./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_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_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/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 16d1e07abe3d8baa61b9a8d494202a7664f873bb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:42:41,870 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:42:41,871 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:42:41,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:42:41,878 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:42:41,879 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:42:41,880 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:42:41,882 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:42:41,883 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:42:41,884 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:42:41,885 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:42:41,885 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:42:41,886 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:42:41,886 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:42:41,887 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:42:41,887 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:42:41,888 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:42:41,889 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:42:41,891 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:42:41,892 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:42:41,893 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:42:41,894 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:42:41,895 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:42:41,895 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:42:41,896 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:42:41,896 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:42:41,897 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:42:41,897 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:42:41,898 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:42:41,899 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:42:41,899 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:42:41,899 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:42:41,900 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:42:41,900 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:42:41,901 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:42:41,901 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:42:41,901 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 09:42:41,909 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:42:41,910 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:42:41,910 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:42:41,911 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 09:42:41,911 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 09:42:41,911 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 09:42:41,911 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 09:42:41,912 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:42:41,912 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:42:41,912 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:42:41,912 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:42:41,912 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:42:41,912 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:42:41,913 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:42:41,913 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:42:41,913 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:42:41,913 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:42:41,913 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:42:41,913 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:42:41,913 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:42:41,914 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 09:42:41,914 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:42:41,914 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 09:42:41,914 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:42:41,914 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:42:41,914 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:42:41,915 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:42:41,915 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 09:42:41,915 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:42:41,915 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:42:41,915 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_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/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 -> 16d1e07abe3d8baa61b9a8d494202a7664f873bb [2018-11-23 09:42:41,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:42:41,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:42:41,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:42:41,954 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:42:41,955 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:42:41,955 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-23 09:42:41,996 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/data/37e78037e/fd7723e88bed47d09fb60ff85b4022a2/FLAGf7e08bf35 [2018-11-23 09:42:42,432 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:42:42,432 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-23 09:42:42,442 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/data/37e78037e/fd7723e88bed47d09fb60ff85b4022a2/FLAGf7e08bf35 [2018-11-23 09:42:42,788 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/data/37e78037e/fd7723e88bed47d09fb60ff85b4022a2 [2018-11-23 09:42:42,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:42:42,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:42:42,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:42:42,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:42:42,796 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:42:42,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:42:42" (1/1) ... [2018-11-23 09:42:42,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f375ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:42, skipping insertion in model container [2018-11-23 09:42:42,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:42:42" (1/1) ... [2018-11-23 09:42:42,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:42:42,847 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:42:43,111 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:42:43,115 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:42:43,188 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:42:43,199 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:42:43,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:43 WrapperNode [2018-11-23 09:42:43,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:42:43,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:42:43,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:42:43,200 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:42:43,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:43" (1/1) ... [2018-11-23 09:42:43,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:43" (1/1) ... [2018-11-23 09:42:43,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:42:43,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:42:43,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:42:43,296 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:42:43,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:43" (1/1) ... [2018-11-23 09:42:43,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:43" (1/1) ... [2018-11-23 09:42:43,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:43" (1/1) ... [2018-11-23 09:42:43,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:43" (1/1) ... [2018-11-23 09:42:43,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:43" (1/1) ... [2018-11-23 09:42:43,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:43" (1/1) ... [2018-11-23 09:42:43,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:43" (1/1) ... [2018-11-23 09:42:43,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:42:43,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:42:43,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:42:43,355 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:42:43,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/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 