./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/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 0db867b83f4df60c5aafa7e1ef5bcec7ce49962a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:12:37,873 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:12:37,874 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:12:37,881 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:12:37,882 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:12:37,882 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:12:37,883 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:12:37,884 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:12:37,885 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:12:37,886 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:12:37,886 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:12:37,886 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:12:37,887 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:12:37,888 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:12:37,888 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:12:37,889 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:12:37,889 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:12:37,891 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:12:37,892 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:12:37,893 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:12:37,893 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:12:37,894 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:12:37,896 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:12:37,896 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:12:37,896 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:12:37,897 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:12:37,897 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:12:37,898 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:12:37,898 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:12:37,899 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:12:37,899 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:12:37,900 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:12:37,900 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:12:37,900 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:12:37,901 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:12:37,901 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:12:37,901 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 10:12:37,911 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:12:37,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:12:37,912 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:12:37,912 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:12:37,912 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:12:37,912 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:12:37,912 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 10:12:37,913 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:12:37,913 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:12:37,913 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:12:37,913 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:12:37,913 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:12:37,913 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:12:37,913 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:12:37,914 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:12:37,914 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:12:37,914 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:12:37,914 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:12:37,914 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:12:37,914 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:12:37,915 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:12:37,915 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:12:37,915 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:12:37,915 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:12:37,915 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:12:37,915 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:12:37,915 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 10:12:37,916 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:12:37,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:12:37,916 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_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/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 -> 0db867b83f4df60c5aafa7e1ef5bcec7ce49962a [2018-11-10 10:12:37,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:12:37,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:12:37,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:12:37,950 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:12:37,951 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:12:37,951 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c [2018-11-10 10:12:37,989 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/data/c89020ffc/926b24fe372a45a9a4f2488db90ee934/FLAG1475ea783 [2018-11-10 10:12:38,328 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:12:38,329 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c [2018-11-10 10:12:38,337 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/data/c89020ffc/926b24fe372a45a9a4f2488db90ee934/FLAG1475ea783 [2018-11-10 10:12:38,347 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/data/c89020ffc/926b24fe372a45a9a4f2488db90ee934 [2018-11-10 10:12:38,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:12:38,351 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 10:12:38,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:12:38,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:12:38,354 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:12:38,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:12:38" (1/1) ... [2018-11-10 10:12:38,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae94ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:38, skipping insertion in model container [2018-11-10 10:12:38,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:12:38" (1/1) ... [2018-11-10 10:12:38,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:12:38,394 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:12:38,619 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:12:38,621 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:12:38,690 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:12:38,702 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:12:38,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:38 WrapperNode [2018-11-10 10:12:38,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:12:38,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:12:38,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:12:38,703 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:12:38,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:38" (1/1) ... [2018-11-10 10:12:38,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:38" (1/1) ... [2018-11-10 10:12:38,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:38" (1/1) ... [2018-11-10 10:12:38,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:38" (1/1) ... [2018-11-10 10:12:38,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:38" (1/1) ... [2018-11-10 10:12:38,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:38" (1/1) ... [2018-11-10 10:12:38,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:38" (1/1) ... [2018-11-10 10:12:38,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:12:38,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:12:38,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:12:38,822 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:12:38,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/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 [2018-11-10 10:12:38,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:12:38,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:12:38,870 