./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label25.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_a7416e3a-2b94-495d-8797-1ff9af468e32/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/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 4a6f9eb2e7a9523a59919f10058626623eca86a6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 13:13:32,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:13:32,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:13:32,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:13:32,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:13:32,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:13:32,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:13:32,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:13:32,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:13:32,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:13:32,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:13:32,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:13:32,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:13:32,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:13:32,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:13:32,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:13:32,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:13:32,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:13:32,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:13:32,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:13:32,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:13:32,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:13:32,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:13:32,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:13:32,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:13:32,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:13:32,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:13:32,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:13:32,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:13:32,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:13:32,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:13:32,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:13:32,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:13:32,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:13:32,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:13:32,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:13:32,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:13:32,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:13:32,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:13:32,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:13:32,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:13:32,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 13:13:32,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:13:32,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:13:32,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:13:32,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:13:32,905 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:13:32,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:13:32,905 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:13:32,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:13:32,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:13:32,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:13:32,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:13:32,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:13:32,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:13:32,906 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:13:32,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:13:32,906 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:13:32,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:13:32,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:13:32,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:13:32,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:13:32,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:13:32,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:13:32,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:13:32,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:13:32,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:13:32,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:13:32,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:13:32,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:13:32,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:13:32,908 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_a7416e3a-2b94-495d-8797-1ff9af468e32/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 -> 4a6f9eb2e7a9523a59919f10058626623eca86a6 [2019-12-07 13:13:33,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:13:33,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:13:33,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:13:33,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:13:33,019 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:13:33,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c [2019-12-07 13:13:33,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/bin/uautomizer/data/57e8b4c13/145c97bd3dc94f35a27cce4746e2dcd6/FLAGc0efd3185 [2019-12-07 13:13:33,515 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:13:33,516 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/sv-benchmarks/c/eca-rers2012/Problem14_label25.c [2019-12-07 13:13:33,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/bin/uautomizer/data/57e8b4c13/145c97bd3dc94f35a27cce4746e2dcd6/FLAGc0efd3185 [2019-12-07 13:13:33,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/bin/uautomizer/data/57e8b4c13/145c97bd3dc94f35a27cce4746e2dcd6 [2019-12-07 13:13:33,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:13:33,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:13:33,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:13:33,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:13:33,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:13:33,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:13:33" (1/1) ... [2019-12-07 13:13:33,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5972f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33, skipping insertion in model container [2019-12-07 13:13:33,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:13:33" (1/1) ... [2019-12-07 13:13:33,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:13:33,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:13:33,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:13:33,874 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:13:33,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:13:33,954 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:13:33,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33 WrapperNode [2019-12-07 13:13:33,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:13:33,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:13:33,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:13:33,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:13:33,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33" (1/1) ... [2019-12-07 13:13:33,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33" (1/1) ... [2019-12-07 13:13:34,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:13:34,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:13:34,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:13:34,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:13:34,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33" (1/1) ... [2019-12-07 13:13:34,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33" (1/1) ... [2019-12-07 13:13:34,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33" (1/1) ... [2019-12-07 13:13:34,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33" (1/1) ... [2019-12-07 13:13:34,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33" (1/1) ... [2019-12-07 