09:42:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 09:42:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 09:42:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 09:42:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 09:42:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 09:42:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:42:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:42:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 09:42:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 09:42:44,213 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:42:44,214 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 09:42:44,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:42:44 BoogieIcfgContainer [2018-11-23 09:42:44,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:42:44,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 09:42:44,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 09:42:44,217 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 09:42:44,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:42:42" (1/3) ... [2018-11-23 09:42:44,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb41759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:42:44, skipping insertion in model container [2018-11-23 09:42:44,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:43" (2/3) ... [2018-11-23 09:42:44,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb41759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:42:44, skipping insertion in model container [2018-11-23 09:42:44,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:42:44" (3/3) ... [2018-11-23 09:42:44,220 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label08_true-unreach-call_false-termination.c [2018-11-23 09:42:44,228 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 09:42:44,233 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 09:42:44,245 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 09:42:44,271 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 09:42:44,272 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 09:42:44,272 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 09:42:44,272 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 09:42:44,272 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 09:42:44,272 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 09:42:44,272 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 09:42:44,273 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 09:42:44,273 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 09:42:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 09:42:44,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 09:42:44,301 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:42:44,302 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] [2018-11-23 09:42:44,305 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:42:44,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:42:44,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1920403729, now seen corresponding path program 1 times [2018-11-23 09:42:44,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:42:44,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:42:44,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:44,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:42:44,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:44,647 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 09:42:44,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:42:44,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:42:44,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 09:42:44,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:42:44,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:42:44,665 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 09:42:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:42:45,306 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 09:42:45,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 09:42:45,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2018-11-23 09:42:45,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:42:45,320 INFO L225 Difference]: With dead ends: 547 [2018-11-23 09:42:45,320 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 09:42:45,324 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 09:42:45,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 09:42:45,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 09:42:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 09:42:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 551 transitions. [2018-11-23 09:42:45,380 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 551 transitions. Word has length 119 [2018-11-23 09:42:45,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:42:45,381 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 551 transitions. [2018-11-23 09:42:45,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 09:42:45,381 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 551 transitions. [2018-11-23 09:42:45,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 09:42:45,386 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:42:45,386 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] [2018-11-23 09:42:45,387 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:42:45,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:42:45,387 INFO L82 PathProgramCache]: Analyzing trace with hash 10659704, now seen corresponding path program 1 times [2018-11-23 09:42:45,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:42:45,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:42:45,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:45,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:42:45,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:45,471 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 09:42:45,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:42:45,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 09:42:45,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:42:45,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:42:45,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:42:45,474 INFO L87 Difference]: Start difference. First operand 338 states and 551 transitions. Second operand 6 states. [2018-11-23 09:42:46,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:42:46,202 INFO L93 Difference]: Finished difference Result 1067 states and 1827 transitions. [2018-11-23 09:42:46,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 09:42:46,205 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-11-23 09:42:46,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:42:46,210 INFO L225 Difference]: With dead ends: 1067 [2018-11-23 09:42:46,210 INFO L226 Difference]: Without dead ends: 735 [2018-11-23 09:42:46,212 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 09:42:46,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-11-23 09:42:46,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 720. [2018-11-23 09:42:46,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-23 09:42:46,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1141 transitions. [2018-11-23 09:42:46,245 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1141 transitions. Word has length 129 [2018-11-23 09:42:46,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:42:46,245 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 1141 transitions. [2018-11-23 09:42:46,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:42:46,245 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1141 transitions. [2018-11-23 09:42:46,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 09:42:46,249 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:42:46,250 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] [2018-11-23 09:42:46,250 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:42:46,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:42:46,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1525536778, now seen corresponding path program 1 times [2018-11-23 09:42:46,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:42:46,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:42:46,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:46,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:42:46,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:46,514 