./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label47_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label47_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3c8bb7ddcff0aceaa2014320c3dc6d32e4475d9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:27:29,670 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:27:29,671 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:27:29,677 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:27:29,677 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:27:29,678 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:27:29,678 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:27:29,679 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:27:29,680 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:27:29,680 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:27:29,681 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:27:29,681 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:27:29,681 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:27:29,682 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:27:29,682 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:27:29,683 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:27:29,683 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:27:29,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:27:29,685 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:27:29,686 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:27:29,687 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:27:29,687 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:27:29,689 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:27:29,689 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:27:29,689 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:27:29,689 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:27:29,690 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:27:29,690 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:27:29,691 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:27:29,691 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:27:29,691 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:27:29,692 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:27:29,692 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:27:29,692 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:27:29,693 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:27:29,693 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:27:29,693 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-01 22:27:29,700 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:27:29,700 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:27:29,701 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:27:29,701 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:27:29,701 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-01 22:27:29,701 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-01 22:27:29,701 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-01 22:27:29,702 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-01 22:27:29,702 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-01 22:27:29,702 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-01 22:27:29,702 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-01 22:27:29,702 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-01 22:27:29,702 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-01 22:27:29,703 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:27:29,703 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:27:29,703 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:27:29,703 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:27:29,703 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:27:29,703 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:27:29,703 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:27:29,703 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:27:29,703 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:27:29,704 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:27:29,704 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:27:29,704 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:27:29,704 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:27:29,704 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:27:29,704 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:27:29,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:27:29,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:27:29,704 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:27:29,705 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:27:29,705 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-01 22:27:29,705 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:27:29,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:27:29,705 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 22:27:29,705 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan 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 -> Taipan 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 -> f3c8bb7ddcff0aceaa2014320c3dc6d32e4475d9 [2018-12-01 22:27:29,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:27:29,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:27:29,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:27:29,736 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:27:29,736 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:27:29,737 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label47_true-unreach-call.c [2018-12-01 22:27:29,773 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/data/9e7e3b3f0/e122945cd2f249c882d39a5b5de031dc/FLAG66c4d0ee4 [2018-12-01 22:27:30,276 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:27:30,277 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/sv-benchmarks/c/eca-rers2012/Problem11_label47_true-unreach-call.c [2018-12-01 22:27:30,285 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/data/9e7e3b3f0/e122945cd2f249c882d39a5b5de031dc/FLAG66c4d0ee4 [2018-12-01 22:27:30,294 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/data/9e7e3b3f0/e122945cd2f249c882d39a5b5de031dc [2018-12-01 22:27:30,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:27:30,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:27:30,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:27:30,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:27:30,300 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:27:30,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:27:30" (1/1) ... [2018-12-01 22:27:30,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d10e54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30, skipping insertion in model container [2018-12-01 22:27:30,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:27:30" (1/1) ... [2018-12-01 22:27:30,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:27:30,340 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:27:30,566 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:27:30,568 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:27:30,692 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:27:30,702 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:27:30,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30 WrapperNode [2018-12-01 22:27:30,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:27:30,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:27:30,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:27:30,703 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:27:30,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30" (1/1) ... [2018-12-01 22:27:30,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30" (1/1) ... [2018-12-01 22:27:30,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:27:30,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:27:30,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:27:30,725 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:27:30,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30" (1/1) ... [2018-12-01 22:27:30,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30" (1/1) ... [2018-12-01 