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 10:12:38,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:12:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 10:12:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 10:12:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 10:12:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 10:12:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:12:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:12:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:12:39,940 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:12:39,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:12:39 BoogieIcfgContainer [2018-11-10 10:12:39,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:12:39,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:12:39,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:12:39,944 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:12:39,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:12:38" (1/3) ... [2018-11-10 10:12:39,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@386b9d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:12:39, skipping insertion in model container [2018-11-10 10:12:39,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:12:38" (2/3) ... [2018-11-10 10:12:39,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@386b9d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:12:39, skipping insertion in model container [2018-11-10 10:12:39,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:12:39" (3/3) ... [2018-11-10 10:12:39,947 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label00_true-unreach-call.c [2018-11-10 10:12:39,955 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:12:39,962 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:12:39,976 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:12:39,999 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:12:40,000 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:12:40,000 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:12:40,000 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:12:40,000 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:12:40,000 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:12:40,001 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:12:40,001 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:12:40,001 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:12:40,019 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-10 10:12:40,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 10:12:40,025 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:40,026 INFO L375 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] [2018-11-10 10:12:40,028 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:40,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:40,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1416877404, now seen corresponding path program 1 times [2018-11-10 10:12:40,032 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:12:40,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:12:40,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:40,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:40,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:40,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:12:40,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:12:40,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:12:40,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:12:40,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:12:40,272 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-10 10:12:40,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:40,936 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-10 10:12:40,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:12:40,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-10 10:12:40,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:40,946 INFO L225 Difference]: With dead ends: 574 [2018-11-10 10:12:40,947 INFO L226 Difference]: Without dead ends: 356 [2018-11-10 10:12:40,950 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:12:40,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-10 10:12:40,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-10 10:12:40,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-10 10:12:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-10 10:12:40,995 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 54 [2018-11-10 10:12:40,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:40,996 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-10 10:12:40,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:12:40,996 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-10 10:12:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 10:12:41,001 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:41,001 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:12:41,003 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:41,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:41,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1936663800, now seen corresponding path program 1 times [2018-11-10 10:12:41,003 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:12:41,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:12:41,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:41,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:41,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:41,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:12:41,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 10:12:41,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 10:12:41,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 10:12:41,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:12:41,203 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 4 states. [2018-11-10 10:12:41,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:41,972 INFO L93 Difference]: Finished difference Result 1282 states and 2328 transitions. [2018-11-10 10:12:41,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 10:12:41,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2018-11-10 10:12:41,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:41,986 INFO L225 Difference]: With dead ends: 1282 [2018-11-10 10:12:41,986 INFO L226 Difference]: Without dead ends: 932 [2018-11-10 10:12:41,989 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:12:41,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-11-10 10:12:42,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2018-11-10 10:12:42,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-11-10 10:12:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1469 transitions. [2018-11-10 10:12:42,026 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1469 transitions. Word has length 174 [2018-11-10 10:12:42,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:42,027 INFO L481 AbstractCegarLoop]: Abstraction has 932 states and 1469 transitions. [2018-11-10 10:12:42,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 10:12:42,027 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1469 transitions. [2018-11-10 10:12:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-10 10:12:42,033 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:42,033 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:12:42,033 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:42,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:42,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1693717853, now seen corresponding path program 1 times [2018-11-10 10:12:42,034 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:12:42,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:12:42,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:42,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:42,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:42,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:12:42,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 