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 09:42:46,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:42:46,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 09:42:46,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 09:42:46,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 09:42:46,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 09:42:46,516 INFO L87 Difference]: Start difference. First operand 720 states and 1141 transitions. Second operand 5 states. [2018-11-23 09:42:47,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:42:47,154 INFO L93 Difference]: Finished difference Result 1569 states and 2524 transitions. [2018-11-23 09:42:47,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 09:42:47,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-11-23 09:42:47,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:42:47,160 INFO L225 Difference]: With dead ends: 1569 [2018-11-23 09:42:47,160 INFO L226 Difference]: Without dead ends: 717 [2018-11-23 09:42:47,163 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 09:42:47,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-11-23 09:42:47,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2018-11-23 09:42:47,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2018-11-23 09:42:47,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1065 transitions. [2018-11-23 09:42:47,186 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1065 transitions. Word has length 130 [2018-11-23 09:42:47,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:42:47,187 INFO L480 AbstractCegarLoop]: Abstraction has 717 states and 1065 transitions. [2018-11-23 09:42:47,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 09:42:47,187 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1065 transitions. [2018-11-23 09:42:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 09:42:47,190 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:42:47,190 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 09:42:47,190 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:42:47,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:42:47,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1052025540, now seen corresponding path program 1 times [2018-11-23 09:42:47,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:42:47,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:42:47,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:47,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:42:47,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:42:47,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:42:47,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 09:42:47,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 09:42:47,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 09:42:47,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 09:42:47,461 INFO L87 Difference]: Start difference. First operand 717 states and 1065 transitions. Second operand 5 states. [2018-11-23 09:42:48,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:42:48,050 INFO L93 Difference]: Finished difference Result 1563 states and 2356 transitions. [2018-11-23 09:42:48,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 09:42:48,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-11-23 09:42:48,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:42:48,053 INFO L225 Difference]: With dead ends: 1563 [2018-11-23 09:42:48,053 INFO L226 Difference]: Without dead ends: 716 [2018-11-23 09:42:48,056 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 09:42:48,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2018-11-23 09:42:48,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2018-11-23 09:42:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2018-11-23 09:42:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1058 transitions. [2018-11-23 09:42:48,072 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1058 transitions. Word has length 131 [2018-11-23 09:42:48,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:42:48,072 INFO L480 AbstractCegarLoop]: Abstraction has 716 states and 1058 transitions. [2018-11-23 09:42:48,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 09:42:48,072 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1058 transitions. [2018-11-23 09:42:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 09:42:48,074 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:42:48,074 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] [2018-11-23 09:42:48,074 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:42:48,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:42:48,075 INFO L82 PathProgramCache]: Analyzing trace with hash -866015874, now seen corresponding path program 1 times [2018-11-23 09:42:48,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:42:48,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:42:48,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:48,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:42:48,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:48,143 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 09:42:48,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:42:48,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:42:48,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 09:42:48,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:42:48,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:42:48,144 INFO L87 Difference]: Start difference. First operand 716 states and 1058 transitions. Second operand 3 states. [2018-11-23 09:42:48,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:42:48,470 INFO L93 Difference]: Finished difference Result 1871 states and 2809 transitions. [2018-11-23 09:42:48,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 09:42:48,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2018-11-23 09:42:48,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:42:48,475 INFO L225 Difference]: With dead ends: 1871 [2018-11-23 09:42:48,475 INFO L226 Difference]: Without dead ends: 1161 [2018-11-23 09:42:48,477 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 09:42:48,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2018-11-23 09:42:48,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1157. [2018-11-23 09:42:48,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1157 states. [2018-11-23 09:42:48,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1585 transitions. [2018-11-23 09:42:48,500 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1585 transitions. Word has length 134 [2018-11-23 09:42:48,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:42:48,500 INFO L480 AbstractCegarLoop]: Abstraction has 1157 states and 1585 transitions. [2018-11-23 09:42:48,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 09:42:48,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1585 transitions. [2018-11-23 09:42:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 09:42:48,504 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:42:48,504 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] [2018-11-23 09:42:48,504 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:42:48,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:42:48,505 INFO L82 PathProgramCache]: Analyzing trace with hash -494413009, now seen corresponding path program 1 times [2018-11-23 09:42:48,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:42:48,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:42:48,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:48,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:42:48,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:48,600 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 09:42:48,601 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:42:48,601 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/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 09:42:48,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:42:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:48,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:42:48,791 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 09:42:48,809 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 09:42:48,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-23 09:42:48,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 