./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label19.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/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 afc12bc69e705b75a7b12a06ad7a3fcc3e70b0b1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:07:28,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:07:28,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:07:28,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:07:28,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:07:28,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:07:28,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:07:28,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:07:28,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:07:28,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:07:28,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:07:28,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:07:28,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:07:28,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:07:28,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:07:28,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:07:28,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:07:28,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:07:28,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:07:28,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:07:28,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:07:28,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:07:28,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:07:28,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:07:28,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:07:28,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:07:28,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:07:28,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:07:28,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:07:28,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:07:28,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:07:28,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:07:28,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:07:28,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:07:28,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:07:28,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:07:28,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:07:28,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:07:28,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:07:28,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:07:28,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:07:28,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 10:07:28,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:07:28,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:07:28,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:07:28,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:07:28,899 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:07:28,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:07:28,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:07:28,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:07:28,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:07:28,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:07:28,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:07:28,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:07:28,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:07:28,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:07:28,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:07:28,900 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:07:28,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:07:28,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:07:28,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:07:28,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:07:28,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:07:28,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:07:28,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:07:28,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:07:28,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:07:28,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:07:28,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:07:28,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:07:28,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:07:28,901 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_3978775f-8626-4c53-85c0-7d4a556fa9d3/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 -> afc12bc69e705b75a7b12a06ad7a3fcc3e70b0b1 [2019-12-07 10:07:29,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:07:29,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:07:29,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:07:29,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:07:29,018 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:07:29,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label19.c [2019-12-07 10:07:29,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/data/c76d2d235/31ec80220a9447fb89f8d721c27ae897/FLAGa6771e525 [2019-12-07 10:07:29,471 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:07:29,471 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/sv-benchmarks/c/eca-rers2012/Problem11_label19.c [2019-12-07 10:07:29,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/data/c76d2d235/31ec80220a9447fb89f8d721c27ae897/FLAGa6771e525 [2019-12-07 10:07:29,490 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/data/c76d2d235/31ec80220a9447fb89f8d721c27ae897 [2019-12-07 10:07:29,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:07:29,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:07:29,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:07:29,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:07:29,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:07:29,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:29" (1/1) ... [2019-12-07 10:07:29,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d50c974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29, skipping insertion in model container [2019-12-07 10:07:29,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:29" (1/1) ... [2019-12-07 10:07:29,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:07:29,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:07:29,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:07:29,841 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:07:29,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:07:29,938 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:07:29,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29 WrapperNode [2019-12-07 10:07:29,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:07:29,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:07:29,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:07:29,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:07:29,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29" (1/1) ... [2019-12-07 10:07:29,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29" (1/1) ... [2019-12-07 10:07:30,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:07:30,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:07:30,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:07:30,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:07:30,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29" (1/1) ... [2019-12-07 10:07:30,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29" (1/1) ... [2019-12-07 10:07:30,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29" (1/1) ... [2019-12-07 10:07:30,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29" (1/1) ... [2019-12-07 10:07:30,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29" (1/1) ... [2019-12-07 10:07:30,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29" (1/1) ... [2019-12-07 10:07:30,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29" (1/1) ... [2019-12-07 10:07:30,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:07:30,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:07:30,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:07:30,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:07:30,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/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 [2019-12-07 10:07:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:07:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:07:31,191 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:07:31,191 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 10:07:31,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:31 BoogieIcfgContainer [2019-12-07 10:07:31,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:07:31,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:07:31,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:07:31,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:07:31,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:07:29" (1/3) ... [2019-12-07 