./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label32.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_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label32.c -s /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/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 b17d8b704c4d90069798a3313de2551dfcebcaee ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:40:22,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:40:22,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:40:22,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:40:22,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:40:22,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:40:22,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:40:22,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:40:22,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:40:22,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:40:22,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:40:22,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:40:22,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:40:22,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:40:22,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:40:22,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:40:22,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:40:22,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:40:22,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:40:22,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:40:22,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:40:22,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:40:22,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:40:22,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:40:22,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:40:22,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:40:22,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:40:22,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:40:22,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:40:22,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:40:22,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:40:22,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:40:22,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:40:22,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:40:22,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:40:22,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:40:22,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:40:22,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:40:22,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:40:22,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:40:22,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:40:22,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:40:22,937 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:40:22,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:40:22,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:40:22,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:40:22,940 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:40:22,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:40:22,941 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:40:22,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:40:22,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:40:22,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:40:22,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:40:22,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:40:22,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:40:22,944 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:40:22,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:40:22,945 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:40:22,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:40:22,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:40:22,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:40:22,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:40:22,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:40:22,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:40:22,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:40:22,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:40:22,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:40:22,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:40:22,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:40:22,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:40:22,950 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_494ee48e-77ea-4e72-a3c8-3eab22e63540/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 -> b17d8b704c4d90069798a3313de2551dfcebcaee [2019-11-15 22:40:22,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:40:23,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:40:23,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:40:23,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:40:23,012 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:40:23,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label32.c [2019-11-15 22:40:23,121 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/data/e35e70473/46d26f6267164d4d928d377defab510a/FLAG44ebb930b [2019-11-15 22:40:23,820 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:40:23,821 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/sv-benchmarks/c/eca-rers2012/Problem14_label32.c [2019-11-15 22:40:23,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/data/e35e70473/46d26f6267164d4d928d377defab510a/FLAG44ebb930b [2019-11-15 22:40:23,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/data/e35e70473/46d26f6267164d4d928d377defab510a [2019-11-15 22:40:24,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:40:24,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:40:24,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:40:24,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:40:24,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:40:24,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:40:23" (1/1) ... [2019-11-15 22:40:24,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee9f208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:24, skipping insertion in model container [2019-11-15 22:40:24,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:40:23" (1/1) ... [2019-11-15 22:40:24,024 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:40:24,106 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:40:24,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:40:24,857 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:40:25,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:40:25,048 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:40:25,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:25 WrapperNode [2019-11-15 22:40:25,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:40:25,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:40:25,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:40:25,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:40:25,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:25" (1/1) ... [2019-11-15 22:40:25,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:25" (1/1) ... [2019-11-15 22:40:25,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:40:25,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:40:25,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:40:25,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:40:25,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:25" (1/1) ... [2019-11-15 22:40:25,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:25" (1/1) ... [2019-11-15 22:40:25,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:25" (1/1) ... [2019-11-15 22:40:25,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:25" (1/1) ... [2019-11-15 