13:13:34,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33" (1/1) ... [2019-12-07 13:13:34,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33" (1/1) ... [2019-12-07 13:13:34,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:13:34,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:13:34,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:13:34,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:13:34,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/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 13:13:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:13:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:13:34,853 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:13:34,853 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 13:13:34,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:13:34 BoogieIcfgContainer [2019-12-07 13:13:34,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:13:34,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:13:34,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:13:34,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:13:34,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:13:33" (1/3) ... [2019-12-07 13:13:34,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f06a88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:13:34, skipping insertion in model container [2019-12-07 13:13:34,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:33" (2/3) ... [2019-12-07 13:13:34,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f06a88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:13:34, skipping insertion in model container [2019-12-07 13:13:34,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:13:34" (3/3) ... [2019-12-07 13:13:34,863 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label25.c [2019-12-07 13:13:34,873 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:13:34,880 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:13:34,891 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:13:34,917 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:13:34,917 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:13:34,917 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:13:34,917 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:13:34,917 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:13:34,918 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:13:34,918 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:13:34,918 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:13:34,940 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-12-07 13:13:34,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-07 13:13:34,949 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:13:34,950 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:13:34,950 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:13:34,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:13:34,957 INFO L82 PathProgramCache]: Analyzing trace with hash -107486446, now seen corresponding path program 1 times [2019-12-07 13:13:34,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:13:34,966 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619488759] [2019-12-07 13:13:34,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:13:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:35,272 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 13:13:35,272 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619488759] [2019-12-07 13:13:35,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:13:35,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:13:35,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799168708] [2019-12-07 13:13:35,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:13:35,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:13:35,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:13:35,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:13:35,289 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 6 states. [2019-12-07 13:13:36,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:13:36,527 INFO L93 Difference]: Finished difference Result 852 states and 1560 transitions. [2019-12-07 13:13:36,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:13:36,529 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2019-12-07 13:13:36,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:13:36,541 INFO L225 Difference]: With dead ends: 852 [2019-12-07 13:13:36,541 INFO L226 Difference]: Without dead ends: 538 [2019-12-07 13:13:36,544 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:13:36,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-12-07 13:13:36,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-12-07 13:13:36,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-07 13:13:36,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions. [2019-12-07 13:13:36,597 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 64 [2019-12-07 13:13:36,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:13:36,597 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions. [2019-12-07 13:13:36,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:13:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions. [2019-12-07 13:13:36,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-07 13:13:36,604 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:13:36,604 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:13:36,605 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:13:36,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:13:36,605 INFO L82 PathProgramCache]: Analyzing trace with hash 228116006, now seen corresponding path program 1 times [2019-12-07 13:13:36,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:13:36,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646686516] [2019-12-07 13:13:36,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:13:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-12-07 13:13:36,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646686516] [2019-12-07 13:13:36,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:13:36,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:13:36,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541123349] [2019-12-07 13:13:36,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:13:36,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:13:36,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:13:36,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:13:36,711 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand 4 states. [2019-12-07 13:13:37,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:13:37,440 INFO L93 Difference]: Finished difference Result 1252 states and 1948 transitions. [2019-12-07 13:13:37,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:13:37,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 200 [2019-12-07 13:13:37,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:13:37,446 INFO L225 Difference]: With dead ends: 1252 [2019-12-07 13:13:37,446 INFO L226 Difference]: Without dead ends: 894 [2019-12-07 13:13:37,448 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:13:37,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2019-12-07 13:13:37,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2019-12-07 13:13:37,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2019-12-07 13:13:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1206 transitions. [2019-12-07 13:13:37,472 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1206 transitions. Word has length 200 [2019-12-07 13:13:37,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:13:37,473 INFO L462 AbstractCegarLoop]: Abstraction has 894 states and 1206 transitions. [2019-12-07 13:13:37,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:13:37,473 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1206 transitions. [2019-12-07 13:13:37,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-12-07 13:13:37,476 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:13:37,476 