10:07:31,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d385f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:07:31, skipping insertion in model container [2019-12-07 10:07:31,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:29" (2/3) ... [2019-12-07 10:07:31,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d385f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:07:31, skipping insertion in model container [2019-12-07 10:07:31,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:31" (3/3) ... [2019-12-07 10:07:31,199 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label19.c [2019-12-07 10:07:31,205 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:07:31,211 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:07:31,219 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:07:31,238 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:07:31,238 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:07:31,238 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:07:31,238 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:07:31,238 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:07:31,238 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:07:31,239 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:07:31,239 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:07:31,255 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2019-12-07 10:07:31,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 10:07:31,260 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:07:31,261 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:07:31,261 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:07:31,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:31,265 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2019-12-07 10:07:31,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:31,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68103420] [2019-12-07 10:07:31,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:07:31,497 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68103420] [2019-12-07 10:07:31,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:07:31,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:07:31,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600902905] [2019-12-07 10:07:31,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:07:31,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:07:31,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:07:31,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:07:31,516 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 4 states. [2019-12-07 10:07:32,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:07:32,671 INFO L93 Difference]: Finished difference Result 960 states and 1739 transitions. [2019-12-07 10:07:32,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:07:32,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2019-12-07 10:07:32,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:07:32,685 INFO L225 Difference]: With dead ends: 960 [2019-12-07 10:07:32,686 INFO L226 Difference]: Without dead ends: 610 [2019-12-07 10:07:32,689 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:07:32,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2019-12-07 10:07:32,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 595. [2019-12-07 10:07:32,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2019-12-07 10:07:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 904 transitions. [2019-12-07 10:07:32,743 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 904 transitions. Word has length 56 [2019-12-07 10:07:32,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:07:32,743 INFO L462 AbstractCegarLoop]: Abstraction has 595 states and 904 transitions. [2019-12-07 10:07:32,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:07:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 904 transitions. [2019-12-07 10:07:32,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-07 10:07:32,748 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:07:32,748 INFO L410 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, 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] [2019-12-07 10:07:32,748 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:07:32,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:32,748 INFO L82 PathProgramCache]: Analyzing trace with hash 217134498, now seen corresponding path program 1 times [2019-12-07 10:07:32,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:32,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82460788] [2019-12-07 10:07:32,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:07:33,076 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82460788] [2019-12-07 10:07:33,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:07:33,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 10:07:33,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495025892] [2019-12-07 10:07:33,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 10:07:33,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:07:33,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 10:07:33,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:07:33,078 INFO L87 Difference]: Start difference. First operand 595 states and 904 transitions. Second operand 7 states. [2019-12-07 10:07:34,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:07:34,807 INFO L93 Difference]: Finished difference Result 1929 states and 2898 transitions. [2019-12-07 10:07:34,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:07:34,807 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 129 [2019-12-07 10:07:34,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:07:34,813 INFO L225 Difference]: With dead ends: 1929 [2019-12-07 10:07:34,813 INFO L226 Difference]: Without dead ends: 1336 [2019-12-07 10:07:34,815 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:07:34,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2019-12-07 10:07:34,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1334. [2019-12-07 10:07:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1334 states. [2019-12-07 10:07:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1721 transitions. [2019-12-07 10:07:34,841 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1721 transitions. Word has length 129 [2019-12-07 10:07:34,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:07:34,841 INFO L462 AbstractCegarLoop]: Abstraction has 1334 states and 1721 transitions. [2019-12-07 10:07:34,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 10:07:34,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1721 transitions. [2019-12-07 10:07:34,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-07 10:07:34,844 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:07:34,845 INFO L410 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:07:34,845 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:07:34,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:34,845 INFO L82 PathProgramCache]: Analyzing trace with hash 814485289, now seen corresponding path program 1 times [2019-12-07 10:07:34,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:34,845 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34341677] [2019-12-07 10:07:34,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-12-07 10:07:34,982 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34341677] [2019-12-07 10:07:34,982 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119484384] [2019-12-07 10:07:34,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/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 [2019-12-07 10:07:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:35,042 INFO L264 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:07:35,050 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:07:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-12-07 10:07:35,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 10:07:35,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2019-12-07 10:07:35,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342071728] [2019-12-07 10:07:35,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:07:35,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:07:35,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:07:35,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:07:35,102 INFO L87 Difference]: Start difference. First operand 1334 states and 1721 transitions. Second operand 3 states. [2019-12-07 10:07:35,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:07:35,771 INFO L93 Difference]: Finished difference Result 3227 states and 4329 transitions. [2019-12-07 10:07:35,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:07:35,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-12-07 10:07:35,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:07:35,783 INFO L225 Difference]: With dead ends: 3227 [2019-12-07 10:07:35,783 INFO L226 Difference]: Without dead ends: 2079 [2019-12-07 10:07:35,785 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:07:35,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2019-12-07 10:07:35,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 1895. [2019-12-07 