22:40:25,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:25" (1/1) ... [2019-11-15 22:40:25,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:25" (1/1) ... [2019-11-15 22:40:25,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:25" (1/1) ... [2019-11-15 22:40:25,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:40:25,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:40:25,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:40:25,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:40:25,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/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 22:40:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:40:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:40:27,120 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:40:27,121 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 22:40:27,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:40:27 BoogieIcfgContainer [2019-11-15 22:40:27,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:40:27,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:40:27,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:40:27,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:40:27,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:40:23" (1/3) ... [2019-11-15 22:40:27,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df9fb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:40:27, skipping insertion in model container [2019-11-15 22:40:27,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:40:25" (2/3) ... [2019-11-15 22:40:27,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df9fb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:40:27, skipping insertion in model container [2019-11-15 22:40:27,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:40:27" (3/3) ... [2019-11-15 22:40:27,133 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label32.c [2019-11-15 22:40:27,144 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:40:27,153 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:40:27,166 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:40:27,197 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:40:27,198 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:40:27,198 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:40:27,198 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:40:27,198 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:40:27,199 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:40:27,199 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:40:27,199 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:40:27,227 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-15 22:40:27,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-15 22:40:27,239 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:40:27,240 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] [2019-11-15 22:40:27,242 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:40:27,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:40:27,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1246856209, now seen corresponding path program 1 times [2019-11-15 22:40:27,257 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:40:27,258 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873176166] [2019-11-15 22:40:27,258 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:27,258 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:27,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:40:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:27,546 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 22:40:27,547 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873176166] [2019-11-15 22:40:27,548 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:40:27,548 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:40:27,549 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658187140] [2019-11-15 22:40:27,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:40:27,554 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:40:27,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:40:27,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:40:27,570 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-15 22:40:29,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:40:29,830 INFO L93 Difference]: Finished difference Result 866 states and 1574 transitions. [2019-11-15 22:40:29,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:40:29,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2019-11-15 22:40:29,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:40:29,852 INFO L225 Difference]: With dead ends: 866 [2019-11-15 22:40:29,853 INFO L226 Difference]: Without dead ends: 538 [2019-11-15 22:40:29,858 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 22:40:29,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-15 22:40:29,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-15 22:40:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-15 22:40:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 754 transitions. [2019-11-15 22:40:29,962 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 754 transitions. Word has length 55 [2019-11-15 22:40:29,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:40:29,963 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 754 transitions. [2019-11-15 22:40:29,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:40:29,963 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 754 transitions. [2019-11-15 22:40:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-15 22:40:29,979 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:40:29,979 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, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-15 22:40:29,979 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:40:29,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:40:29,980 INFO L82 PathProgramCache]: Analyzing trace with hash 818859818, now seen corresponding path program 1 times [2019-11-15 22:40:29,980 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:40:29,980 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669304136] [2019-11-15 22:40:29,980 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:29,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:29,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:40:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:40:30,493 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669304136] [2019-11-15 22:40:30,493 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:40:30,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:40:30,494 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881574031] [2019-11-15 22:40:30,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:40:30,497 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:40:30,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:40:30,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:40:30,497 INFO L87 Difference]: Start difference. First operand 538 states and 754 transitions. Second operand 6 states. [2019-11-15 22:40:32,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:40:32,526 INFO L93 Difference]: Finished difference Result 1964 states and 2764 transitions. [2019-11-15 22:40:32,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:40:32,526 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2019-11-15 22:40:32,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:40:32,534 INFO L225 Difference]: With dead ends: 1964 [2019-11-15 22:40:32,534 INFO L226 Difference]: Without dead ends: 1428 [2019-11-15 22:40:32,537 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:40:32,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2019-11-15 22:40:32,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2019-11-15 