09:42:48,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 09:42:48,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:42:48,810 INFO L87 Difference]: Start difference. First operand 1157 states and 1585 transitions. Second operand 8 states. [2018-11-23 09:42:50,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:42:50,203 INFO L93 Difference]: Finished difference Result 3815 states and 5748 transitions. [2018-11-23 09:42:50,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 09:42:50,204 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2018-11-23 09:42:50,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:42:50,215 INFO L225 Difference]: With dead ends: 3815 [2018-11-23 09:42:50,215 INFO L226 Difference]: Without dead ends: 2664 [2018-11-23 09:42:50,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-23 09:42:50,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2018-11-23 09:42:50,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2296. [2018-11-23 09:42:50,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2296 states. [2018-11-23 09:42:50,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 3033 transitions. [2018-11-23 09:42:50,303 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 3033 transitions. Word has length 165 [2018-11-23 09:42:50,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:42:50,304 INFO L480 AbstractCegarLoop]: Abstraction has 2296 states and 3033 transitions. [2018-11-23 09:42:50,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 09:42:50,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 3033 transitions. [2018-11-23 09:42:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 09:42:50,312 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:42:50,312 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:50,312 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:42:50,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:42:50,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1777312675, now seen corresponding path program 1 times [2018-11-23 09:42:50,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:42:50,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:42:50,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:50,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:42:50,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:42:50,431 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:42:50,431 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 09:42:50,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:42:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:50,495 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:42:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 09:42:50,560 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 09:42:50,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-23 09:42:50,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 09:42:50,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 09:42:50,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:42:50,561 INFO L87 Difference]: Start difference. First operand 2296 states and 3033 transitions. Second operand 8 states. [2018-11-23 09:42:51,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:42:51,796 INFO L93 Difference]: Finished difference Result 7589 states and 10718 transitions. [2018-11-23 09:42:51,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 09:42:51,797 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 185 [2018-11-23 09:42:51,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:42:51,812 INFO L225 Difference]: With dead ends: 7589 [2018-11-23 09:42:51,812 INFO L226 Difference]: Without dead ends: 5299 [2018-11-23 09:42:51,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2018-11-23 09:42:51,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5299 states. [2018-11-23 09:42:51,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5299 to 5202. [2018-11-23 09:42:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5202 states. [2018-11-23 09:42:51,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5202 states to 5202 states and 6592 transitions. [2018-11-23 09:42:51,906 INFO L78 Accepts]: Start accepts. Automaton has 5202 states and 6592 transitions. Word has length 185 [2018-11-23 09:42:51,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:42:51,906 INFO L480 AbstractCegarLoop]: Abstraction has 5202 states and 6592 transitions. [2018-11-23 09:42:51,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 09:42:51,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5202 states and 6592 transitions. [2018-11-23 09:42:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-23 09:42:51,916 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:42:51,916 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:51,916 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:42:51,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:42:51,917 INFO L82 PathProgramCache]: Analyzing trace with hash -168440494, now seen corresponding path program 1 times [2018-11-23 09:42:51,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:42:51,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:42:51,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:51,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:42:51,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:42:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:52,032 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 139 proven. 69 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 09:42:52,032 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:42:52,032 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 09:42:52,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:42:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:52,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:42:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 09:42:52,195 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 09:42:52,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2018-11-23 09:42:52,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 09:42:52,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 09:42:52,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 09:42:52,196 INFO L87 Difference]: Start difference. First operand 5202 states and 6592 transitions. Second operand 11 states. [2018-11-23 09:42:53,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:42:53,488 INFO L93 Difference]: Finished difference Result 8726 states and 11055 transitions. [2018-11-23 09:42:53,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 09:42:53,489 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2018-11-23 09:42:53,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:42:53,489 INFO L225 Difference]: With dead ends: 8726 [2018-11-23 09:42:53,490 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 09:42:53,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2018-11-23 09:42:53,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 09:42:53,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 09:42:53,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 09:42:53,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 09:42:53,511 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 239 [2018-11-23 09:42:53,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:42:53,511 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:42:53,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 09:42:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 09:42:53,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 09:42:53,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 09:42:53,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:53,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:42:54,307 WARN L180 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2018-11-23 09:42:54,547 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2018-11-23 09:42:54,703 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2018-11-23 09:42:54,705 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:42:54,705 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-11-23 09:42:54,705 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:42:54,706 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 09:42:54,706 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 09:42:54,706 