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, 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:13:37,476 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:13:37,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:13:37,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1127504167, now seen corresponding path program 1 times [2019-12-07 13:13:37,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:13:37,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440319990] [2019-12-07 13:13:37,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:13:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 164 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-12-07 13:13:37,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440319990] [2019-12-07 13:13:37,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033568138] [2019-12-07 13:13:37,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/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 13:13:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:37,745 INFO L264 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 13:13:37,753 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:13:37,844 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-12-07 13:13:37,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 13:13:37,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2019-12-07 13:13:37,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328699498] [2019-12-07 13:13:37,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:13:37,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:13:37,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:13:37,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:13:37,846 INFO L87 Difference]: Start difference. First operand 894 states and 1206 transitions. Second operand 4 states. [2019-12-07 13:13:38,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:13:38,836 INFO L93 Difference]: Finished difference Result 2506 states and 3498 transitions. [2019-12-07 13:13:38,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:13:38,836 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 223 [2019-12-07 13:13:38,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:13:38,842 INFO L225 Difference]: With dead ends: 2506 [2019-12-07 13:13:38,842 INFO L226 Difference]: Without dead ends: 1606 [2019-12-07 13:13:38,843 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:13:38,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2019-12-07 13:13:38,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1428. [2019-12-07 13:13:38,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-12-07 13:13:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1927 transitions. [2019-12-07 13:13:38,869 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1927 transitions. Word has length 223 [2019-12-07 13:13:38,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:13:38,869 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 1927 transitions. [2019-12-07 13:13:38,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:13:38,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1927 transitions. [2019-12-07 13:13:38,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2019-12-07 13:13:38,874 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:13:38,875 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:13:39,075 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:13:39,075 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:13:39,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:13:39,076 INFO L82 PathProgramCache]: Analyzing trace with hash -438627073, now seen corresponding path program 1 times [2019-12-07 13:13:39,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:13:39,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690169599] [2019-12-07 13:13:39,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:13:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:39,319 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 269 proven. 4 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2019-12-07 13:13:39,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690169599] [2019-12-07 13:13:39,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712161487] [2019-12-07 13:13:39,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/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 13:13:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:39,408 INFO L264 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 13:13:39,419 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:13:39,572 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 297 proven. 56 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-12-07 13:13:39,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:13:39,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2019-12-07 13:13:39,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753295082] [2019-12-07 13:13:39,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:13:39,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:13:39,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:13:39,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:13:39,574 INFO L87 Difference]: Start difference. First operand 1428 states and 1927 transitions. Second operand 8 states. [2019-12-07 13:13:41,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:13:41,459 INFO L93 Difference]: Finished difference Result 5303 states and 7190 transitions. [2019-12-07 13:13:41,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 13:13:41,459 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 395 [2019-12-07 13:13:41,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:13:41,472 INFO L225 Difference]: With dead ends: 5303 [2019-12-07 13:13:41,472 INFO L226 Difference]: Without dead ends: 3564 [2019-12-07 13:13:41,474 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 392 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2019-12-07 13:13:41,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2019-12-07 13:13:41,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 2496. [2019-12-07 13:13:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2019-12-07 13:13:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2719 transitions. [2019-12-07 13:13:41,514 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2719 transitions. Word has length 395 [2019-12-07 13:13:41,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:13:41,514 INFO L462 AbstractCegarLoop]: Abstraction has 2496 states and 2719 transitions. [2019-12-07 13:13:41,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:13:41,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2719 transitions. [2019-12-07 13:13:41,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2019-12-07 13:13:41,521 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:13:41,521 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, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-12-07 13:13:41,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:13:41,722 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:13:41,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:13:41,723 INFO L82 PathProgramCache]: Analyzing trace with hash 374303904, now seen corresponding path program 1 times [2019-12-07 13:13:41,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:13:41,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523663861] [2019-12-07 13:13:41,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:13:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:42,376 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 609 proven. 