./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/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 cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:07:46,835 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:07:46,836 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:07:46,842 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:07:46,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:07:46,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:07:46,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:07:46,845 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:07:46,846 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:07:46,847 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:07:46,847 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:07:46,848 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:07:46,848 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:07:46,849 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:07:46,849 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:07:46,850 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:07:46,850 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:07:46,851 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:07:46,852 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:07:46,853 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:07:46,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:07:46,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:07:46,856 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:07:46,856 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:07:46,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:07:46,857 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:07:46,857 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:07:46,858 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:07:46,858 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:07:46,859 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:07:46,859 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:07:46,860 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:07:46,860 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:07:46,860 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:07:46,861 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:07:46,861 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:07:46,861 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 14:07:46,868 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:07:46,868 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:07:46,869 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:07:46,869 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:07:46,870 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:07:46,870 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:07:46,870 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:07:46,870 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:07:46,870 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:07:46,870 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:07:46,870 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:07:46,871 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:07:46,871 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:07:46,871 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:07:46,871 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:07:46,871 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:07:46,871 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:07:46,871 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:07:46,871 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:07:46,872 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:07:46,872 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:07:46,872 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:07:46,872 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:07:46,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:07:46,872 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:07:46,872 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:07:46,872 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:07:46,873 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 14:07:46,873 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:07:46,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:07:46,873 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/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 -> cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 [2018-11-23 14:07:46,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:07:46,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:07:46,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:07:46,904 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:07:46,904 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:07:46,905 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-11-23 14:07:46,943 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/uautomizer/data/53995e8ce/e70d2d5f8f6e48c3be2be8f28ecc67ae/FLAG19862dbd9 [2018-11-23 14:07:47,395 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:07:47,396 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-11-23 14:07:47,405 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/uautomizer/data/53995e8ce/e70d2d5f8f6e48c3be2be8f28ecc67ae/FLAG19862dbd9 [2018-11-23 14:07:47,416 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/uautomizer/data/53995e8ce/e70d2d5f8f6e48c3be2be8f28ecc67ae [2018-11-23 14:07:47,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:07:47,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:07:47,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:07:47,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:07:47,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:07:47,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:47" (1/1) ... [2018-11-23 14:07:47,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbeed0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47, skipping insertion in model container [2018-11-23 14:07:47,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:47" (1/1) ... [2018-11-23 14:07:47,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:07:47,463 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:07:47,698 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:07:47,701 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:07:47,765 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:07:47,775 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:07:47,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47 WrapperNode [2018-11-23 14:07:47,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:07:47,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:07:47,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:07:47,776 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:07:47,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47" (1/1) ... [2018-11-23 14:07:47,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47" (1/1) ... [2018-11-23 14:07:47,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:07:47,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:07:47,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:07:47,848 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:07:47,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47" (1/1) ... [2018-11-23 14:07:47,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47" (1/1) ... [2018-11-23 14:07:47,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47" (1/1) ... [2018-11-23 14:07:47,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47" (1/1) ... [2018-11-23 14:07:47,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47" (1/1) ... [2018-11-23 14:07:47,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47" (1/1) ... [2018-11-23 14:07:47,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47" (1/1) ... [2018-11-23 14:07:47,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:07:47,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:07:47,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:07:47,899 