10:12:42,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:12:42,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:12:42,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:12:42,216 INFO L87 Difference]: Start difference. First operand 932 states and 1469 transitions. Second operand 6 states. [2018-11-10 10:12:43,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:43,247 INFO L93 Difference]: Finished difference Result 2162 states and 3509 transitions. [2018-11-10 10:12:43,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 10:12:43,247 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2018-11-10 10:12:43,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:43,255 INFO L225 Difference]: With dead ends: 2162 [2018-11-10 10:12:43,255 INFO L226 Difference]: Without dead ends: 1236 [2018-11-10 10:12:43,260 INFO L605 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 [2018-11-10 10:12:43,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2018-11-10 10:12:43,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1216. [2018-11-10 10:12:43,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2018-11-10 10:12:43,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1766 transitions. [2018-11-10 10:12:43,298 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1766 transitions. Word has length 181 [2018-11-10 10:12:43,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:43,298 INFO L481 AbstractCegarLoop]: Abstraction has 1216 states and 1766 transitions. [2018-11-10 10:12:43,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:12:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1766 transitions. [2018-11-10 10:12:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-10 10:12:43,304 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:43,305 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-10 10:12:43,305 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:43,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:43,305 INFO L82 PathProgramCache]: Analyzing trace with hash -200482757, now seen corresponding path program 1 times [2018-11-10 10:12:43,305 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:12:43,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:12:43,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:43,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:43,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 94 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:12:43,470 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:12:43,470 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/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 [2018-11-10 10:12:43,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:43,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:43,683 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 10:12:43,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 10:12:43,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-10 10:12:43,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 10:12:43,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 10:12:43,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-10 10:12:43,711 INFO L87 Difference]: Start difference. First operand 1216 states and 1766 transitions. Second operand 9 states. [2018-11-10 10:12:46,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:46,237 INFO L93 Difference]: Finished difference Result 4980 states and 7733 transitions. [2018-11-10 10:12:46,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-10 10:12:46,238 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 251 [2018-11-10 10:12:46,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:46,259 INFO L225 Difference]: With dead ends: 4980 [2018-11-10 10:12:46,259 INFO L226 Difference]: Without dead ends: 3770 [2018-11-10 10:12:46,274 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 269 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=634, Unknown=0, NotChecked=0, Total=812 [2018-11-10 10:12:46,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3770 states. [2018-11-10 10:12:46,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3770 to 3608. [2018-11-10 10:12:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3608 states. [2018-11-10 10:12:46,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3608 states to 3608 states and 4643 transitions. [2018-11-10 10:12:46,370 INFO L78 Accepts]: Start accepts. Automaton has 3608 states and 4643 transitions. Word has length 251 [2018-11-10 10:12:46,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:46,370 INFO L481 AbstractCegarLoop]: Abstraction has 3608 states and 4643 transitions. [2018-11-10 10:12:46,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 10:12:46,370 INFO L276 IsEmpty]: Start isEmpty. Operand 3608 states and 4643 transitions. [2018-11-10 10:12:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-10 10:12:46,383 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:46,383 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-10 10:12:46,383 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:46,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:46,384 INFO L82 PathProgramCache]: Analyzing trace with hash 509477615, now seen corresponding path program 1 times [2018-11-10 10:12:46,384 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:12:46,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:12:46,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:46,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:46,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:46,579 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:46,579 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:12:46,579 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/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 [2018-11-10 10:12:46,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:46,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:46,776 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:12:46,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-10 10:12:46,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 10:12:46,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 10:12:46,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-10 10:12:46,777 INFO L87 Difference]: Start difference. First operand 3608 states and 4643 transitions. Second operand 9 states. [2018-11-10 10:12:48,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:48,096 INFO L93 Difference]: Finished difference Result 12062 states and 18915 transitions. [2018-11-10 10:12:48,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 10:12:48,096 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 261 [2018-11-10 10:12:48,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:48,110 INFO L225 Difference]: With dead ends: 12062 [2018-11-10 10:12:48,110 INFO L226 Difference]: Without dead ends: 2387 [2018-11-10 10:12:48,238 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2018-11-10 10:12:48,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2018-11-10 10:12:48,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2330. [2018-11-10 10:12:48,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2330 states. [2018-11-10 10:12:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3023 transitions. [2018-11-10 10:12:48,302 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3023 transitions. Word has length 261 [2018-11-10 10:12:48,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:48,302 INFO L481 AbstractCegarLoop]: Abstraction has 2330 states and 3023 transitions. [2018-11-10 10:12:48,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 10:12:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3023 transitions. [2018-11-10 10:12:48,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-10 10:12:48,311 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:48,312 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-10 10:12:48,312 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:48,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:48,312 