10:07:35,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1895 states. [2019-12-07 10:07:35,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2368 transitions. [2019-12-07 10:07:35,823 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2368 transitions. Word has length 199 [2019-12-07 10:07:35,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:07:35,824 INFO L462 AbstractCegarLoop]: Abstraction has 1895 states and 2368 transitions. [2019-12-07 10:07:35,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:07:35,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2368 transitions. [2019-12-07 10:07:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-12-07 10:07:35,827 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:07:35,828 INFO L410 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:07:36,028 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:07:36,029 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:07:36,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:36,029 INFO L82 PathProgramCache]: Analyzing trace with hash -293129306, now seen corresponding path program 1 times [2019-12-07 10:07:36,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:36,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793248384] [2019-12-07 10:07:36,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:07:36,156 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793248384] [2019-12-07 10:07:36,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:07:36,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:07:36,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208987163] [2019-12-07 10:07:36,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:07:36,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:07:36,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:07:36,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:07:36,158 INFO L87 Difference]: Start difference. First operand 1895 states and 2368 transitions. Second operand 4 states. [2019-12-07 10:07:37,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:07:37,356 INFO L93 Difference]: Finished difference Result 5091 states and 6464 transitions. [2019-12-07 10:07:37,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:07:37,356 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 236 [2019-12-07 10:07:37,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:07:37,369 INFO L225 Difference]: With dead ends: 5091 [2019-12-07 10:07:37,369 INFO L226 Difference]: Without dead ends: 3382 [2019-12-07 10:07:37,371 INFO L630 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 [2019-12-07 10:07:37,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3382 states. [2019-12-07 10:07:37,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3382 to 3184. [2019-12-07 10:07:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2019-12-07 10:07:37,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 3921 transitions. [2019-12-07 10:07:37,414 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 3921 transitions. Word has length 236 [2019-12-07 10:07:37,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:07:37,415 INFO L462 AbstractCegarLoop]: Abstraction has 3184 states and 3921 transitions. [2019-12-07 10:07:37,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:07:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 3921 transitions. [2019-12-07 10:07:37,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-12-07 10:07:37,417 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:07:37,417 INFO L410 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:07:37,417 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:07:37,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:37,418 INFO L82 PathProgramCache]: Analyzing trace with hash -814689872, now seen corresponding path program 1 times [2019-12-07 10:07:37,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:37,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829312176] [2019-12-07 10:07:37,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:37,659 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 65 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:07:37,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829312176] [2019-12-07 10:07:37,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195759349] [2019-12-07 10:07:37,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/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 [2019-12-07 10:07:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:37,716 INFO L264 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 10:07:37,722 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:07:37,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:37,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:37,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:37,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:37,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:37,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:37,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:37,774 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:37,774 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:37,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 10:07:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 79 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:07:38,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:07:38,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2019-12-07 10:07:38,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371561585] [2019-12-07 10:07:38,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 10:07:38,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:07:38,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 10:07:38,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2019-12-07 10:07:38,095 INFO L87 Difference]: Start difference. First operand 3184 states and 3921 transitions. Second operand 13 states. [2019-12-07 10:07:50,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:07:50,543 INFO L93 Difference]: Finished difference Result 19848 states and 26983 transitions. [2019-12-07 10:07:50,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2019-12-07 10:07:50,543 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 237 [2019-12-07 10:07:50,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:07:50,596 INFO L225 Difference]: With dead ends: 19848 [2019-12-07 10:07:50,596 INFO L226 Difference]: Without dead ends: 16666 [2019-12-07 10:07:50,600 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1187 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=764, Invalid=2658, Unknown=0, NotChecked=0, Total=3422 [2019-12-07 10:07:50,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16666 states. [2019-12-07 10:07:50,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16666 to 8882. [2019-12-07 10:07:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8882 states. [2019-12-07 10:07:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8882 states to 8882 states and 10377 transitions. [2019-12-07 10:07:50,743 INFO L78 Accepts]: Start accepts. Automaton has 8882 states and 10377 transitions. Word has length 237 [2019-12-07 10:07:50,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:07:50,744 INFO L462 AbstractCegarLoop]: Abstraction has 8882 states and 10377 transitions. [2019-12-07 10:07:50,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 10:07:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 8882 states and 10377 transitions. [2019-12-07 10:07:50,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-12-07 10:07:50,752 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:07:50,753 INFO L410 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:07:50,953 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:07:50,953 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:07:50,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:50,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1537666383, now seen corresponding path program 1 times [2019-12-07 10:07:50,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:50,954 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701009425] [2019-12-07 10:07:50,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 208 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:07:51,179 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701009425] [2019-12-07 10:07:51,180 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208589660] [2019-12-07 10:07:51,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/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 [2019-12-07 10:07:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:51,264 INFO L264 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 10:07:51,270 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:07:51,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:51,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-12-07 10:07:51,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 10:07:51,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2019-12-07 10:07:51,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831762748] [2019-12-07 