4 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-12-07 13:13:42,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523663861] [2019-12-07 13:13:42,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129335488] [2019-12-07 13:13:42,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/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 13:13:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:13:42,472 INFO L264 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 13:13:42,477 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:13:42,765 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2019-12-07 13:13:42,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 13:13:42,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-12-07 13:13:42,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956277050] [2019-12-07 13:13:42,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:13:42,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:13:42,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:13:42,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:13:42,767 INFO L87 Difference]: Start difference. First operand 2496 states and 2719 transitions. Second operand 4 states. [2019-12-07 13:13:43,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:13:43,185 INFO L93 Difference]: Finished difference Result 4659 states and 5094 transitions. [2019-12-07 13:13:43,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:13:43,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 550 [2019-12-07 13:13:43,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:13:43,186 INFO L225 Difference]: With dead ends: 4659 [2019-12-07 13:13:43,186 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:13:43,190 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:13:43,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:13:43,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:13:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:13:43,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:13:43,191 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 550 [2019-12-07 13:13:43,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:13:43,191 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:13:43,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:13:43,192 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:13:43,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:13:43,392 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:13:43,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:13:43,547 INFO L246 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-12-07 13:13:43,547 INFO L246 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-12-07 13:13:43,547 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,547 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,547 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,547 INFO L246 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-12-07 13:13:43,547 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-12-07 13:13:43,547 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-12-07 13:13:43,548 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-12-07 13:13:43,548 INFO L246 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-12-07 13:13:43,548 INFO L246 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-12-07 13:13:43,548 INFO L246 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-12-07 13:13:43,548 INFO L246 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-12-07 13:13:43,548 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,548 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,548 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,548 INFO L246 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-12-07 13:13:43,548 INFO L246 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-12-07 13:13:43,548 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-12-07 13:13:43,549 INFO L246 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-12-07 13:13:43,550 INFO L246 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-12-07 13:13:43,550 INFO L246 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-12-07 13:13:43,550 INFO L246 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-12-07 13:13:43,550 INFO L246 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-12-07 13:13:43,550 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,550 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,550 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,550 INFO L246 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-12-07 13:13:43,550 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-12-07 13:13:43,550 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-12-07 13:13:43,550 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-12-07 13:13:43,551 INFO L246 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-12-07 13:13:43,552 INFO L246 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-12-07 13:13:43,553 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,553 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,553 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,553 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-12-07 13:13:43,553 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-12-07 13:13:43,553 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-12-07 13:13:43,553 INFO L246 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-12-07 13:13:43,553 INFO L246 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-12-07 13:13:43,553 INFO L246 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-12-07 13:13:43,553 INFO L246 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-12-07 13:13:43,553 INFO L246 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-12-07 13:13:43,553 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,554 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,555 INFO L246 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-12-07 13:13:43,556 INFO L246 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-12-07 13:13:43,556 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-12-07 13:13:43,556 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-12-07 13:13:43,556 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-12-07 13:13:43,556 INFO L246 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-12-07 13:13:43,556 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:13:43,556 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2019-12-07 13:13:43,556 INFO L246 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-12-07 13:13:43,556 INFO L246 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-12-07 13:13:43,556 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,556 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,556 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-12-07 13:13:43,557 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-12-07 13:13:43,558 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-12-07 13:13:43,558 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-12-07 13:13:43,558 INFO L246 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-12-07 13:13:43,558 INFO L246 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-12-07 13:13:43,558 INFO L246 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-12-07 13:13:43,558 INFO L246 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-12-07 13:13:43,558 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,558 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,558 INFO L246 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-12-07 13:13:43,558 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-12-07 13:13:43,558 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-12-07 13:13:43,558 INFO L246 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,559 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,560 INFO L242 CegarLoopResult]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse1 (or (<= (+ ~a12~0 43) 0) (< 11 ~a12~0))) (.cse0 (= ~a24~0 1))) (or (and .cse0 (= ~a21~0 10)) (and .cse1 .cse0) (and (<= ~a12~0 80) .cse1 (<= ~a15~0 8)) (and .cse0 (= ~a21~0 9)) (and .cse0 (not (= ~a15~0 6))))) [2019-12-07 13:13:43,560 INFO L246 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-12-07 13:13:43,560 INFO L246 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-12-07 13:13:43,560 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-12-07 