INFO L82 PathProgramCache]: Analyzing trace with hash -42020489, now seen corresponding path program 1 times [2018-11-10 10:12:48,312 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:12:48,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:12:48,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:48,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:48,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 95 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 10:12:48,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:12:48,483 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/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 [2018-11-10 10:12:48,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:48,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:12:48,617 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:12:48,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-10 10:12:48,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 10:12:48,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 10:12:48,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-10 10:12:48,618 INFO L87 Difference]: Start difference. First operand 2330 states and 3023 transitions. Second operand 9 states. [2018-11-10 10:12:49,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:49,066 INFO L93 Difference]: Finished difference Result 4560 states and 5834 transitions. [2018-11-10 10:12:49,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 10:12:49,072 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 297 [2018-11-10 10:12:49,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:49,078 INFO L225 Difference]: With dead ends: 4560 [2018-11-10 10:12:49,078 INFO L226 Difference]: Without dead ends: 2286 [2018-11-10 10:12:49,081 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 297 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-11-10 10:12:49,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2018-11-10 10:12:49,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2232. [2018-11-10 10:12:49,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2232 states. [2018-11-10 10:12:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 2232 states and 2723 transitions. [2018-11-10 10:12:49,112 INFO L78 Accepts]: Start accepts. Automaton has 2232 states and 2723 transitions. Word has length 297 [2018-11-10 10:12:49,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:49,112 INFO L481 AbstractCegarLoop]: Abstraction has 2232 states and 2723 transitions. [2018-11-10 10:12:49,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 10:12:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2232 states and 2723 transitions. [2018-11-10 10:12:49,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-11-10 10:12:49,117 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:49,117 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-10 10:12:49,118 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:49,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:49,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2004825060, now seen corresponding path program 1 times [2018-11-10 10:12:49,118 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:12:49,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:12:49,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:49,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:49,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 331 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-10 10:12:49,292 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:12:49,292 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 10:12:49,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:49,352 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 331 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-10 10:12:49,430 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:12:49,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2018-11-10 10:12:49,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:12:49,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:12:49,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:12:49,431 INFO L87 Difference]: Start difference. First operand 2232 states and 2723 transitions. Second operand 6 states. [2018-11-10 10:12:51,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:12:51,490 INFO L93 Difference]: Finished difference Result 5656 states and 7556 transitions. [2018-11-10 10:12:51,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 10:12:51,490 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 370 [2018-11-10 10:12:51,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:12:51,499 INFO L225 Difference]: With dead ends: 5656 [2018-11-10 10:12:51,499 INFO L226 Difference]: Without dead ends: 3430 [2018-11-10 10:12:51,501 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 374 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2018-11-10 10:12:51,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2018-11-10 10:12:51,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 2995. [2018-11-10 10:12:51,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2018-11-10 10:12:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3680 transitions. [2018-11-10 10:12:51,553 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3680 transitions. Word has length 370 [2018-11-10 10:12:51,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:12:51,554 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3680 transitions. [2018-11-10 10:12:51,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:12:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3680 transitions. [2018-11-10 10:12:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2018-11-10 10:12:51,561 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:12:51,561 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:12:51,561 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:12:51,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:12:51,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1469628719, now seen corresponding path program 1 times [2018-11-10 10:12:51,562 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:12:51,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:12:51,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:51,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:51,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:12:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:51,774 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 344 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 10:12:51,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:12:51,775 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 10:12:51,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:12:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:12:51,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:12:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-10 10:12:52,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 10:12:52,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2018-11-10 10:12:52,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:12:52,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:12:52,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:12:52,017 INFO L87 Difference]: Start difference. First operand 2995 states and 3680 transitions. Second operand 6 states. [2018-11-10 10:13:02,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:13:02,284 INFO L93 Difference]: Finished difference Result 7079 states and 9172 transitions. [2018-11-10 10:13:02,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 10:13:02,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 383 [2018-11-10 10:13:02,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:13:02,285 INFO L225 Difference]: With dead ends: 7079 [2018-11-10 10:13:02,285 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 10:13:02,290 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-10 