10:07:51,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:07:51,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:07:51,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:07:51,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:07:51,362 INFO L87 Difference]: Start difference. First operand 8882 states and 10377 transitions. Second operand 4 states. [2019-12-07 10:07:52,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:07:52,520 INFO L93 Difference]: Finished difference Result 20530 states and 23903 transitions. [2019-12-07 10:07:52,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:07:52,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 350 [2019-12-07 10:07:52,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:07:52,550 INFO L225 Difference]: With dead ends: 20530 [2019-12-07 10:07:52,551 INFO L226 Difference]: Without dead ends: 11650 [2019-12-07 10:07:52,556 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 349 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:07:52,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11650 states. [2019-12-07 10:07:52,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11650 to 10910. [2019-12-07 10:07:52,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10910 states. [2019-12-07 10:07:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10910 states to 10910 states and 12508 transitions. [2019-12-07 10:07:52,655 INFO L78 Accepts]: Start accepts. Automaton has 10910 states and 12508 transitions. Word has length 350 [2019-12-07 10:07:52,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:07:52,655 INFO L462 AbstractCegarLoop]: Abstraction has 10910 states and 12508 transitions. [2019-12-07 10:07:52,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:07:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 10910 states and 12508 transitions. [2019-12-07 10:07:52,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2019-12-07 10:07:52,668 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:07:52,668 INFO L410 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 10:07:52,869 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:07:52,869 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:07:52,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:52,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1612149945, now seen corresponding path program 1 times [2019-12-07 10:07:52,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:52,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116384737] [2019-12-07 10:07:52,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 310 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2019-12-07 10:07:53,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116384737] [2019-12-07 10:07:53,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380415858] [2019-12-07 10:07:53,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/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 [2019-12-07 10:07:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:53,201 INFO L264 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:07:53,205 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:07:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-12-07 10:07:53,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 10:07:53,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2019-12-07 10:07:53,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209319116] [2019-12-07 10:07:53,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:07:53,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:07:53,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:07:53,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:07:53,295 INFO L87 Difference]: Start difference. First operand 10910 states and 12508 transitions. Second operand 3 states. [2019-12-07 10:07:53,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:07:53,942 INFO L93 Difference]: Finished difference Result 24232 states and 28185 transitions. [2019-12-07 10:07:53,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:07:53,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 393 [2019-12-07 10:07:53,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:07:53,958 INFO L225 Difference]: With dead ends: 24232 [2019-12-07 10:07:53,958 INFO L226 Difference]: Without dead ends: 13878 [2019-12-07 10:07:53,965 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:07:53,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13878 states. [2019-12-07 10:07:54,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13878 to 13874. [2019-12-07 10:07:54,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13874 states. [2019-12-07 10:07:54,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13874 states to 13874 states and 15906 transitions. [2019-12-07 10:07:54,081 INFO L78 Accepts]: Start accepts. Automaton has 13874 states and 15906 transitions. Word has length 393 [2019-12-07 10:07:54,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:07:54,082 INFO L462 AbstractCegarLoop]: Abstraction has 13874 states and 15906 transitions. [2019-12-07 10:07:54,082 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:07:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 13874 states and 15906 transitions. [2019-12-07 10:07:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2019-12-07 10:07:54,090 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:07:54,091 INFO L410 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, 4, 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, 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] [2019-12-07 10:07:54,291 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:07:54,292 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:07:54,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:54,292 INFO L82 PathProgramCache]: Analyzing trace with hash 640525611, now seen corresponding path program 1 times [2019-12-07 10:07:54,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:54,293 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824318409] [2019-12-07 10:07:54,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 418 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:07:54,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824318409] [2019-12-07 10:07:54,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143878557] [2019-12-07 10:07:54,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/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 [2019-12-07 10:07:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:54,688 INFO L264 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 10:07:54,692 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:07:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2019-12-07 10:07:54,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 10:07:54,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-12-07 10:07:54,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555553758] [2019-12-07 10:07:54,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:07:54,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:07:54,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:07:54,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:07:54,806 INFO L87 Difference]: Start difference. First operand 13874 states and 15906 transitions. Second operand 3 states. [2019-12-07 10:07:55,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:07:55,492 INFO L93 Difference]: Finished difference Result 28316 states and 32571 transitions. [2019-12-07 10:07:55,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:07:55,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 416 [2019-12-07 10:07:55,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:07:55,511 INFO L225 Difference]: With dead ends: 28316 [2019-12-07 10:07:55,511 INFO L226 Difference]: Without dead ends: 14998 [2019-12-07 10:07:55,519 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:07:55,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14998 states. [2019-12-07 10:07:55,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14998 to 14253. [2019-12-07 10:07:55,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14253 states. [2019-12-07 10:07:55,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14253 states to 14253 states and 16146 transitions. [2019-12-07 10:07:55,644 INFO L78 Accepts]: Start accepts. Automaton has 14253 states and 16146 transitions. Word has length 416 [2019-12-07 10:07:55,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:07:55,645 INFO L462 AbstractCegarLoop]: Abstraction has 14253 states and 16146 transitions. [2019-12-07 10:07:55,645 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:07:55,645 INFO L276 IsEmpty]: Start isEmpty. Operand 14253 states and 16146 transitions. [2019-12-07 10:07:55,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-07 10:07:55,654 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:07:55,654 INFO L410 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, 5, 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, 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] [2019-12-07 10:07:55,855 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:07:55,855 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:07:55,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:55,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1735842170, now seen corresponding path program 1 times [2019-12-07 10:07:55,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:55,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095913080] [2019-12-07 10:07:55,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 354 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:07:56,191 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095913080] [2019-12-07 10:07:56,191 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656410971] [2019-12-07 10:07:56,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:07:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:56,280 INFO L264 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 10:07:56,283 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:07:56,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:56,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 420 proven. 