13:13:43,560 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-12-07 13:13:43,560 INFO L246 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-12-07 13:13:43,560 INFO L246 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-12-07 13:13:43,560 INFO L246 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-12-07 13:13:43,561 INFO L246 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-12-07 13:13:43,561 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,561 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,561 INFO L249 CegarLoopResult]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-12-07 13:13:43,561 INFO L246 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-12-07 13:13:43,561 INFO L246 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-12-07 13:13:43,561 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-12-07 13:13:43,561 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-12-07 13:13:43,561 INFO L246 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-12-07 13:13:43,561 INFO L246 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-12-07 13:13:43,561 INFO L246 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-12-07 13:13:43,561 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,561 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,562 INFO L246 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-12-07 13:13:43,562 INFO L246 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-12-07 13:13:43,562 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-12-07 13:13:43,562 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-12-07 13:13:43,562 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:13:43,562 INFO L246 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-12-07 13:13:43,562 INFO L246 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-12-07 13:13:43,562 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,562 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,562 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-12-07 13:13:43,562 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,562 INFO L246 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-12-07 13:13:43,563 INFO L242 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (or (<= (+ ~a12~0 43) 0) (< 11 ~a12~0))) (.cse0 (= ~a24~0 1))) (or (and .cse0 (= ~a21~0 10)) (and .cse1 .cse0) (and (<= ~a12~0 80) .cse1 (<= ~a15~0 8)) (and .cse0 (= ~a21~0 9)) (and .cse0 (not (= ~a15~0 6))))) [2019-12-07 13:13:43,563 INFO L246 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-12-07 13:13:43,563 INFO L246 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-12-07 13:13:43,563 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-12-07 13:13:43,563 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-12-07 13:13:43,563 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-12-07 13:13:43,563 INFO L246 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-12-07 13:13:43,563 INFO L246 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-12-07 13:13:43,563 INFO L246 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-12-07 13:13:43,563 INFO L246 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-12-07 13:13:43,563 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,563 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,563 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,564 INFO L246 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-12-07 13:13:43,565 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-12-07 13:13:43,566 INFO L246 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-12-07 13:13:43,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:13:43 BoogieIcfgContainer [2019-12-07 13:13:43,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:13:43,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:13:43,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:13:43,581 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:13:43,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:13:34" (3/4) ... [2019-12-07 13:13:43,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:13:43,608 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 13:13:43,610 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:13:43,702 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a7416e3a-2b94-495d-8797-1ff9af468e32/bin/uautomizer/witness.graphml [2019-12-07 13:13:43,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:13:43,704 INFO L168 Benchmark]: Toolchain (without parser) took 10167.03 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 432.0 MB). Free memory was 934.0 MB in the beginning and 1.4 GB in the end (delta: -462.5 MB). Peak memory consumption was 576.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:43,705 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:13:43,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:43,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:43,705 INFO L168 Benchmark]: Boogie Preprocessor took 49.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:43,706 INFO L168 Benchmark]: RCFGBuilder took 787.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 905.5 MB in the end (delta: 138.1 MB). Peak memory consumption was 138.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:43,706 INFO L168 Benchmark]: TraceAbstraction took 8723.57 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 338.7 MB). Free memory was 905.5 MB in the beginning and 791.9 MB in the end (delta: 113.6 MB). Peak memory consumption was 452.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:43,706 INFO L168 Benchmark]: Witness Printer took 122.37 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 1.0 MB). Free memory was 791.9 MB in the beginning and 1.4 GB in the end (delta: -604.6 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:13:43,708 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 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 417.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 787.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 905.5 MB in the end (delta: 138.1 MB). Peak memory consumption was 138.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8723.57 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 338.7 MB). Free memory was 905.5 MB in the beginning and 791.9 MB in the end (delta: 113.6 MB). Peak memory consumption was 452.3 MB. Max. memory is 11.5 GB. * Witness Printer took 122.37 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 1.0 MB). Free memory was 791.9 MB in the beginning and 1.4 GB in the end (delta: -604.6 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((a24 == 1 && a21 == 10) || ((a12 + 43 <= 0 || 11 < a12) && a24 == 1)) || ((a12 <= 80 && (a12 + 43 <= 0 || 11 < a12)) && a15 <= 8)) || (a24 == 1 && a21 == 9)) || (a24 == 1 && !(a15 == 6)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a24 == 1 && a21 == 10) || ((a12 + 43 <= 0 || 11 < a12) && a24 == 1)) || ((a12 <= 80 && (a12 + 43 <= 0 || 11 < a12)) && a15 <= 8)) || (a24 == 1 && a21 == 9)) || (a24 == 1 && !(a15 == 6)) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 8.4s, OverallIterations: 5, TraceHistogramMax: 5, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 138 SDtfs, 2323 SDslu, 79 SDs, 0 SdLazy, 5989 SolverSat, 1681 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1195 GetRequests, 1164 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2496occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 1246 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 105 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1362 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 40 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2600 NumberOfCodeBlocks, 2600 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 2592 ConstructedInterpolants, 0 QuantifiedInterpolants, 4604237 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1488 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 2978/3046 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...