10:13:02,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 10:13:02,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 10:13:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 10:13:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 10:13:02,290 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 383 [2018-11-10 10:13:02,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:13:02,291 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 10:13:02,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:13:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 10:13:02,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:13:02,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 10:13:02,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,680 WARN L179 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 163 [2018-11-10 10:13:02,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:13:02,939 WARN L179 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 163 [2018-11-10 10:13:03,327 WARN L179 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 57 [2018-11-10 10:13:03,710 WARN L179 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 54 [2018-11-10 10:13:04,109 WARN L179 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 54 [2018-11-10 10:13:04,111 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:13:04,111 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-10 10:13:04,111 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:13:04,111 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-10 10:13:04,111 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,111 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,111 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,112 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,112 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,112 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,112 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-10 10:13:04,112 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-10 10:13:04,112 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-10 10:13:04,112 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-10 10:13:04,112 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-10 10:13:04,112 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-10 10:13:04,112 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-10 10:13:04,112 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-10 10:13:04,113 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-10 10:13:04,114 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-10 10:13:04,114 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-10 10:13:04,114 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-10 10:13:04,114 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-10 10:13:04,114 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-10 10:13:04,114 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-10 10:13:04,114 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-10 10:13:04,114 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-10 10:13:04,114 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-10 10:13:04,114 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,114 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,114 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-10 10:13:04,115 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,116 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,116 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,117 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,118 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,118 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-10 10:13:04,118 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-10 10:13:04,118 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-10 10:13:04,118 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-10 10:13:04,118 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-10 10:13:04,118 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-10 10:13:04,118 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-10 10:13:04,118 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-10 10:13:04,118 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-10 10:13:04,118 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-10 10:13:04,119 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-10 10:13:04,120 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-10 10:13:04,121 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-10 10:13:04,121 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-10 10:13:04,121 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-10 10:13:04,121 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-10 10:13:04,121 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-10 10:13:04,121 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-10 10:13:04,121 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-10 10:13:04,121 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-10 10:13:04,121 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-10 10:13:04,121 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-10 10:13:04,121 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-10 10:13:04,121 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-10 10:13:04,122 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,123 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-10 10:13:04,124 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-10 10:13:04,124 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-10 10:13:04,124 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-10 10:13:04,124 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-10 10:13:04,124 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-10 10:13:04,125 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-10 10:13:04,125 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-10 10:13:04,125 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-10 10:13:04,125 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-10 10:13:04,125 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-10 10:13:04,125 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-10 10:13:04,125 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (= |old(~a19~0)| ~a19~0)) (.cse6 (= |old(~a10~0)| ~a10~0))) (let ((.cse1 (= 1 |old(~a10~0)|)) (.cse0 (and .cse5 (<= ~a1~0 |old(~a1~0)|) .cse6)) (.cse3 (= 4 |old(~a10~0)|)) (.cse4 (= 6 |old(~a19~0)|)) (.cse2 (and .cse5 .cse6 (= ~a1~0 |old(~a1~0)|)))) (and (or (< 8 |old(~a19~0)|) (= 0 |old(~a10~0)|) .cse0 .cse1 (< 23 |old(~a1~0)|)) (or .cse2 .cse3 (forall ((v_~a1~0_347 Int)) (or (< 38 v_~a1~0_347) (not (= (mod (+ v_~a1~0_347 2) 5) 0)) (< (div (+ v_~a1~0_347 (- 283353)) 5) (+ |old(~a1~0)| 495232)))) .cse1) (or .cse0 (not (= 3 |old(~a10~0)|))) (or .cse3 .cse4 .cse2) (or (< 9 |old(~a19~0)|) .cse4 .cse2)))) [2018-11-10 10:13:04,125 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-10 10:13:04,126 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-10 10:13:04,127 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-10 10:13:04,127 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-10 10:13:04,127 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-10 10:13:04,127 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-10 10:13:04,127 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-10 10:13:04,127 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-10 10:13:04,127 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-10 10:13:04,127 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-10 10:13:04,127 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,127 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,159 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,159 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,159 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,159 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,159 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-10 