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,706 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,706 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,706 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,706 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,706 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,706 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 09:42:54,706 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 09:42:54,707 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 09:42:54,707 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 09:42:54,707 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 09:42:54,707 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 09:42:54,707 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 09:42:54,707 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 09:42:54,707 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 09:42:54,707 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 09:42:54,707 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,707 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,707 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,708 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,708 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,708 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,708 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 09:42:54,708 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 09:42:54,708 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 09:42:54,708 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 09:42:54,708 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 09:42:54,708 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 09:42:54,708 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 09:42:54,708 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 09:42:54,708 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 09:42:54,709 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 09:42:54,710 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 09:42:54,710 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 09:42:54,710 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 09:42:54,710 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 09:42:54,710 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 09:42:54,710 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 09:42:54,710 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2018-11-23 09:42:54,710 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 09:42:54,710 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,710 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,710 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,711 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,711 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,711 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 09:42:54,711 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 09:42:54,711 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 09:42:54,711 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 09:42:54,711 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 09:42:54,711 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 09:42:54,711 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 09:42:54,711 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 09:42:54,711 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 09:42:54,712 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 09:42:54,712 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 09:42:54,712 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 09:42:54,712 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 09:42:54,712 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,712 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,712 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,712 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,712 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,712 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 09:42:54,712 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 09:42:54,712 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 09:42:54,713 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 09:42:54,713 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 09:42:54,713 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 09:42:54,713 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 09:42:54,713 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 09:42:54,713 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 09:42:54,713 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,713 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,713 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,713 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,713 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,713 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 09:42:54,714 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 09:42:54,715 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 09:42:54,715 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 09:42:54,715 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,715 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,715 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,715 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,715 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,715 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 09:42:54,715 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 09:42:54,715 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 09:42:54,715 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 09:42:54,715 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 09:42:54,716 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 09:42:54,716 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 09:42:54,716 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 09:42:54,716 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,716 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,716 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,716 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,716 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,716 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 09:42:54,716 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 09:42:54,716 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 09:42:54,716 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 09:42:54,717 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 09:42:54,717 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 09:42:54,717 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 09:42:54,717 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 09:42:54,717 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 09:42:54,717 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 09:42:54,717 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse11 (= 13 |old(~a8~0)|)) (.cse22 (= 1 |old(~a7~0)|))) (let ((.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse2 (< 0 |old(~a7~0)|)) (.cse12 (not (= ~a8~0 13))) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse5 (<= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a20~0 |old(~a20~0)|)) (.cse0 (= 6 |old(~a16~0)|)) (.cse14 (= 1 ~a7~0)) (.cse13 (not .cse22)) (.cse16 (not (= 1 |old(~a21~0)|))) (.cse8 (not (= 1 |old(~a20~0)|))) (.cse17 (not (= 4 |old(~a16~0)|))) (.cse1 (not (= 8 ~a12~0))) (.cse18 (= 1 ~a20~0)) (.cse19 (= 13 ~a8~0)) (.cse6 (= |old(~a16~0)| ~a16~0)) (.cse20 (= 1 ~a21~0)) (.cse9 (= 1 ~a17~0)) (.cse21 (not .cse11)) (.cse10 (not (= 1 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7)) (or .cse8 (and .cse3 .cse5 .cse6 .cse7 .cse9) .cse1 .cse2 .cse10) (or .cse11 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse12) .cse1 .cse2) (or .cse0 .cse11 .cse1 .cse13 (and .cse14 .cse4 .cse5 .cse6 .cse7 .cse12)) (or (and .cse14 (and .cse4 .cse5 .cse6) .cse7) .cse13 (let ((.cse15 (< 0 |old(~a21~0)|))) (and (or .cse0 .cse1 .cse15) (or .cse8 .cse1 .cse15)))) (or .cse16 .cse8 .cse17 (and .cse14 .cse18 .cse19 .cse6 .cse20 .cse9) .cse1 .cse13 .cse21 .cse10) (or .cse16 .cse22 .cse8 .cse17 .cse1 (and (not (= ~a7~0 1)) .cse18 .cse19 .cse6 .cse20 .cse9) .cse21 .cse10)))) [2018-11-23 09:42:54,717 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 09:42:54,718 