22:27:30,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30" (1/1) ... [2018-12-01 22:27:30,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30" (1/1) ... [2018-12-01 22:27:30,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30" (1/1) ... [2018-12-01 22:27:30,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30" (1/1) ... [2018-12-01 22:27:30,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30" (1/1) ... [2018-12-01 22:27:30,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:27:30,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:27:30,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:27:30,776 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:27:30,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/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 [2018-12-01 22:27:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:27:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:27:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-01 22:27:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-01 22:27:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:27:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:27:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:27:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:27:31,781 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:27:31,781 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 22:27:31,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:27:31 BoogieIcfgContainer [2018-12-01 22:27:31,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:27:31,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:27:31,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:27:31,785 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:27:31,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:27:30" (1/3) ... [2018-12-01 22:27:31,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185fa3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:27:31, skipping insertion in model container [2018-12-01 22:27:31,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:27:30" (2/3) ... [2018-12-01 22:27:31,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185fa3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:27:31, skipping insertion in model container [2018-12-01 22:27:31,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:27:31" (3/3) ... [2018-12-01 22:27:31,788 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label47_true-unreach-call.c [2018-12-01 22:27:31,796 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:27:31,803 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:27:31,816 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:27:31,845 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:27:31,846 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:27:31,846 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:27:31,846 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:27:31,846 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:27:31,846 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:27:31,846 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:27:31,846 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:27:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2018-12-01 22:27:31,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-01 22:27:31,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:27:31,873 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:27:31,874 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:27:31,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:27:31,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1102823458, now seen corresponding path program 1 times [2018-12-01 22:27:31,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:27:31,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:27:31,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:27:31,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:27:31,924 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:27:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:27:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:27:32,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:27:32,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:27:32,090 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:27:32,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:27:32,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:27:32,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:27:32,108 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2018-12-01 22:27:32,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:27:32,777 INFO L93 Difference]: Finished difference Result 787 states and 1379 transitions. [2018-12-01 22:27:32,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:27:32,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-12-01 22:27:32,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:27:32,786 INFO L225 Difference]: With dead ends: 787 [2018-12-01 22:27:32,786 INFO L226 Difference]: Without dead ends: 433 [2018-12-01 22:27:32,790 INFO L631 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 [2018-12-01 22:27:32,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-12-01 22:27:32,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 426. [2018-12-01 22:27:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2018-12-01 22:27:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 678 transitions. [2018-12-01 22:27:32,834 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 678 transitions. Word has length 41 [2018-12-01 22:27:32,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:27:32,835 INFO L480 AbstractCegarLoop]: Abstraction has 426 states and 678 transitions. [2018-12-01 22:27:32,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:27:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 678 transitions. [2018-12-01 22:27:32,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 22:27:32,837 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:27:32,837 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:27:32,838 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:27:32,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:27:32,838 INFO L82 PathProgramCache]: Analyzing trace with hash -659313835, now seen corresponding path program 1 times [2018-12-01 22:27:32,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:27:32,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:27:32,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:27:32,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:27:32,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:27:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:27:32,936 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:27:32,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:27:32,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:27:32,936 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:27:32,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:27:32,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:27:32,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:27:32,938 INFO L87 Difference]: Start difference. First operand 426 states and 678 transitions. Second operand 5 states. [2018-12-01 22:27:33,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:27:33,761 INFO L93 Difference]: Finished difference Result 1259 states and 2034 transitions. [2018-12-01 22:27:33,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:27:33,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2018-12-01 22:27:33,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:27:33,765 INFO L225 Difference]: With dead ends: 1259 [2018-12-01 22:27:33,765 INFO L226 Difference]: Without dead ends: 839 [2018-12-01 22:27:33,767 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:27:33,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-12-01 22:27:33,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 627. [2018-12-01 22:27:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2018-12-01 22:27:33,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 934 transitions. [2018-12-01 22:27:33,792 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 