22:40:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-11-15 22:40:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1849 transitions. [2019-11-15 22:40:32,590 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1849 transitions. Word has length 163 [2019-11-15 22:40:32,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:40:32,591 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 1849 transitions. [2019-11-15 22:40:32,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:40:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1849 transitions. [2019-11-15 22:40:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-15 22:40:32,595 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:40:32,596 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:32,596 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:40:32,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:40:32,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1413016218, now seen corresponding path program 1 times [2019-11-15 22:40:32,597 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:40:32,597 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254353216] [2019-11-15 22:40:32,597 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:32,597 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:32,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:40:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-15 22:40:32,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254353216] [2019-11-15 22:40:32,750 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:40:32,750 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:40:32,751 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530084930] [2019-11-15 22:40:32,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:40:32,755 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:40:32,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:40:32,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:40:32,760 INFO L87 Difference]: Start difference. First operand 1428 states and 1849 transitions. Second operand 4 states. [2019-11-15 22:40:34,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:40:34,299 INFO L93 Difference]: Finished difference Result 3922 states and 5314 transitions. [2019-11-15 22:40:34,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:40:34,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 229 [2019-11-15 22:40:34,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:40:34,317 INFO L225 Difference]: With dead ends: 3922 [2019-11-15 22:40:34,317 INFO L226 Difference]: Without dead ends: 2674 [2019-11-15 22:40:34,320 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 22:40:34,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2019-11-15 22:40:34,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2318. [2019-11-15 22:40:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-11-15 22:40:34,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2951 transitions. [2019-11-15 22:40:34,393 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2951 transitions. Word has length 229 [2019-11-15 22:40:34,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:40:34,394 INFO L462 AbstractCegarLoop]: Abstraction has 2318 states and 2951 transitions. [2019-11-15 22:40:34,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:40:34,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2951 transitions. [2019-11-15 22:40:34,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-15 22:40:34,398 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:40:34,398 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:34,398 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:40:34,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:40:34,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1877511677, now seen corresponding path program 1 times [2019-11-15 22:40:34,399 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:40:34,399 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838899020] [2019-11-15 22:40:34,399 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:34,399 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:34,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:40:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 156 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-15 22:40:34,871 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838899020] [2019-11-15 22:40:34,871 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021612840] [2019-11-15 22:40:34,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/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 22:40:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:34,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 22:40:35,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:40:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-15 22:40:35,119 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:40:35,119 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-15 22:40:35,119 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890680465] [2019-11-15 22:40:35,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:40:35,120 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:40:35,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:40:35,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:40:35,121 INFO L87 Difference]: Start difference. First operand 2318 states and 2951 transitions. Second operand 4 states. [2019-11-15 22:40:36,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:40:36,319 INFO L93 Difference]: Finished difference Result 4692 states and 5976 transitions. [2019-11-15 22:40:36,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:40:36,319 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 243 [2019-11-15 22:40:36,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:40:36,335 INFO L225 Difference]: With dead ends: 4692 [2019-11-15 22:40:36,335 INFO L226 Difference]: Without dead ends: 2496 [2019-11-15 22:40:36,339 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 242 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:40:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2019-11-15 22:40:36,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2019-11-15 22:40:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-11-15 22:40:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2545 transitions. [2019-11-15 22:40:36,404 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2545 transitions. Word has length 243 [2019-11-15 22:40:36,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:40:36,404 INFO L462 AbstractCegarLoop]: Abstraction has 2318 states and 2545 transitions. [2019-11-15 22:40:36,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:40:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2545 transitions. [2019-11-15 22:40:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2019-11-15 22:40:36,412 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:40:36,412 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-15 22:40:36,616 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:40:36,617 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:40:36,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:40:36,617 INFO L82 PathProgramCache]: Analyzing trace with hash 213224939, now seen corresponding path program 1 times [2019-11-15 22:40:36,617 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:40:36,617 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461770134] [2019-11-15 22:40:36,617 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:36,617 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:36,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:40:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 282 proven. 