78 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-12-07 10:07:56,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:07:56,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3] total 9 [2019-12-07 10:07:56,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928652205] [2019-12-07 10:07:56,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 10:07:56,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:07:56,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 10:07:56,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:07:56,401 INFO L87 Difference]: Start difference. First operand 14253 states and 16146 transitions. Second operand 9 states. [2019-12-07 10:08:04,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:04,292 INFO L93 Difference]: Finished difference Result 41069 states and 46511 transitions. [2019-12-07 10:08:04,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 10:08:04,293 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 429 [2019-12-07 10:08:04,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:08:04,312 INFO L225 Difference]: With dead ends: 41069 [2019-12-07 10:08:04,313 INFO L226 Difference]: Without dead ends: 27372 [2019-12-07 10:08:04,324 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2019-12-07 10:08:04,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27372 states. [2019-12-07 10:08:04,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27372 to 21078. [2019-12-07 10:08:04,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21078 states. [2019-12-07 10:08:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21078 states to 21078 states and 23527 transitions. [2019-12-07 10:08:04,518 INFO L78 Accepts]: Start accepts. Automaton has 21078 states and 23527 transitions. Word has length 429 [2019-12-07 10:08:04,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:08:04,519 INFO L462 AbstractCegarLoop]: Abstraction has 21078 states and 23527 transitions. [2019-12-07 10:08:04,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 10:08:04,519 INFO L276 IsEmpty]: Start isEmpty. Operand 21078 states and 23527 transitions. [2019-12-07 10:08:04,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2019-12-07 10:08:04,533 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:08:04,533 INFO L410 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, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2019-12-07 10:08:04,733 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:08:04,734 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:08:04,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:04,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1563516641, now seen corresponding path program 1 times [2019-12-07 10:08:04,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:04,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472179629] [2019-12-07 10:08:04,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2019-12-07 10:08:05,066 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472179629] [2019-12-07 10:08:05,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:08:05,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:08:05,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693544942] [2019-12-07 10:08:05,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:08:05,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:08:05,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:08:05,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:08:05,068 INFO L87 Difference]: Start difference. First operand 21078 states and 23527 transitions. Second operand 3 states. [2019-12-07 10:08:05,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:05,432 INFO L93 Difference]: Finished difference Result 40486 states and 45150 transitions. [2019-12-07 10:08:05,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:08:05,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 505 [2019-12-07 10:08:05,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:08:05,446 INFO L225 Difference]: With dead ends: 40486 [2019-12-07 10:08:05,447 INFO L226 Difference]: Without dead ends: 19964 [2019-12-07 10:08:05,457 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:08:05,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19964 states. [2019-12-07 10:08:05,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19964 to 19587. [2019-12-07 10:08:05,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19587 states. [2019-12-07 10:08:05,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19587 states to 19587 states and 21786 transitions. [2019-12-07 10:08:05,618 INFO L78 Accepts]: Start accepts. Automaton has 19587 states and 21786 transitions. Word has length 505 [2019-12-07 10:08:05,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:08:05,618 INFO L462 AbstractCegarLoop]: Abstraction has 19587 states and 21786 transitions. [2019-12-07 10:08:05,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:08:05,618 INFO L276 IsEmpty]: Start isEmpty. Operand 19587 states and 21786 transitions. [2019-12-07 10:08:05,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2019-12-07 10:08:05,635 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:08:05,635 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2019-12-07 10:08:05,636 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:08:05,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:05,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1573195711, now seen corresponding path program 1 times [2019-12-07 10:08:05,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:05,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536822451] [2019-12-07 10:08:05,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 798 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2019-12-07 10:08:05,908 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536822451] [2019-12-07 10:08:05,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:08:05,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:08:05,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284089788] [2019-12-07 10:08:05,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:08:05,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:08:05,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:08:05,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:08:05,909 INFO L87 Difference]: Start difference. First operand 19587 states and 21786 transitions. Second operand 4 states. [2019-12-07 10:08:06,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:06,903 INFO L93 Difference]: Finished difference Result 41209 states and 45847 transitions. [2019-12-07 10:08:06,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:08:06,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 563 [2019-12-07 10:08:06,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:08:06,922 INFO L225 Difference]: With dead ends: 41209 [2019-12-07 10:08:06,922 INFO L226 Difference]: Without dead ends: 21808 [2019-12-07 10:08:06,931 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:08:06,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21808 states. [2019-12-07 10:08:07,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21808 to 19586. [2019-12-07 10:08:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19586 states. [2019-12-07 10:08:07,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19586 states to 19586 states and 21467 transitions. [2019-12-07 10:08:07,126 INFO L78 Accepts]: Start accepts. Automaton has 19586 states and 21467 transitions. Word has length 563 [2019-12-07 10:08:07,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:08:07,126 INFO L462 AbstractCegarLoop]: Abstraction has 19586 states and 21467 transitions. [2019-12-07 10:08:07,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:08:07,126 INFO L276 IsEmpty]: Start isEmpty. Operand 19586 states and 21467 transitions. [2019-12-07 10:08:07,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2019-12-07 10:08:07,142 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:08:07,143 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2019-12-07 10:08:07,143 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:08:07,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:07,143 INFO L82 PathProgramCache]: Analyzing trace with hash -2061856616, now seen corresponding path program 1 times [2019-12-07 10:08:07,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:07,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405164830] [2019-12-07 10:08:07,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:07,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 734 proven. 