934 transitions. Word has length 116 [2018-12-01 22:27:33,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:27:33,792 INFO L480 AbstractCegarLoop]: Abstraction has 627 states and 934 transitions. [2018-12-01 22:27:33,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:27:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 934 transitions. [2018-12-01 22:27:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 22:27:33,794 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:27:33,794 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:27:33,794 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:27:33,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:27:33,794 INFO L82 PathProgramCache]: Analyzing trace with hash -548845122, now seen corresponding path program 1 times [2018-12-01 22:27:33,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:27:33,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:27:33,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:27:33,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:27:33,795 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:27:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:27:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:27:33,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:27:33,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:27:33,866 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:27:33,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:27:33,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:27:33,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:27:33,867 INFO L87 Difference]: Start difference. First operand 627 states and 934 transitions. Second operand 5 states. [2018-12-01 22:27:34,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:27:34,866 INFO L93 Difference]: Finished difference Result 1872 states and 2846 transitions. [2018-12-01 22:27:34,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:27:34,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2018-12-01 22:27:34,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:27:34,871 INFO L225 Difference]: With dead ends: 1872 [2018-12-01 22:27:34,871 INFO L226 Difference]: Without dead ends: 1251 [2018-12-01 22:27:34,872 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:27:34,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2018-12-01 22:27:34,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1032. [2018-12-01 22:27:34,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-12-01 22:27:34,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1433 transitions. [2018-12-01 22:27:34,896 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1433 transitions. Word has length 127 [2018-12-01 22:27:34,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:27:34,896 INFO L480 AbstractCegarLoop]: Abstraction has 1032 states and 1433 transitions. [2018-12-01 22:27:34,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:27:34,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1433 transitions. [2018-12-01 22:27:34,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 22:27:34,900 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:27:34,900 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:27:34,900 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:27:34,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:27:34,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1324114650, now seen corresponding path program 1 times [2018-12-01 22:27:34,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:27:34,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:27:34,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:27:34,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:27:34,902 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:27:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:27:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:27:35,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:27:35,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:27:35,055 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-12-01 22:27:35,057 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:27:35,083 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:27:35,083 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:27:35,583 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:27:35,584 INFO L272 AbstractInterpreter]: Visited 139 different actions 403 times. Merged at 4 different actions 7 times. Never widened. Performed 5621 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5621 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-12-01 22:27:35,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:27:35,589 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:27:35,590 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:27:35,590 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/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 [2018-12-01 22:27:35,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:27:35,598 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:27:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:27:35,646 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:27:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:27:35,721 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:27:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:27:35,782 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:27:35,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-01 22:27:35,782 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:27:35,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:27:35,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:27:35,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:27:35,783 INFO L87 Difference]: Start difference. First operand 1032 states and 1433 transitions. Second operand 3 states. [2018-12-01 22:27:36,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:27:36,420 INFO L93 Difference]: Finished difference Result 2662 states and 3820 transitions. [2018-12-01 22:27:36,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:27:36,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2018-12-01 22:27:36,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:27:36,425 INFO L225 Difference]: With dead ends: 2662 [2018-12-01 22:27:36,425 INFO L226 Difference]: Without dead ends: 1636 [2018-12-01 22:27:36,426 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 344 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:27:36,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2018-12-01 22:27:36,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1629. [2018-12-01 22:27:36,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1629 states. [2018-12-01 22:27:36,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 2257 transitions. [2018-12-01 22:27:36,451 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 2257 transitions. Word has length 172 [2018-12-01 22:27:36,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:27:36,451 INFO L480 AbstractCegarLoop]: Abstraction has 1629 states and 2257 transitions. [2018-12-01 22:27:36,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:27:36,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2257 transitions. [2018-12-01 22:27:36,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 22:27:36,453 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:27:36,453 INFO L402 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 22:27:36,454 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:27:36,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:27:36,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1322201221, now seen corresponding path program 1 times [2018-12-01 22:27:36,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:27:36,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:27:36,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:27:36,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:27:36,455 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:27:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:27:36,541 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 