65 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-15 22:40:37,343 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461770134] [2019-11-15 22:40:37,344 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028386717] [2019-11-15 22:40:37,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:40:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:37,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:40:37,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:40:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-11-15 22:40:37,565 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:40:37,565 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-15 22:40:37,565 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133008775] [2019-11-15 22:40:37,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:40:37,566 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:40:37,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:40:37,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:40:37,567 INFO L87 Difference]: Start difference. First operand 2318 states and 2545 transitions. Second operand 3 states. [2019-11-15 22:40:38,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:40:38,224 INFO L93 Difference]: Finished difference Result 4456 states and 4909 transitions. [2019-11-15 22:40:38,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:40:38,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 338 [2019-11-15 22:40:38,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:40:38,238 INFO L225 Difference]: With dead ends: 4456 [2019-11-15 22:40:38,239 INFO L226 Difference]: Without dead ends: 2318 [2019-11-15 22:40:38,242 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 337 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:40:38,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2019-11-15 22:40:38,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2019-11-15 22:40:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-11-15 22:40:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2514 transitions. [2019-11-15 22:40:38,299 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2514 transitions. Word has length 338 [2019-11-15 22:40:38,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:40:38,300 INFO L462 AbstractCegarLoop]: Abstraction has 2318 states and 2514 transitions. [2019-11-15 22:40:38,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:40:38,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2514 transitions. [2019-11-15 22:40:38,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-11-15 22:40:38,308 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:40:38,309 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-15 22:40:38,512 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:40:38,513 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:40:38,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:40:38,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1499893231, now seen corresponding path program 1 times [2019-11-15 22:40:38,513 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:40:38,513 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665894755] [2019-11-15 22:40:38,513 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:38,514 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:38,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:40:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 343 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-15 22:40:39,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665894755] [2019-11-15 22:40:39,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790722074] [2019-11-15 22:40:39,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:40:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:39,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:40:39,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:40:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-11-15 22:40:39,403 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:40:39,404 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-15 22:40:39,404 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073429214] [2019-11-15 22:40:39,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:40:39,405 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:40:39,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:40:39,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:40:39,406 INFO L87 Difference]: Start difference. First operand 2318 states and 2514 transitions. Second operand 3 states. [2019-11-15 22:40:40,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:40:40,017 INFO L93 Difference]: Finished difference Result 4634 states and 5050 transitions. [2019-11-15 22:40:40,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:40:40,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2019-11-15 22:40:40,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:40:40,034 INFO L225 Difference]: With dead ends: 4634 [2019-11-15 22:40:40,035 INFO L226 Difference]: Without dead ends: 2496 [2019-11-15 22:40:40,038 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:40:40,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2019-11-15 22:40:40,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2140. [2019-11-15 22:40:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2019-11-15 22:40:40,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2314 transitions. [2019-11-15 22:40:40,089 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2314 transitions. Word has length 359 [2019-11-15 22:40:40,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:40:40,090 INFO L462 AbstractCegarLoop]: Abstraction has 2140 states and 2314 transitions. [2019-11-15 22:40:40,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:40:40,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2314 transitions. [2019-11-15 22:40:40,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2019-11-15 22:40:40,101 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:40:40,101 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:40:40,305 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:40:40,305 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:40:40,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:40:40,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1717268069, now seen corresponding path program 1 times [2019-11-15 22:40:40,306 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:40:40,307 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829747514] [2019-11-15 22:40:40,307 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:40,307 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:40,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:40:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:41,069 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 420 proven. 65 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-11-15 22:40:41,069 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829747514] [2019-11-15 22:40:41,069 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803552700] [2019-11-15 22:40:41,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:40:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:41,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-15 22:40:41,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:40:41,410 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 380 proven. 