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:07:47,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/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 [2018-11-23 14:07:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 14:07:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:07:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:07:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 14:07:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 14:07:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:07:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:07:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:07:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:07:48,710 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:07:48,711 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 14:07:48,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:48 BoogieIcfgContainer [2018-11-23 14:07:48,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:07:48,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:07:48,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:07:48,714 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:07:48,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:07:47" (1/3) ... [2018-11-23 14:07:48,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0d8353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:07:48, skipping insertion in model container [2018-11-23 14:07:48,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:47" (2/3) ... [2018-11-23 14:07:48,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0d8353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:07:48, skipping insertion in model container [2018-11-23 14:07:48,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:48" (3/3) ... [2018-11-23 14:07:48,717 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label06_true-unreach-call_false-termination.c [2018-11-23 14:07:48,723 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:07:48,728 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:07:48,738 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:07:48,760 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:07:48,760 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:07:48,761 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:07:48,761 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:07:48,761 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:07:48,761 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:07:48,761 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:07:48,761 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:07:48,761 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:07:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 14:07:48,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 14:07:48,787 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:07:48,788 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:07:48,790 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:07:48,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:07:48,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1251834154, now seen corresponding path program 1 times [2018-11-23 14:07:48,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:07:48,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:07:48,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:07:48,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:07:48,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:07:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:49,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:07:49,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:07:49,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:07:49,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:07:49,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:07:49,107 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 14:07:49,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:07:49,672 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 14:07:49,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:07:49,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2018-11-23 14:07:49,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:07:49,684 INFO L225 Difference]: With dead ends: 547 [2018-11-23 14:07:49,685 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 14:07:49,688 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:07:49,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 14:07:49,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 14:07:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 14:07:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 539 transitions. [2018-11-23 14:07:49,734 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 539 transitions. Word has length 130 [2018-11-23 14:07:49,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:07:49,735 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 539 transitions. [2018-11-23 14:07:49,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:07:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 539 transitions. [2018-11-23 14:07:49,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 14:07:49,738 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:07:49,739 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:07:49,739 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:07:49,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:07:49,740 INFO L82 PathProgramCache]: Analyzing trace with hash -932424019, now seen corresponding path program 1 times [2018-11-23 14:07:49,740 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:07:49,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:07:49,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:07:49,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:07:49,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:07:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:49,836 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:49,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:07:49,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:07:49,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:07:49,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:07:49,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:07:49,838 INFO L87 Difference]: Start difference. First operand 338 states and 539 transitions. Second operand 6 states. [2018-11-23 14:07:50,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:07:50,423 INFO L93 Difference]: Finished difference Result 1067 states and 1776 transitions. [2018-11-23 14:07:50,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:07:50,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-11-23 14:07:50,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:07:50,428 INFO L225 Difference]: With dead ends: 1067 [2018-11-23 14:07:50,428 INFO L226 Difference]: Without dead ends: 735 [2018-11-23 14:07:50,430 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:07:50,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-11-23 14:07:50,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 720. [2018-11-23 14:07:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-23 14:07:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1116 transitions. [2018-11-23 14:07:50,459 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1116 transitions. Word has length 140 [2018-11-23 14:07:50,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:07:50,460 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 1116 transitions. [2018-11-23 14:07:50,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:07:50,460 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1116 transitions. [2018-11-23 14:07:50,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 14:07:50,463 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:07:50,463 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:07:50,463 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:07:50,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:07:50,463 INFO L82 PathProgramCache]: Analyzing trace with hash -188990609, now seen corresponding path program 1 times [2018-11-23 14:07:50,463 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:07:50,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:07:50,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:07:50,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:07:50,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:07:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:50,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:07:50,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:07:50,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:07:50,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:07:50,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:07:50,652 INFO L87 Difference]: Start difference. First operand 720 states and 1116 transitions. Second operand 5 states. [2018-11-23 14:07:51,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:07:51,068 INFO L93 Difference]: Finished difference Result 1569 states and 2474 transitions. [2018-11-23 14:07:51,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:07:51,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-11-23 14:07:51,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:07:51,076 INFO L225 Difference]: With dead ends: 1569 [2018-11-23 14:07:51,077 INFO L226 Difference]: Without dead ends: 717 [2018-11-23 14:07:51,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:07:51,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-11-23 14:07:51,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2018-11-23 14:07:51,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2018-11-23 14:07:51,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1040 transitions. [2018-11-23 14:07:51,098 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1040 transitions. Word has length 141 [2018-11-23 14:07:51,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:07:51,098 INFO L480 AbstractCegarLoop]: Abstraction has 717 states and 1040 transitions. [2018-11-23 14:07:51,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:07:51,098 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1040 transitions. [2018-11-23 14:07:51,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 14:07:51,101 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:07:51,101 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:07:51,101 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:07:51,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:07:51,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1244428519, now seen corresponding path program 1 times [2018-11-23 14:07:51,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:07:51,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:07:51,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:07:51,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:07:51,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:07:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:51,217 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:51,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:07:51,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:07:51,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:07:51,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:07:51,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:07:51,218 INFO L87 Difference]: Start difference. First operand 717 states and 1040 transitions. Second operand 3 states. [2018-11-23 14:07:51,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:07:51,638 INFO L93 Difference]: Finished difference Result 1860 states and 2738 transitions. [2018-11-23 14:07:51,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:07:51,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2018-11-23 14:07:51,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:07:51,643 INFO L225 Difference]: With dead ends: 1860 [2018-11-23 14:07:51,643 INFO L226 Difference]: Without dead ends: 1149 [2018-11-23 14:07:51,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:07:51,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2018-11-23 14:07:51,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1146. [2018-11-23 14:07:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2018-11-23 14:07:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1546 transitions. [2018-11-23 14:07:51,668 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1546 transitions. Word has length 145 [2018-11-23 14:07:51,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:07:51,669 INFO L480 AbstractCegarLoop]: Abstraction has 1146 states and 1546 transitions. [2018-11-23 14:07:51,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:07:51,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1546 transitions. [2018-11-23 14:07:51,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 14:07:51,672 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:07:51,673 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:07:51,673 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:07:51,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:07:51,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1960590570, now seen corresponding path program 1 times [2018-11-23 14:07:51,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:07:51,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:07:51,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:07:51,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:07:51,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:07:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 14:07:51,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:07:51,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 14:07:51,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 14:07:51,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 14:07:51,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:07:51,764 INFO L87 Difference]: Start difference. First operand 1146 states and 1546 transitions. Second operand 4 states. [2018-11-23 14:07:52,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:07:52,275 INFO L93 Difference]: Finished difference Result 3947 states and 5569 transitions. [2018-11-23 14:07:52,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:07:52,276 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2018-11-23 14:07:52,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:07:52,284 INFO L225 Difference]: With dead ends: 3947 [2018-11-23 14:07:52,284 INFO L226 Difference]: Without dead ends: 2807 [2018-11-23 14:07:52,288 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:07:52,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2807 states. [2018-11-23 14:07:52,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2807 to 2777. [2018-11-23 14:07:52,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2777 states. [2018-11-23 14:07:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 3631 transitions. [2018-11-23 14:07:52,333 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 3631 transitions. Word has length 165 [2018-11-23 14:07:52,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:07:52,333 INFO L480 AbstractCegarLoop]: Abstraction has 2777 states and 3631 transitions. [2018-11-23 14:07:52,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 14:07:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 3631 transitions. [2018-11-23 14:07:52,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 14:07:52,338 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:07:52,338 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:07:52,338 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:07:52,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:07:52,338 INFO L82 PathProgramCache]: Analyzing trace with hash 425097878, now seen corresponding path program 1 times [2018-11-23 14:07:52,339 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:07:52,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:07:52,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:07:52,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:07:52,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:07:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:52,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:07:52,440 