340 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-12-07 10:08:07,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405164830] [2019-12-07 10:08:07,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044363233] [2019-12-07 10:08:07,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:08:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:07,654 INFO L264 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 10:08:07,658 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:07,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:07,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 660 proven. 237 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2019-12-07 10:08:07,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:08:07,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3] total 9 [2019-12-07 10:08:07,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055918218] [2019-12-07 10:08:07,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 10:08:07,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:08:07,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 10:08:07,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:08:07,932 INFO L87 Difference]: Start difference. First operand 19586 states and 21467 transitions. Second operand 9 states. [2019-12-07 10:08:15,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:15,303 INFO L93 Difference]: Finished difference Result 51329 states and 56019 transitions. [2019-12-07 10:08:15,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-12-07 10:08:15,303 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 612 [2019-12-07 10:08:15,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:08:15,324 INFO L225 Difference]: With dead ends: 51329 [2019-12-07 10:08:15,324 INFO L226 Difference]: Without dead ends: 26962 [2019-12-07 10:08:15,335 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 625 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2019-12-07 10:08:15,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26962 states. [2019-12-07 10:08:15,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26962 to 16454. [2019-12-07 10:08:15,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16454 states. [2019-12-07 10:08:15,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 17446 transitions. [2019-12-07 10:08:15,559 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 17446 transitions. Word has length 612 [2019-12-07 10:08:15,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:08:15,560 INFO L462 AbstractCegarLoop]: Abstraction has 16454 states and 17446 transitions. [2019-12-07 10:08:15,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 10:08:15,560 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 17446 transitions. [2019-12-07 10:08:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2019-12-07 10:08:15,568 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:08:15,568 INFO L410 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, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-12-07 10:08:15,769 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:08:15,769 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:08:15,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:15,770 INFO L82 PathProgramCache]: Analyzing trace with hash -16219105, now seen corresponding path program 1 times [2019-12-07 10:08:15,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:15,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834471072] [2019-12-07 10:08:15,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 784 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-12-07 10:08:16,066 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834471072] [2019-12-07 10:08:16,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:08:16,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:08:16,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619350652] [2019-12-07 10:08:16,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:08:16,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:08:16,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:08:16,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:08:16,067 INFO L87 Difference]: Start difference. First operand 16454 states and 17446 transitions. Second operand 3 states. [2019-12-07 10:08:16,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:16,538 INFO L93 Difference]: Finished difference Result 29195 states and 30989 transitions. [2019-12-07 10:08:16,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:08:16,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 612 [2019-12-07 10:08:16,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:08:16,548 INFO L225 Difference]: With dead ends: 29195 [2019-12-07 10:08:16,549 INFO L226 Difference]: Without dead ends: 12555 [2019-12-07 10:08:16,556 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:08:16,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12555 states. [2019-12-07 10:08:16,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12555 to 12001. [2019-12-07 10:08:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12001 states. [2019-12-07 10:08:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12001 states to 12001 states and 12703 transitions. [2019-12-07 10:08:16,648 INFO L78 Accepts]: Start accepts. Automaton has 12001 states and 12703 transitions. Word has length 612 [2019-12-07 10:08:16,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:08:16,648 INFO L462 AbstractCegarLoop]: Abstraction has 12001 states and 12703 transitions. [2019-12-07 10:08:16,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:08:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 12001 states and 12703 transitions. [2019-12-07 10:08:16,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2019-12-07 10:08:16,658 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:08:16,658 INFO L410 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, 8, 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, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:16,659 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:08:16,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:16,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1864892644, now seen corresponding path program 1 times [2019-12-07 10:08:16,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:16,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253695585] [2019-12-07 10:08:16,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:17,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 1123 proven. 119 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2019-12-07 10:08:17,195 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253695585] [2019-12-07 10:08:17,195 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880811160] [2019-12-07 10:08:17,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:08:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:17,328 INFO L264 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 10:08:17,332 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:17,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:17,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:17,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:17,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:17,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:17,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:17,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:17,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:08:35,585 WARN L192 SmtUtils]: Spent 16.15 s on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2019-12-07 10:10:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 736 proven. 