39 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-11-15 22:40:41,411 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:40:41,412 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2019-11-15 22:40:41,412 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986537264] [2019-11-15 22:40:41,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 22:40:41,414 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:40:41,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 22:40:41,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:40:41,415 INFO L87 Difference]: Start difference. First operand 2140 states and 2314 transitions. Second operand 10 states. [2019-11-15 22:40:44,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:40:44,962 INFO L93 Difference]: Finished difference Result 5575 states and 6053 transitions. [2019-11-15 22:40:44,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 22:40:44,962 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 408 [2019-11-15 22:40:44,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:40:44,981 INFO L225 Difference]: With dead ends: 5575 [2019-11-15 22:40:44,981 INFO L226 Difference]: Without dead ends: 2861 [2019-11-15 22:40:44,985 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 415 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2019-11-15 22:40:44,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2861 states. [2019-11-15 22:40:45,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2861 to 2496. [2019-11-15 22:40:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2019-11-15 22:40:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2687 transitions. [2019-11-15 22:40:45,037 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2687 transitions. Word has length 408 [2019-11-15 22:40:45,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:40:45,038 INFO L462 AbstractCegarLoop]: Abstraction has 2496 states and 2687 transitions. [2019-11-15 22:40:45,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 22:40:45,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2687 transitions. [2019-11-15 22:40:45,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2019-11-15 22:40:45,047 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:40:45,047 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 22:40:45,255 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:40:45,255 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:40:45,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:40:45,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1689769193, now seen corresponding path program 1 times [2019-11-15 22:40:45,256 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:40:45,256 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013977811] [2019-11-15 22:40:45,256 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:45,256 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:45,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:40:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:45,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 1193 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-11-15 22:40:45,978 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013977811] [2019-11-15 22:40:45,979 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:40:45,979 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:40:45,979 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619475724] [2019-11-15 22:40:45,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:40:45,981 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:40:45,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:40:45,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:40:45,982 INFO L87 Difference]: Start difference. First operand 2496 states and 2687 transitions. Second operand 4 states. [2019-11-15 22:40:46,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:40:46,988 INFO L93 Difference]: Finished difference Result 6236 states and 6755 transitions. [2019-11-15 22:40:46,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:40:46,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 750 [2019-11-15 22:40:46,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:40:47,012 INFO L225 Difference]: With dead ends: 6236 [2019-11-15 22:40:47,013 INFO L226 Difference]: Without dead ends: 3920 [2019-11-15 22:40:47,017 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 22:40:47,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2019-11-15 22:40:47,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3742. [2019-11-15 22:40:47,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2019-11-15 22:40:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 3990 transitions. [2019-11-15 22:40:47,106 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 3990 transitions. Word has length 750 [2019-11-15 22:40:47,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:40:47,107 INFO L462 AbstractCegarLoop]: Abstraction has 3742 states and 3990 transitions. [2019-11-15 22:40:47,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:40:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 3990 transitions. [2019-11-15 22:40:47,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 964 [2019-11-15 22:40:47,124 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:40:47,127 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:40:47,127 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:40:47,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:40:47,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1647123312, now seen corresponding path program 1 times [2019-11-15 22:40:47,129 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:40:47,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300743112] [2019-11-15 22:40:47,129 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:47,130 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:47,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:40:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2578 backedges. 1790 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2019-11-15 22:40:49,361 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300743112] [2019-11-15 22:40:49,361 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:40:49,361 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:40:49,362 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311493747] [2019-11-15 22:40:49,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:40:49,387 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:40:49,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:40:49,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:40:49,388 INFO L87 Difference]: Start difference. First operand 3742 states and 3990 transitions. Second operand 6 states. [2019-11-15 22:40:50,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:40:50,681 INFO L93 Difference]: Finished difference Result 8215 states and 8732 transitions. [2019-11-15 22:40:50,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:40:50,682 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 963 [2019-11-15 22:40:50,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:40:50,708 INFO L225 Difference]: With dead ends: 8215 [2019-11-15 22:40:50,708 INFO L226 Difference]: Without dead ends: 4653 [2019-11-15 22:40:50,713 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:40:50,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4653 states. [2019-11-15 22:40:50,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4653 to 3742. [2019-11-15 22:40:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2019-11-15 22:40:50,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 3990 transitions. [2019-11-15 22:40:50,824 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 3990 transitions. Word has length 963 [2019-11-15 22:40:50,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:40:50,825 INFO L462 AbstractCegarLoop]: Abstraction has 3742 states and 3990 transitions. [2019-11-15 22:40:50,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:40:50,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 3990 transitions. [2019-11-15 22:40:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 971 [2019-11-15 22:40:50,841 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:40:50,843 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:40:50,843 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:40:50,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:40:50,844 INFO L82 PathProgramCache]: Analyzing trace with hash -375242345, now seen corresponding path program 1 times [2019-11-15 22:40:50,844 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:40:50,845 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212325052] [2019-11-15 22:40:50,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:50,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:50,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:40:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2599 backedges. 