10:13:04,159 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-10 10:13:04,159 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,160 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:13:04,161 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 23) (not (= ~a19~0 6)) (<= ~a19~0 9) (not (= ~a10~0 1)) (not (= ~a10~0 4))) [2018-11-10 10:13:04,162 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:13:04,162 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:13:04,162 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (= 4 |old(~a10~0)|) (< 9 |old(~a19~0)|) (= 6 |old(~a19~0)|) (= 1 |old(~a10~0)|) (< 23 |old(~a1~0)|)) [2018-11-10 10:13:04,162 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-10 10:13:04,162 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6))) (.cse2 (not (= ~a10~0 1))) (.cse1 (not (= ~a10~0 4)))) (or (= 3 ~a10~0) (< 23 |old(~a1~0)|) (and .cse0 .cse1) (and .cse0 (<= ~a19~0 9)) (= 4 |old(~a10~0)|) (and (<= ~a1~0 23) (<= ~a19~0 8) (not (= 0 ~a10~0)) .cse2) (= 6 |old(~a19~0)|) (= 1 |old(~a10~0)|) (and (exists ((v_~a1~0_347 Int)) (and (<= v_~a1~0_347 38) (<= (+ ~a1~0 495232) (div (+ v_~a1~0_347 (- 283353)) 5)) (= (mod (+ v_~a1~0_347 2) 5) 0))) .cse2 .cse1) (< 9 |old(~a19~0)|))) [2018-11-10 10:13:04,162 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-10 10:13:04,162 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-10 10:13:04,162 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-10 10:13:04,162 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6))) (.cse2 (not (= ~a10~0 1))) (.cse1 (not (= ~a10~0 4)))) (or (= 3 ~a10~0) (< 23 |old(~a1~0)|) (and .cse0 .cse1) (and .cse0 (<= ~a19~0 9)) (= 4 |old(~a10~0)|) (and (<= ~a1~0 23) (<= ~a19~0 8) (not (= 0 ~a10~0)) .cse2) (= 6 |old(~a19~0)|) (= 1 |old(~a10~0)|) (and (exists ((v_~a1~0_347 Int)) (and (<= v_~a1~0_347 38) (<= (+ ~a1~0 495232) (div (+ v_~a1~0_347 (- 283353)) 5)) (= (mod (+ v_~a1~0_347 2) 5) 0))) .cse2 .cse1) (< 9 |old(~a19~0)|))) [2018-11-10 10:13:04,162 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-10 10:13:04,167 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-11-10 10:13:04,168 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-11-10 10:13:04,168 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-11-10 10:13:04,176 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-11-10 10:13:04,176 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-11-10 10:13:04,176 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-11-10 10:13:04,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:13:04 BoogieIcfgContainer [2018-11-10 10:13:04,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:13:04,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:13:04,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:13:04,180 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:13:04,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:12:39" (3/4) ... [2018-11-10 10:13:04,184 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:13:04,190 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 10:13:04,190 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 10:13:04,190 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 10:13:04,198 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 10:13:04,199 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 10:13:04,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((3 == a10 || 23 < \old(a1)) || (!(a19 == 6) && !(a10 == 4))) || (!(a19 == 6) && a19 <= 9)) || 4 == \old(a10)) || (((a1 <= 23 && a19 <= 8) && !(0 == a10)) && !(a10 == 1))) || 6 == \old(a19)) || 1 == \old(a10)) || (((\exists v_~a1~0_347 : int :: (v_~a1~0_347 <= 38 && a1 + 495232 <= (v_~a1~0_347 + -283353) / 5) && (v_~a1~0_347 + 2) % 5 == 0) && !(a10 == 1)) && !(a10 == 4))) || 9 < \old(a19) [2018-11-10 10:13:04,299 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1f7dd561-9eb1-4bad-9c0b-043eb1ff9bb0/bin-2019/uautomizer/witness.graphml [2018-11-10 10:13:04,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:13:04,300 INFO L168 Benchmark]: Toolchain (without parser) took 25950.01 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 688.4 MB). Free memory was 952.2 MB in the beginning and 1.6 GB in the end (delta: -662.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:13:04,301 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:13:04,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.65 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 922.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:13:04,301 INFO L168 Benchmark]: Boogie Preprocessor took 118.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 922.6 MB in the beginning and 1.2 GB in the end (delta: -234.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:13:04,301 INFO L168 Benchmark]: RCFGBuilder took 1119.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 102.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:13:04,302 INFO L168 Benchmark]: TraceAbstraction took 24236.15 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 520.1 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -593.2 MB). Peak memory consumption was 748.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:13:04,302 INFO L168 Benchmark]: Witness Printer took 119.71 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:13:04,303 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.65 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 922.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 118.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 922.6 MB in the beginning and 1.2 GB in the end (delta: -234.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1119.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 102.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24236.15 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 520.1 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -593.2 MB). Peak memory consumption was 748.0 MB. Max. memory is 11.5 GB. * Witness Printer took 119.71 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 582]: Loop Invariant [2018-11-10 10:13:04,306 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-11-10 10:13:04,306 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-11-10 10:13:04,306 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-11-10 10:13:04,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-11-10 10:13:04,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-11-10 10:13:04,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] Derived loop invariant: ((((((((3 == a10 || 23 < \old(a1)) || (!(a19 == 6) && !(a10 == 4))) || (!(a19 == 6) && a19 <= 9)) || 4 == \old(a10)) || (((a1 <= 23 && a19 <= 8) && !(0 == a10)) && !(a10 == 1))) || 6 == \old(a19)) || 1 == \old(a10)) || (((\exists v_~a1~0_347 : int :: (v_~a1~0_347 <= 38 && a1 + 495232 <= (v_~a1~0_347 + -283353) / 5) && (v_~a1~0_347 + 2) % 5 == 0) && !(a10 == 1)) && !(a10 == 4))) || 9 < \old(a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 24.1s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 19.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 872 SDtfs, 6553 SDslu, 954 SDs, 0 SdLazy, 11535 SolverSat, 2244 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 16.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1689 GetRequests, 1602 SyntacticMatches, 7 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3608occurred in iteration=4, 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, 728 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 236 PreInvPairs, 516 NumberOfFragments, 341 HoareAnnotationTreeSize, 236 FomulaSimplifications, 34300 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9773 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 3533 NumberOfCodeBlocks, 3533 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3520 ConstructedInterpolants, 50 QuantifiedInterpolants, 2581254 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2519 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 2731/2854 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...