54 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2019-12-07 10:10:25,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:10:25,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2019-12-07 10:10:25,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621419183] [2019-12-07 10:10:25,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:10:25,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:10:25,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:10:25,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2019-12-07 10:10:25,420 INFO L87 Difference]: Start difference. First operand 12001 states and 12703 transitions. Second operand 8 states. [2019-12-07 10:13:26,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:26,785 INFO L93 Difference]: Finished difference Result 15506 states and 16367 transitions. [2019-12-07 10:13:26,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:13:26,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 737 [2019-12-07 10:13:26,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:26,786 INFO L225 Difference]: With dead ends: 15506 [2019-12-07 10:13:26,786 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:13:26,790 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 684 SyntacticMatches, 53 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 126.4s TimeCoverageRelationStatistics Valid=27, Invalid=44, Unknown=1, NotChecked=0, Total=72 [2019-12-07 10:13:26,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:13:26,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:13:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:13:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:13:26,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 737 [2019-12-07 10:13:26,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:26,790 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:13:26,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:13:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:13:26,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:13:26,991 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:13:26,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:13:27,605 WARN L192 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 423 [2019-12-07 10:13:28,093 WARN L192 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 423 [2019-12-07 10:13:38,298 WARN L192 SmtUtils]: Spent 10.20 s on a formula simplification. DAG size of input: 387 DAG size of output: 113 [2019-12-07 10:13:48,433 WARN L192 SmtUtils]: Spent 10.13 s on a formula simplification. DAG size of input: 387 DAG size of output: 113 [2019-12-07 10:13:48,435 INFO L246 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2019-12-07 10:13:48,435 INFO L246 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2019-12-07 10:13:48,435 INFO L246 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L249 CegarLoopResult]: At program point L1028(lines 1028 1044) the Hoare annotation is: true [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,436 INFO L246 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L242 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse6 (not (= ~a25~0 9))) (.cse20 (< 140 ~a29~0)) (.cse4 (= 1 ~a3~0)) (.cse5 (= 1 ~a4~0)) (.cse24 (+ ~a23~0 43)) (.cse9 (< 138 ~a23~0)) (.cse11 (= ~a25~0 12)) (.cse2 (= ~a25~0 10))) (let ((.cse10 (not .cse2)) (.cse7 (not (= ~a25~0 11))) (.cse8 (not .cse11)) (.cse15 (or (<= .cse24 0) .cse9)) (.cse13 (< 0 .cse24)) (.cse3 (<= ~a29~0 140)) (.cse14 (not (= ~a25~0 13))) (.cse22 (<= 187 ~a29~0)) (.cse21 (<= ~a23~0 306)) (.cse17 (or (and .cse6 .cse20 .cse9) (and .cse20 .cse4 .cse5))) (.cse18 (<= ~a29~0 274)) (.cse12 (<= ~a23~0 247)) (.cse0 (<= ~a4~0 0)) (.cse23 (<= ~a29~0 277)) (.cse1 (= 15 ~a8~0)) (.cse16 (<= 312 ~a23~0))) (or (and (<= 0 (+ ~a29~0 552848)) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse5) (and .cse6 .cse7 .cse1 .cse8 .cse5 .cse9 .cse10) (and .cse11 .cse1 .cse5 .cse12 .cse3) (and (<= 12 ~a25~0) .cse0 .cse13 .cse1 .cse12) (and .cse6 .cse14 .cse1 .cse12 .cse15 .cse3) (and .cse7 .cse1 .cse8 .cse5 .cse16 .cse10) (and .cse7 .cse17 .cse18 .cse1 .cse8 .cse5) (let ((.cse19 (div (+ (* ~a29~0 (- 1)) (- 554771)) (- 3)))) (and .cse14 (= (mod (+ (* ~a29~0 2) 1) (- 3)) 0) (<= .cse19 245) .cse1 (< 140 .cse19) .cse12 .cse15)) (and .cse20 .cse18 .cse1 .cse2 .cse5) (and .cse0 .cse13 .cse1 .cse12 .cse3) (and .cse4 .cse21 .cse1 .cse5 .cse9) (and .cse0 .cse14 .cse22 .cse1 .cse12) (and .cse14 .cse22 .cse23 .cse1 .cse5 .cse12) (and .cse17 .cse21 .cse1 (<= 93834 ~a29~0)) (and .cse17 .cse18 .cse21 .cse1) (and .cse17 .cse1 .cse5 (<= 260 ~a29~0)) (and .cse11 .cse4 (<= ~a29~0 130) .cse1 .cse5 .cse16) (and .cse17 .cse18 (<= 153 ~a29~0) .cse1 .cse5) (and .cse23 .cse1 .cse2 .cse12 .cse9) (and .cse11 .cse0 .cse23 .cse1) (and .cse20 .cse1 .cse5 .cse16)))) [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,437 INFO L246 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,438 INFO L246 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,439 INFO L246 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2019-12-07 10:13:48,440 INFO L246 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,441 INFO L246 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,442 INFO L246 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2019-12-07 10:13:48,443 INFO L246 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2019-12-07 10:13:48,444 INFO L246 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,444 INFO L246 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,444 INFO L246 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,444 INFO L246 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,444 INFO L246 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,444 INFO L246 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,444 INFO L246 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,444 INFO L246 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2019-12-07 10:13:48,444 INFO L246 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2019-12-07 10:13:48,444 INFO L246 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2019-12-07 10:13:48,444 INFO L246 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,444 INFO L246 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,445 INFO L246 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2019-12-07 10:13:48,446 INFO L246 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2019-12-07 10:13:48,446 INFO L246 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,446 INFO L246 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,446 INFO L246 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,446 INFO L246 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,446 INFO L246 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,446 INFO L246 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,446 INFO L246 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2019-12-07 10:13:48,446 INFO L246 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2019-12-07 10:13:48,446 INFO L246 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2019-12-07 10:13:48,446 INFO L246 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2019-12-07 10:13:48,446 INFO L246 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2019-12-07 10:13:48,447 INFO L246 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2019-12-07 10:13:48,448 INFO L246 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,448 INFO L246 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,448 INFO L246 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,448 INFO L246 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,448 INFO L246 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,448 INFO L246 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,448 INFO L246 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,448 INFO L246 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2019-12-07 10:13:48,448 INFO L246 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2019-12-07 10:13:48,448 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:13:48,448 INFO L246 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,449 INFO L246 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2019-12-07 10:13:48,450 INFO L246 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2019-12-07 10:13:48,451 INFO L246 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L242 CegarLoopResult]: At program point L1025(lines 22 1026) the Hoare annotation is: (let ((.cse6 (not (= ~a25~0 9))) (.cse20 (< 140 ~a29~0)) (.cse4 (= 1 ~a3~0)) (.cse5 (= 1 ~a4~0)) (.cse24 (+ ~a23~0 43)) (.cse9 (< 138 ~a23~0)) (.cse11 (= ~a25~0 12)) (.cse2 (= ~a25~0 10))) (let ((.cse10 (not .cse2)) (.cse7 (not (= ~a25~0 11))) (.cse8 (not .cse11)) (.cse15 (or (<= .cse24 0) .cse9)) (.cse13 (< 0 .cse24)) (.cse3 (<= ~a29~0 140)) (.cse14 (not (= ~a25~0 13))) (.cse22 (<= 187 ~a29~0)) (.cse21 (<= ~a23~0 306)) (.cse17 (or (and .cse6 .cse20 .cse9) (and .cse20 .cse4 .cse5))) (.cse18 (<= ~a29~0 274)) (.cse12 (<= ~a23~0 247)) (.cse0 (<= ~a4~0 0)) (.cse23 (<= ~a29~0 277)) (.cse1 (= 15 ~a8~0)) (.cse16 (<= 312 ~a23~0))) (or (and (<= 0 (+ ~a29~0 552848)) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse5) (and .cse6 .cse7 .cse1 .cse8 .cse5 .cse9 .cse10) (and .cse11 .cse1 .cse5 .cse12 .cse3) (and (<= 12 ~a25~0) .cse0 .cse13 .cse1 .cse12) (and .cse6 .cse14 .cse1 .cse12 .cse15 .cse3) (and .cse7 .cse1 .cse8 .cse5 .cse16 .cse10) (and .cse7 .cse17 .cse18 .cse1 .cse8 .cse5) (let ((.cse19 (div (+ (* ~a29~0 (- 1)) (- 554771)) (- 3)))) (and .cse14 (= (mod (+ (* ~a29~0 2) 1) (- 3)) 0) (<= .cse19 245) .cse1 (< 140 .cse19) .cse12 .cse15)) (and .cse20 .cse18 .cse1 .cse2 .cse5) (and .cse0 .cse13 .cse1 .cse12 .cse3) (and .cse4 .cse21 .cse1 .cse5 .cse9) (and .cse0 .cse14 .cse22 .cse1 .cse12) (and .cse14 .cse22 .cse23 .cse1 .cse5 .cse12) (and .cse17 .cse21 .cse1 (<= 93834 ~a29~0)) (and .cse17 .cse18 .cse21 .cse1) (and .cse17 .cse1 .cse5 (<= 260 ~a29~0)) (and .cse11 .cse4 (<= ~a29~0 130) .cse1 .cse5 .cse16) (and .cse17 .cse18 (<= 153 ~a29~0) .cse1 .cse5) (and .cse23 .cse1 .cse2 .cse12 .cse9) (and .cse11 .cse0 .cse23 .cse1) (and .cse20 .cse1 .cse5 .cse16)))) [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2019-12-07 10:13:48,452 INFO L246 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2019-12-07 10:13:48,453 INFO L246 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,453 INFO L246 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,453 INFO L246 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2019-12-07 10:13:48,453 INFO L246 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,453 INFO L246 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,453 INFO L246 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2019-12-07 10:13:48,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:13:48 BoogieIcfgContainer [2019-12-07 10:13:48,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:13:48,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:13:48,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:13:48,481 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:13:48,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:31" (3/4) ... [2019-12-07 10:13:48,484 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:13:48,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 10:13:48,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:13:48,607 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3978775f-8626-4c53-85c0-7d4a556fa9d3/bin/uautomizer/witness.graphml [2019-12-07 10:13:48,607 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:13:48,608 INFO L168 Benchmark]: Toolchain (without parser) took 379114.93 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 939.3 MB in the beginning and 820.1 MB in the end (delta: 119.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2019-12-07 10:13:48,608 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:13:48,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -96.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:48,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:48,609 INFO L168 Benchmark]: Boogie Preprocessor took 88.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:48,609 INFO L168 Benchmark]: RCFGBuilder took 1084.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 832.1 MB in the end (delta: 169.7 MB). Peak memory consumption was 169.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:48,609 INFO L168 Benchmark]: TraceAbstraction took 377286.78 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 826.8 MB in the beginning and 863.4 MB in the end (delta: -36.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2019-12-07 10:13:48,610 INFO L168 Benchmark]: Witness Printer took 126.31 ms. Allocated memory is still 2.6 GB. Free memory was 863.4 MB in the beginning and 820.1 MB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:48,611 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 444.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -96.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1084.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 832.1 MB in the end (delta: 169.7 MB). Peak memory consumption was 169.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 377286.78 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 826.8 MB in the beginning and 863.4 MB in the end (delta: -36.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 126.31 ms. Allocated memory is still 2.6 GB. Free memory was 863.4 MB in the beginning and 820.1 MB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((0 <= a29 + 552848 && a4 <= 0) && 15 == a8) && a25 == 10) && a29 <= 140) || (((1 == a3 && 15 == a8) && a25 == 10) && 1 == a4)) || ((((((!(a25 == 9) && !(a25 == 11)) && 15 == a8) && !(a25 == 12)) && 1 == a4) && 138 < a23) && !(a25 == 10))) || ((((a25 == 12 && 15 == a8) && 1 == a4) && a23 <= 247) && a29 <= 140)) || ((((12 <= a25 && a4 <= 0) && 0 < a23 + 43) && 15 == a8) && a23 <= 247)) || (((((!(a25 == 9) && !(a25 == 13)) && 15 == a8) && a23 <= 247) && (a23 + 43 <= 0 || 138 < a23)) && a29 <= 140)) || (((((!(a25 == 11) && 15 == a8) && !(a25 == 12)) && 1 == a4) && 312 <= a23) && !(a25 == 10))) || (((((!(a25 == 11) && (((!(a25 == 9) && 140 < a29) && 138 < a23) || ((140 < a29 && 1 == a3) && 1 == a4))) && a29 <= 274) && 15 == a8) && !(a25 == 12)) && 1 == a4)) || ((((((!(a25 == 13) && (a29 * 2 + 1) % -3 == 0) && (a29 * -1 + -554771) / -3 <= 245) && 15 == a8) && 140 < (a29 * -1 + -554771) / -3) && a23 <= 247) && (a23 + 43 <= 0 || 138 < a23))) || ((((140 < a29 && a29 <= 274) && 15 == a8) && a25 == 10) && 1 == a4)) || ((((a4 <= 0 && 0 < a23 + 43) && 15 == a8) && a23 <= 247) && a29 <= 140)) || ((((1 == a3 && a23 <= 306) && 15 == a8) && 1 == a4) && 138 < a23)) || ((((a4 <= 0 && !(a25 == 13)) && 187 <= a29) && 15 == a8) && a23 <= 247)) || (((((!(a25 == 13) && 187 <= a29) && a29 <= 277) && 15 == a8) && 1 == a4) && a23 <= 247)) || ((((((!(a25 == 9) && 140 < a29) && 138 < a23) || ((140 < a29 && 1 == a3) && 1 == a4)) && a23 <= 306) && 15 == a8) && 93834 <= a29)) || ((((((!(a25 == 9) && 140 < a29) && 138 < a23) || ((140 < a29 && 1 == a3) && 1 == a4)) && a29 <= 274) && a23 <= 306) && 15 == a8)) || ((((((!(a25 == 9) && 140 < a29) && 138 < a23) || ((140 < a29 && 1 == a3) && 1 == a4)) && 15 == a8) && 1 == a4) && 260 <= a29)) || (((((a25 == 12 && 1 == a3) && a29 <= 130) && 15 == a8) && 1 == a4) && 312 <= a23)) || (((((((!(a25 == 9) && 140 < a29) && 138 < a23) || ((140 < a29 && 1 == a3) && 1 == a4)) && a29 <= 274) && 153 <= a29) && 15 == a8) && 1 == a4)) || ((((a29 <= 277 && 15 == a8) && a25 == 10) && a23 <= 247) && 138 < a23)) || (((a25 == 12 && a4 <= 0) && a29 <= 277) && 15 == a8)) || (((140 < a29 && 15 == a8) && 1 == a4) && 312 <= a23) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((0 <= a29 + 552848 && a4 <= 0) && 15 == a8) && a25 == 10) && a29 <= 140) || (((1 == a3 && 15 == a8) && a25 == 10) && 1 == a4)) || ((((((!(a25 == 9) && !(a25 == 11)) && 15 == a8) && !(a25 == 12)) && 1 == a4) && 138 < a23) && !(a25 == 10))) || ((((a25 == 12 && 15 == a8) && 1 == a4) && a23 <= 247) && a29 <= 140)) || ((((12 <= a25 && a4 <= 0) && 0 < a23 + 43) && 15 == a8) && a23 <= 247)) || (((((!(a25 == 9) && !(a25 == 13)) && 15 == a8) && a23 <= 247) && (a23 + 43 <= 0 || 138 < a23)) && a29 <= 140)) || (((((!(a25 == 11) && 15 == a8) && !(a25 == 12)) && 1 == a4) && 312 <= a23) && !(a25 == 10))) || (((((!(a25 == 11) && (((!(a25 == 9) && 140 < a29) && 138 < a23) || ((140 < a29 && 1 == a3) && 1 == a4))) && a29 <= 274) && 15 == a8) && !(a25 == 12)) && 1 == a4)) || ((((((!(a25 == 13) && (a29 * 2 + 1) % -3 == 0) && (a29 * -1 + -554771) / -3 <= 245) && 15 == a8) && 140 < (a29 * -1 + -554771) / -3) && a23 <= 247) && (a23 + 43 <= 0 || 138 < a23))) || ((((140 < a29 && a29 <= 274) && 15 == a8) && a25 == 10) && 1 == a4)) || ((((a4 <= 0 && 0 < a23 + 43) && 15 == a8) && a23 <= 247) && a29 <= 140)) || ((((1 == a3 && a23 <= 306) && 15 == a8) && 1 == a4) && 138 < a23)) || ((((a4 <= 0 && !(a25 == 13)) && 187 <= a29) && 15 == a8) && a23 <= 247)) || (((((!(a25 == 13) && 187 <= a29) && a29 <= 277) && 15 == a8) && 1 == a4) && a23 <= 247)) || ((((((!(a25 == 9) && 140 < a29) && 138 < a23) || ((140 < a29 && 1 == a3) && 1 == a4)) && a23 <= 306) && 15 == a8) && 93834 <= a29)) || ((((((!(a25 == 9) && 140 < a29) && 138 < a23) || ((140 < a29 && 1 == a3) && 1 == a4)) && a29 <= 274) && a23 <= 306) && 15 == a8)) || ((((((!(a25 == 9) && 140 < a29) && 138 < a23) || ((140 < a29 && 1 == a3) && 1 == a4)) && 15 == a8) && 1 == a4) && 260 <= a29)) || (((((a25 == 12 && 1 == a3) && a29 <= 130) && 15 == a8) && 1 == a4) && 312 <= a23)) || (((((((!(a25 == 9) && 140 < a29) && 138 < a23) || ((140 < a29 && 1 == a3) && 1 == a4)) && a29 <= 274) && 153 <= a29) && 15 == a8) && 1 == a4)) || ((((a29 <= 277 && 15 == a8) && a25 == 10) && a23 <= 247) && 138 < a23)) || (((a25 == 12 && a4 <= 0) && a29 <= 277) && 15 == a8)) || (((140 < a29 && 15 == a8) && 1 == a4) && 312 <= a23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Result: SAFE, OverallTime: 355.7s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 218.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.4s, HoareTripleCheckerStatistics: 1766 SDtfs, 14049 SDslu, 980 SDs, 0 SdLazy, 34133 SolverSat, 5928 SolverUnsat, 90 SolverUnknown, 0 SolverNotchecked, 208.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3527 GetRequests, 3342 SyntacticMatches, 60 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1562 ImplicationChecksByTransitivity, 128.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21078occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 29627 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 236 NumberOfFragments, 1015 HoareAnnotationTreeSize, 3 FomulaSimplifications, 78120 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 29460 FormulaSimplificationTreeSizeReductionInter, 20.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 130.7s InterpolantComputationTime, 8847 NumberOfCodeBlocks, 8847 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 8825 ConstructedInterpolants, 60 QuantifiedInterpolants, 20103251 SizeOfPredicates, 9 NumberOfNonLiveVariables, 4474 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 12402/13956 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...