1811 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2019-11-15 22:40:53,094 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212325052] [2019-11-15 22:40:53,094 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:40:53,094 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:40:53,094 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725748410] [2019-11-15 22:40:53,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:40:53,095 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:40:53,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:40:53,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:40:53,096 INFO L87 Difference]: Start difference. First operand 3742 states and 3990 transitions. Second operand 7 states. [2019-11-15 22:40:54,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:40:54,133 INFO L93 Difference]: Finished difference Result 8197 states and 8710 transitions. [2019-11-15 22:40:54,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:40:54,133 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 970 [2019-11-15 22:40:54,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:40:54,154 INFO L225 Difference]: With dead ends: 8197 [2019-11-15 22:40:54,154 INFO L226 Difference]: Without dead ends: 4457 [2019-11-15 22:40:54,159 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:40:54,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4457 states. [2019-11-15 22:40:54,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4457 to 3920. [2019-11-15 22:40:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2019-11-15 22:40:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4170 transitions. [2019-11-15 22:40:54,242 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4170 transitions. Word has length 970 [2019-11-15 22:40:54,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:40:54,244 INFO L462 AbstractCegarLoop]: Abstraction has 3920 states and 4170 transitions. [2019-11-15 22:40:54,244 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:40:54,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4170 transitions. [2019-11-15 22:40:54,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1039 [2019-11-15 22:40:54,262 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:40:54,263 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2019-11-15 22:40:54,263 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:40:54,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:40:54,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1361968991, now seen corresponding path program 1 times [2019-11-15 22:40:54,264 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:40:54,265 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343752790] [2019-11-15 22:40:54,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:54,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:40:54,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:40:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 1143 proven. 617 refuted. 0 times theorem prover too weak. 1168 trivial. 0 not checked. [2019-11-15 22:40:56,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343752790] [2019-11-15 22:40:56,695 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952147889] [2019-11-15 22:40:56,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:40:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:40:56,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:40:56,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:40:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 2558 trivial. 0 not checked. [2019-11-15 22:40:57,499 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:40:57,500 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-15 22:40:57,500 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392886745] [2019-11-15 22:40:57,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:40:57,501 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:40:57,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:40:57,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:40:57,502 INFO L87 Difference]: Start difference. First operand 3920 states and 4170 transitions. Second operand 3 states. [2019-11-15 22:40:58,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:40:58,095 INFO L93 Difference]: Finished difference Result 4454 states and 4735 transitions. [2019-11-15 22:40:58,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:40:58,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1038 [2019-11-15 22:40:58,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:40:58,097 INFO L225 Difference]: With dead ends: 4454 [2019-11-15 22:40:58,097 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:40:58,100 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1042 GetRequests, 1037 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:40:58,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:40:58,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:40:58,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:40:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:40:58,101 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1038 [2019-11-15 22:40:58,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:40:58,101 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:40:58,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:40:58,102 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:40:58,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:40:58,305 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:40:58,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 22:40:58,510 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 105 [2019-11-15 22:40:58,888 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 33 [2019-11-15 22:40:59,234 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 33 [2019-11-15 22:40:59,237 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-15 22:40:59,237 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,238 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,239 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,239 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-15 22:40:59,239 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-15 22:40:59,239 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-15 22:40:59,239 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-15 22:40:59,239 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-15 22:40:59,239 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-15 22:40:59,239 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-15 22:40:59,239 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-15 22:40:59,239 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,240 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,240 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,240 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-15 22:40:59,240 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-15 22:40:59,240 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-15 22:40:59,240 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-15 22:40:59,240 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-15 22:40:59,240 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-15 22:40:59,240 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2019-11-15 