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:07:52,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:07:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:52,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:07:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:07:52,648 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 14:07:52,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-23 14:07:52,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 14:07:52,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 14:07:52,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:07:52,649 INFO L87 Difference]: Start difference. First operand 2777 states and 3631 transitions. Second operand 8 states. [2018-11-23 14:07:54,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:07:54,177 INFO L93 Difference]: Finished difference Result 6585 states and 9040 transitions. [2018-11-23 14:07:54,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 14:07:54,178 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2018-11-23 14:07:54,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:07:54,178 INFO L225 Difference]: With dead ends: 6585 [2018-11-23 14:07:54,178 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:07:54,197 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2018-11-23 14:07:54,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:07:54,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:07:54,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:07:54,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:07:54,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-11-23 14:07:54,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:07:54,198 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:07:54,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 14:07:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:07:54,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:07:54,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:07:54,610 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2018-11-23 14:07:54,775 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:07:54,775 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-11-23 14:07:54,776 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:07:54,776 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 14:07:54,776 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 14:07:54,776 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,776 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,776 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,776 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,776 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,776 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,776 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 14:07:54,776 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 14:07:54,776 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 14:07:54,777 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 14:07:54,778 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,779 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,780 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,780 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,780 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,780 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 14:07:54,780 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 14:07:54,780 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 14:07:54,780 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 14:07:54,780 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 14:07:54,780 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 14:07:54,780 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 14:07:54,780 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 14:07:54,787 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 14:07:54,787 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 14:07:54,788 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 14:07:54,788 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 14:07:54,788 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 14:07:54,788 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,788 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,788 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,788 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,788 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,788 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 14:07:54,788 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 14:07:54,788 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 14:07:54,788 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 14:07:54,789 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 14:07:54,789 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 14:07:54,789 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 14:07:54,789 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 14:07:54,789 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 548) no Hoare annotation was computed. [2018-11-23 14:07:54,789 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 14:07:54,789 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,789 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,789 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,789 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,789 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 14:07:54,790 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 14:07:54,791 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 14:07:54,791 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 14:07:54,791 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,791 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,791 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,791 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,791 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,791 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 14:07:54,791 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 14:07:54,791 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 14:07:54,791 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 14:07:54,791 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 14:07:54,792 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 14:07:54,792 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 14:07:54,792 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 14:07:54,792 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,792 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,792 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,792 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,792 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,792 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 14:07:54,796 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 14:07:54,796 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 14:07:54,796 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 14:07:54,796 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 14:07:54,796 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 14:07:54,796 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 14:07:54,796 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 14:07:54,796 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 14:07:54,796 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 14:07:54,797 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse10 (<= ~a21~0 |old(~a21~0)|)) (.cse11 (= |old(~a16~0)| ~a16~0)) (.cse12 (= ~a20~0 |old(~a20~0)|))) (let ((.cse2 (< 0 |old(~a21~0)|)) (.cse3 (and .cse14 .cse10 .cse11 .cse12)) (.cse9 (not (= ~a7~0 1))) (.cse0 (not (= 1 |old(~a20~0)|))) (.cse13 (= 1 ~a17~0)) (.cse4 (= 1 |old(~a7~0)|)) (.cse7 (not (= 1 |old(~a17~0)|))) (.cse6 (not (= ~a8~0 13))) (.cse5 (= 13 |old(~a8~0)|)) (.cse8 (= 6 |old(~a16~0)|)) (.cse16 (not (= 15 |old(~a8~0)|))) (.cse1 (not (= 8 ~a12~0))) (.cse15 (= 15 ~a8~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse6 .cse7) (or .cse8 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 (and .cse9 .cse10 .cse11 .cse12 .cse13) .cse7) (or .cse4 (and .cse9 .cse14 .cse10 .cse11 .cse15 .cse12) .cse16 .cse1) (or .cse8 .cse4 .cse1 (and .cse9 .cse14 .cse10 .cse11 .cse12)) (or (not (= 1 |old(~a21~0)|)) .cse0 (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse11 (= 1 ~a21~0) .cse13) .cse1 (not .cse4) (not .cse5) .cse7) (or .cse8 (and .cse14 .cse10 .cse11 .cse12 .cse6) .cse5 .cse1) (or .cse8 .cse16 .cse1 .cse15)))) [2018-11-23 14:07:54,797 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 14:07:54,797 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,797 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,797 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,797 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,797 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 14:07:54,797 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,797 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 14:07:54,798 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 14:07:54,799 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:07:54,800 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 14:07:54,801 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 14:07:54,801 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 14:07:54,801 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 14:07:54,801 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 14:07:54,801 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 14:07:54,801 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 14:07:54,801 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 14:07:54,801 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 14:07:54,801 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 14:07:54,801 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:07:54,801 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (= 1 ~a20~0) (not (= ~a16~0 6)) (= ~a12~0 8) (= 15 ~a8~0) (= 1 ~a17~0)) [2018-11-23 14:07:54,801 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:07:54,802 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:07:54,802 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 8 ~a12~0)) (and (not (= ~a7~0 1)) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0) (= 15 ~a8~0) (= ~a20~0 |old(~a20~0)|) (= 1 ~a17~0)) (not (= 1 |old(~a17~0)|))) [2018-11-23 14:07:54,802 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 14:07:54,802 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (<= ~a21~0 0)) (.cse4 (not (= ~a16~0 6))) (.cse0 (not (= ~a7~0 1))) (.cse1 (= 1 ~a20~0)) (.cse2 (= 1 ~a17~0))) (or (and .cse0 (= 15 ~a8~0)) (= 6 |old(~a16~0)|) (and .cse1 (= 4 ~a16~0) (= 1 ~a21~0) .cse2) (not (= 8 ~a12~0)) (and .cse3 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse4 (not (= ~a8~0 13))) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse3 .cse1) (and .cse0 .cse4) (and .cse0 .cse1 .cse2))) [2018-11-23 14:07:54,802 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 14:07:54,802 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 14:07:54,802 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (<= ~a21~0 0)) (.cse4 (not (= ~a16~0 6))) (.cse0 (not (= ~a7~0 1))) (.cse1 (= 1 ~a20~0)) (.cse2 (= 1 ~a17~0))) (or (and .cse0 (= 15 ~a8~0)) (= 6 |old(~a16~0)|) (and .cse1 (= 4 ~a16~0) (= 1 ~a21~0) .cse2) (not (= 8 ~a12~0)) (and .cse3 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse4 (not (= ~a8~0 13))) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse3 .cse1) (and .cse0 .cse4) (and .cse0 .cse1 .cse2))) [2018-11-23 14:07:54,802 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 14:07:54,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:07:54 BoogieIcfgContainer [2018-11-23 14:07:54,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:07:54,821 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:07:54,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:07:54,821 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:07:54,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:48" (3/4) ... [2018-11-23 14:07:54,825 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:07:54,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:07:54,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 14:07:54,832 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:07:54,840 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 14:07:54,841 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 14:07:54,865 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(a7 == 1) && 15 == a8) || 6 == \old(a16)) || (((1 == a20 && 4 == a16) && 1 == a21) && 1 == a17)) || !(8 == a12)) || (a21 <= 0 && !(a16 == 6))) || !(1 == \old(a17))) || (!(a16 == 6) && !(a8 == 13))) || 1 == \old(a7)) || !(1 == \old(a20))) || !(15 == \old(a8))) || (a21 <= 0 && 1 == a20)) || (!(a7 == 1) && !(a16 == 6))) || ((!(a7 == 1) && 1 == a20) && 1 == a17) [2018-11-23 14:07:54,943 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f325462-b385-4c7b-9c33-57f4df0bf7dd/bin-2019/uautomizer/witness.graphml [2018-11-23 14:07:54,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:07:54,944 INFO L168 Benchmark]: Toolchain (without parser) took 7525.37 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 240.6 MB). Free memory was 951.2 MB in the beginning and 1.0 GB in the end (delta: -70.7 MB). Peak memory consumption was 170.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:07:54,945 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:07:54,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 916.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:07:54,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -212.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:07:54,946 INFO L168 Benchmark]: Boogie Preprocessor took 50.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:07:54,946 INFO L168 Benchmark]: RCFGBuilder took 812.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:07:54,946 INFO L168 Benchmark]: TraceAbstraction took 6109.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -16.8 MB). Peak memory consumption was 87.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:07:54,947 INFO L168 Benchmark]: Witness Printer took 122.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:07:54,951 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 916.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -212.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 812.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6109.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -16.8 MB). Peak memory consumption was 87.6 MB. Max. memory is 11.5 GB. * Witness Printer took 122.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((!(a7 == 1) && 15 == a8) || 6 == \old(a16)) || (((1 == a20 && 4 == a16) && 1 == a21) && 1 == a17)) || !(8 == a12)) || (a21 <= 0 && !(a16 == 6))) || !(1 == \old(a17))) || (!(a16 == 6) && !(a8 == 13))) || 1 == \old(a7)) || !(1 == \old(a20))) || !(15 == \old(a8))) || (a21 <= 0 && 1 == a20)) || (!(a7 == 1) && !(a16 == 6))) || ((!(a7 == 1) && 1 == a20) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 6.0s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 617 SDtfs, 2558 SDslu, 537 SDs, 0 SdLazy, 4597 SolverSat, 992 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 196 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2777occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 48 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 85 PreInvPairs, 169 NumberOfFragments, 513 HoareAnnotationTreeSize, 85 FomulaSimplifications, 2134 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 901 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1073 NumberOfCodeBlocks, 1073 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1066 ConstructedInterpolants, 0 QuantifiedInterpolants, 732734 SizeOfPredicates, 2 NumberOfNonLiveVariables, 458 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 152/181 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...