22:27:36,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:27:36,541 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:27:36,541 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-12-01 22:27:36,541 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:27:36,543 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:27:36,544 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:27:36,697 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:27:36,698 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Performed 978 root evaluator evaluations with a maximum evaluation depth of 14. Performed 978 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 28 variables. [2018-12-01 22:27:36,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:27:36,699 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:27:36,948 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 73.41% of their original sizes. [2018-12-01 22:27:36,949 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:27:36,965 INFO L418 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2018-12-01 22:27:36,965 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:27:36,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:27:36,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-01 22:27:36,966 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:27:36,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:27:36,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:27:36,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:27:36,967 INFO L87 Difference]: Start difference. First operand 1629 states and 2257 transitions. Second operand 6 states. [2018-12-01 22:27:47,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:27:47,109 INFO L93 Difference]: Finished difference Result 3442 states and 4724 transitions. [2018-12-01 22:27:47,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:27:47,109 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-12-01 22:27:47,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:27:47,113 INFO L225 Difference]: With dead ends: 3442 [2018-12-01 22:27:47,113 INFO L226 Difference]: Without dead ends: 1819 [2018-12-01 22:27:47,115 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:27:47,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2018-12-01 22:27:47,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1818. [2018-12-01 22:27:47,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1818 states. [2018-12-01 22:27:47,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1818 states and 2455 transitions. [2018-12-01 22:27:47,136 INFO L78 Accepts]: Start accepts. Automaton has 1818 states and 2455 transitions. Word has length 196 [2018-12-01 22:27:47,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:27:47,137 INFO L480 AbstractCegarLoop]: Abstraction has 1818 states and 2455 transitions. [2018-12-01 22:27:47,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:27:47,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2455 transitions. [2018-12-01 22:27:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 22:27:47,140 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:27:47,140 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:27:47,140 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:27:47,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:27:47,141 INFO L82 PathProgramCache]: Analyzing trace with hash -354355329, now seen corresponding path program 1 times [2018-12-01 22:27:47,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:27:47,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:27:47,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:27:47,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:27:47,142 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:27:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:27:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 176 proven. 72 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-01 22:27:47,263 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:27:47,263 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:27:47,263 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 313 with the following transitions: [2018-12-01 22:27:47,263 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:27:47,266 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:27:47,266 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:27:47,456 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:27:47,456 INFO L272 AbstractInterpreter]: Visited 125 different actions 244 times. Merged at 4 different actions 4 times. Never widened. Performed 3127 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3127 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-12-01 22:27:47,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:27:47,458 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:27:47,677 INFO L227 lantSequenceWeakener]: Weakened 309 states. On average, predicates are now at 75.24% of their original sizes. [2018-12-01 22:27:47,677 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:27:47,728 INFO L418 sIntCurrentIteration]: We unified 311 AI predicates to 311 [2018-12-01 22:27:47,728 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:27:47,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:27:47,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-01 22:27:47,728 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:27:47,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:27:47,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:27:47,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:27:47,729 INFO L87 Difference]: Start difference. First operand 1818 states and 2455 transitions. Second operand 10 states. [2018-12-01 22:28:16,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:28:16,043 INFO L93 Difference]: Finished difference Result 3830 states and 5227 transitions. [2018-12-01 22:28:16,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-01 22:28:16,043 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 312 [2018-12-01 22:28:16,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:28:16,049 INFO L225 Difference]: With dead ends: 3830 [2018-12-01 22:28:16,049 INFO L226 Difference]: Without dead ends: 2207 [2018-12-01 22:28:16,052 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 320 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-01 22:28:16,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2018-12-01 22:28:16,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2201. [2018-12-01 22:28:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2201 states. [2018-12-01 22:28:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 2201 states and 2925 transitions. [2018-12-01 22:28:16,089 INFO L78 Accepts]: Start accepts. Automaton has 2201 states and 2925 transitions. Word has length 312 [2018-12-01 22:28:16,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:28:16,090 INFO L480 AbstractCegarLoop]: Abstraction has 2201 states and 2925 transitions. [2018-12-01 22:28:16,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:28:16,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 2925 transitions. [2018-12-01 22:28:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 22:28:16,095 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:28:16,096 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:28:16,096 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:28:16,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:28:16,096 INFO L82 PathProgramCache]: Analyzing trace with hash 517800508, now seen corresponding path program 1 times [2018-12-01 22:28:16,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:28:16,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:28:16,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:28:16,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:28:16,097 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:28:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:28:16,221 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 259 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:28:16,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:28:16,221 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:28:16,221 