22:40:59,240 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-15 22:40:59,241 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-15 22:40:59,241 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-15 22:40:59,241 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,241 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,241 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,241 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-15 22:40:59,241 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-15 22:40:59,241 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-15 22:40:59,241 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-15 22:40:59,241 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-15 22:40:59,242 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-15 22:40:59,242 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-15 22:40:59,242 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,242 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,242 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,242 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-15 22:40:59,242 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-15 22:40:59,242 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-15 22:40:59,242 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-15 22:40:59,242 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-15 22:40:59,243 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-15 22:40:59,243 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-15 22:40:59,243 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-15 22:40:59,243 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-15 22:40:59,243 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,243 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,243 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,243 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-15 22:40:59,243 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-15 22:40:59,243 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-15 22:40:59,243 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-15 22:40:59,243 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-15 22:40:59,244 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-15 22:40:59,244 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-15 22:40:59,244 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-15 22:40:59,244 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,244 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,244 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,244 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-15 22:40:59,244 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-15 22:40:59,244 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-15 22:40:59,244 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-15 22:40:59,244 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-15 22:40:59,244 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-15 22:40:59,245 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-15 22:40:59,246 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,247 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,247 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,247 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-15 22:40:59,247 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-15 22:40:59,247 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-15 22:40:59,247 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-15 22:40:59,247 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-15 22:40:59,247 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-15 22:40:59,247 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 22:40:59,247 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-15 22:40:59,248 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-15 22:40:59,248 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,248 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,248 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,248 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-15 22:40:59,248 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-15 22:40:59,248 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-15 22:40:59,249 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-15 22:40:59,249 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-15 22:40:59,249 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-15 22:40:59,249 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-15 22:40:59,249 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-15 22:40:59,249 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,249 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,249 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,249 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-15 22:40:59,250 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-15 22:40:59,250 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-15 22:40:59,250 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-15 22:40:59,250 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-15 22:40:59,250 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-15 22:40:59,251 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-15 22:40:59,251 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-15 22:40:59,251 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,251 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,251 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-15 22:40:59,251 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-15 22:40:59,252 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-15 22:40:59,252 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-15 22:40:59,252 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-15 22:40:59,252 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-15 22:40:59,252 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-15 22:40:59,252 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-15 22:40:59,253 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,253 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,253 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-15 22:40:59,253 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-15 22:40:59,253 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-15 22:40:59,253 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-15 22:40:59,254 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-15 22:40:59,254 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-15 22:40:59,254 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,254 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,255 INFO L439 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1))) (let ((.cse2 (not (= ~a21~0 9))) (.cse1 (let ((.cse3 (<= ~a15~0 5))) (or (and .cse3 (<= (+ ~a12~0 49) 0)) (and .cse0 .cse3))))) (or (and .cse0 (or (<= ~a12~0 11) (< 80 ~a12~0))) (and .cse0 .cse1) (and .cse2 .cse0) (and (<= 7 ~a15~0) .cse0 (<= ~a15~0 8)) (and .cse2 .cse1)))) [2019-11-15 22:40:59,255 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-15 22:40:59,255 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-15 22:40:59,255 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-15 22:40:59,255 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-15 22:40:59,256 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-15 22:40:59,256 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-15 22:40:59,256 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-15 22:40:59,256 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-15 22:40:59,256 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,256 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,257 INFO L446 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-15 22:40:59,257 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-15 