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,718 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,718 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,718 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,718 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 09:42:54,718 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,718 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,718 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 09:42:54,718 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 09:42:54,718 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 09:42:54,718 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 09:42:54,718 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,719 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 09:42:54,720 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 09:42:54,721 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 09:42:54,722 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 09:42:54,722 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 09:42:54,722 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 09:42:54,722 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 09:42:54,722 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:42:54,722 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= ~a12~0 8) (<= ~a7~0 0) (not (= ~a8~0 13)) (= 1 ~a17~0)) [2018-11-23 09:42:54,722 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 09:42:54,722 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:42:54,722 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (and (= |old(~a16~0)| ~a16~0) (not (= ~a8~0 13)) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|)) (not (= 8 ~a12~0)) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-23 09:42:54,722 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 09:42:54,723 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6))) (.cse5 (not (= ~a8~0 13))) (.cse2 (= 1 ~a20~0)) (.cse6 (<= ~a7~0 0)) (.cse4 (= 1 ~a17~0))) (or (and .cse0 (let ((.cse1 (<= ~a21~0 0))) (or (and .cse1 .cse2) (and .cse1 .cse3)))) (and .cse2 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) .cse4) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse3 .cse5) (and .cse3 .cse6) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (and .cse5 .cse6) (= 13 |old(~a8~0)|) (not (= 1 |old(~a17~0)|)) (and .cse2 .cse6 .cse4))) [2018-11-23 09:42:54,723 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 09:42:54,723 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 09:42:54,723 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6))) (.cse5 (not (= ~a8~0 13))) (.cse2 (= 1 ~a20~0)) (.cse6 (<= ~a7~0 0)) (.cse4 (= 1 ~a17~0))) (or (and .cse0 (let ((.cse1 (<= ~a21~0 0))) (or (and .cse1 .cse2) (and .cse1 .cse3)))) (and .cse2 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) .cse4) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse3 .cse5) (and .cse3 .cse6) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (and .cse5 .cse6) (= 13 |old(~a8~0)|) (not (= 1 |old(~a17~0)|)) (and .cse2 .cse6 .cse4))) [2018-11-23 09:42:54,723 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 09:42:54,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:42:54 BoogieIcfgContainer [2018-11-23 09:42:54,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 09:42:54,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:42:54,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:42:54,745 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:42:54,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:42:44" (3/4) ... [2018-11-23 09:42:54,749 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 09:42:54,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 09:42:54,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 09:42:54,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 09:42:54,769 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 09:42:54,770 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 09:42:54,799 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1 == a7 && ((a21 <= 0 && 1 == a20) || (a21 <= 0 && !(a16 == 6)))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || !(8 == a12)) || !(1 == \old(a20))) || ((1 == a7 && !(a16 == 6)) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || 0 < \old(a7)) || 6 == \old(a16)) || (!(a8 == 13) && a7 <= 0)) || 13 == \old(a8)) || !(1 == \old(a17))) || ((1 == a20 && a7 <= 0) && 1 == a17) [2018-11-23 09:42:54,890 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_76b5ef9f-17cc-4aa9-9430-c77fcedc755d/bin-2019/uautomizer/witness.graphml [2018-11-23 09:42:54,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:42:54,892 INFO L168 Benchmark]: Toolchain (without parser) took 12100.38 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 356.5 MB). Free memory was 956.6 MB in the beginning and 864.0 MB in the end (delta: 92.6 MB). Peak memory consumption was 449.1 MB. Max. memory is 11.5 GB. [2018-11-23 09:42:54,892 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:42:54,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.09 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 09:42:54,893 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 924.4 MB in the beginning and 1.1 GB in the end (delta: -207.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-23 09:42:54,893 INFO L168 Benchmark]: Boogie Preprocessor took 59.36 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 09:42:54,893 INFO L168 Benchmark]: RCFGBuilder took 859.03 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: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. [2018-11-23 09:42:54,894 INFO L168 Benchmark]: TraceAbstraction took 10529.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 220.2 MB). Free memory was 1.0 GB in the beginning and 883.4 MB in the end (delta: 141.8 MB). Peak memory consumption was 362.0 MB. Max. memory is 11.5 GB. [2018-11-23 09:42:54,894 INFO L168 Benchmark]: Witness Printer took 145.88 ms. Allocated memory is still 1.4 GB. Free memory was 883.4 MB in the beginning and 864.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-23 09:42:54,896 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 407.09 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 924.4 MB in the beginning and 1.1 GB in the end (delta: -207.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.36 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 859.03 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: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10529.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 220.2 MB). Free memory was 1.0 GB in the beginning and 883.4 MB in the end (delta: 141.8 MB). Peak memory consumption was 362.0 MB. Max. memory is 11.5 GB. * Witness Printer took 145.88 ms. Allocated memory is still 1.4 GB. Free memory was 883.4 MB in the beginning and 864.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: 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: (((((((((((1 == a7 && ((a21 <= 0 && 1 == a20) || (a21 <= 0 && !(a16 == 6)))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || !(8 == a12)) || !(1 == \old(a20))) || ((1 == a7 && !(a16 == 6)) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || 0 < \old(a7)) || 6 == \old(a16)) || (!(a8 == 13) && a7 <= 0)) || 13 == \old(a8)) || !(1 == \old(a17))) || ((1 == a20 && a7 <= 0) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 10.4s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 6.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 729 SDtfs, 6988 SDslu, 923 SDs, 0 SdLazy, 7967 SolverSat, 1682 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 711 GetRequests, 625 SyntacticMatches, 9 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5202occurred in iteration=7, 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 484 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 109 PreInvPairs, 185 NumberOfFragments, 548 HoareAnnotationTreeSize, 109 FomulaSimplifications, 8864 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2089 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1821 NumberOfCodeBlocks, 1821 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1810 ConstructedInterpolants, 0 QuantifiedInterpolants, 1220905 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1594 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 606/762 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...