22:40:59,257 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-15 22:40:59,257 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-15 22:40:59,257 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-15 22:40:59,257 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-15 22:40:59,258 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-15 22:40:59,259 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-15 22:40:59,259 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,259 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,259 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-15 22:40:59,259 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-15 22:40:59,259 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-15 22:40:59,260 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-15 22:40:59,260 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 22:40:59,260 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-15 22:40:59,260 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-15 22:40:59,260 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,260 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,261 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-15 22:40:59,261 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,261 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-15 22:40:59,261 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1))) (let ((.cse2 (not (= ~a21~0 9))) (.cse1 (let ((.cse3 (<= ~a15~0 5))) (or (and .cse3 (<= (+ ~a12~0 49) 0)) (and .cse0 .cse3))))) (or (and .cse0 (or (<= ~a12~0 11) (< 80 ~a12~0))) (and .cse0 .cse1) (and .cse2 .cse0) (and (<= 7 ~a15~0) .cse0 (<= ~a15~0 8)) (and .cse2 .cse1)))) [2019-11-15 22:40:59,261 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-15 22:40:59,262 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-15 22:40:59,262 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-15 22:40:59,262 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-15 22:40:59,262 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-15 22:40:59,262 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-15 22:40:59,262 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-15 22:40:59,262 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-15 22:40:59,263 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-15 22:40:59,263 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,263 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,263 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,263 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-15 22:40:59,263 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-15 22:40:59,264 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-15 22:40:59,264 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-15 22:40:59,264 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-15 22:40:59,264 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-15 22:40:59,264 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-15 22:40:59,264 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-15 22:40:59,264 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-15 22:40:59,264 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,264 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,264 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-15 22:40:59,265 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-15 22:40:59,266 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-15 22:40:59,267 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-15 22:40:59,267 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-15 22:40:59,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:40:59 BoogieIcfgContainer [2019-11-15 22:40:59,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:40:59,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:40:59,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:40:59,289 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:40:59,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:40:27" (3/4) ... [2019-11-15 22:40:59,294 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:40:59,321 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 22:40:59,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 22:40:59,544 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_494ee48e-77ea-4e72-a3c8-3eab22e63540/bin/uautomizer/witness.graphml [2019-11-15 22:40:59,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:40:59,546 INFO L168 Benchmark]: Toolchain (without parser) took 35543.78 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2019-11-15 22:40:59,546 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:40:59,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1045.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:40:59,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.04 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:40:59,548 INFO L168 Benchmark]: Boogie Preprocessor took 135.73 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:40:59,548 INFO L168 Benchmark]: RCFGBuilder took 1805.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.7 MB in the end (delta: 125.2 MB). Peak memory consumption was 125.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:40:59,549 INFO L168 Benchmark]: TraceAbstraction took 32164.03 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 982.7 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2019-11-15 22:40:59,549 INFO L168 Benchmark]: Witness Printer took 255.87 ms. Allocated memory is still 2.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:40:59,552 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1045.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 132.04 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 135.73 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1805.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.7 MB in the end (delta: 125.2 MB). Peak memory consumption was 125.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32164.03 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 982.7 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 255.87 ms. Allocated memory is still 2.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: 880]: Loop Invariant Derived loop invariant: ((((a24 == 1 && (a12 <= 11 || 80 < a12)) || (a24 == 1 && ((a15 <= 5 && a12 + 49 <= 0) || (a24 == 1 && a15 <= 5)))) || (!(a21 == 9) && a24 == 1)) || ((7 <= a15 && a24 == 1) && a15 <= 8)) || (!(a21 == 9) && ((a15 <= 5 && a12 + 49 <= 0) || (a24 == 1 && a15 <= 5))) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a24 == 1 && (a12 <= 11 || 80 < a12)) || (a24 == 1 && ((a15 <= 5 && a12 + 49 <= 0) || (a24 == 1 && a15 <= 5)))) || (!(a21 == 9) && a24 == 1)) || ((7 <= a15 && a24 == 1) && a15 <= 8)) || (!(a21 == 9) && ((a15 <= 5 && a12 + 49 <= 0) || (a24 == 1 && a15 <= 5))) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 32.0s, OverallIterations: 11, TraceHistogramMax: 8, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, HoareTripleCheckerStatistics: 833 SDtfs, 5074 SDslu, 161 SDs, 0 SdLazy, 11030 SolverSat, 1237 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2462 GetRequests, 2396 SyntacticMatches, 5 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3920occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 2881 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 74 NumberOfFragments, 147 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3754 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4130 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 7902 NumberOfCodeBlocks, 7902 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 7886 ConstructedInterpolants, 0 QuantifiedInterpolants, 24403440 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2997 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 15433/16227 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...