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 314 with the following transitions: [2018-12-01 22:28:16,221 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:28:16,223 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:28:16,223 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:28:16,560 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:28:16,560 INFO L272 AbstractInterpreter]: Visited 126 different actions 373 times. Merged at 6 different actions 17 times. Never widened. Performed 4982 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4982 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-01 22:28:16,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:28:16,562 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:28:16,562 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:28:16,562 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/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 [2018-12-01 22:28:16,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:28:16,568 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:28:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:28:16,618 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:28:16,653 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-12-01 22:28:16,654 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:28:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-12-01 22:28:16,724 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:28:16,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-12-01 22:28:16,724 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:28:16,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:28:16,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:28:16,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:28:16,724 INFO L87 Difference]: Start difference. First operand 2201 states and 2925 transitions. Second operand 3 states. [2018-12-01 22:28:17,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:28:17,257 INFO L93 Difference]: Finished difference Result 4973 states and 6942 transitions. [2018-12-01 22:28:17,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:28:17,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 313 [2018-12-01 22:28:17,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:28:17,262 INFO L225 Difference]: With dead ends: 4973 [2018-12-01 22:28:17,262 INFO L226 Difference]: Without dead ends: 3350 [2018-12-01 22:28:17,265 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 624 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:28:17,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3350 states. [2018-12-01 22:28:17,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3350 to 3348. [2018-12-01 22:28:17,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3348 states. [2018-12-01 22:28:17,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 3348 states and 4417 transitions. [2018-12-01 22:28:17,300 INFO L78 Accepts]: Start accepts. Automaton has 3348 states and 4417 transitions. Word has length 313 [2018-12-01 22:28:17,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:28:17,300 INFO L480 AbstractCegarLoop]: Abstraction has 3348 states and 4417 transitions. [2018-12-01 22:28:17,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:28:17,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 4417 transitions. [2018-12-01 22:28:17,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 22:28:17,304 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:28:17,304 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:28:17,305 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:28:17,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:28:17,305 INFO L82 PathProgramCache]: Analyzing trace with hash 855432708, now seen corresponding path program 1 times [2018-12-01 22:28:17,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:28:17,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:28:17,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:28:17,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:28:17,305 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:28:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:28:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2018-12-01 22:28:17,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:28:17,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:28:17,393 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:28:17,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:28:17,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:28:17,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:28:17,394 INFO L87 Difference]: Start difference. First operand 3348 states and 4417 transitions. Second operand 3 states. [2018-12-01 22:28:17,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:28:17,905 INFO L93 Difference]: Finished difference Result 8400 states and 11573 transitions. [2018-12-01 22:28:17,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:28:17,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 317 [2018-12-01 22:28:17,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:28:17,920 INFO L225 Difference]: With dead ends: 8400 [2018-12-01 22:28:17,920 INFO L226 Difference]: Without dead ends: 5246 [2018-12-01 22:28:17,926 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:28:17,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2018-12-01 22:28:17,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 4681. [2018-12-01 22:28:17,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4681 states. [2018-12-01 22:28:18,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4681 states to 4681 states and 6131 transitions. [2018-12-01 22:28:18,000 INFO L78 Accepts]: Start accepts. Automaton has 4681 states and 6131 transitions. Word has length 317 [2018-12-01 22:28:18,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:28:18,000 INFO L480 AbstractCegarLoop]: Abstraction has 4681 states and 6131 transitions. [2018-12-01 22:28:18,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:28:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand 4681 states and 6131 transitions. [2018-12-01 22:28:18,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-12-01 22:28:18,005 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:28:18,005 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:28:18,005 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:28:18,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:28:18,005 INFO L82 PathProgramCache]: Analyzing trace with hash 404515825, now seen corresponding path program 1 times [2018-12-01 22:28:18,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:28:18,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:28:18,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:28:18,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:28:18,006 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:28:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:28:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-12-01 22:28:18,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:28:18,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:28:18,142 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:28:18,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:28:18,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:28:18,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:28:18,142 INFO L87 Difference]: Start difference. First operand 4681 states and 6131 transitions. Second operand 3 states. [2018-12-01 22:28:18,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:28:18,676 INFO L93 Difference]: Finished difference Result 9356 states and 12676 transitions. [2018-12-01 22:28:18,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:28:18,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 346 [2018-12-01 22:28:18,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:28:18,686 INFO L225 Difference]: With dead ends: 9356 [2018-12-01 22:28:18,686 INFO L226 Difference]: Without dead ends: 5440 [2018-12-01 22:28:18,690 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:28:18,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5440 states. [2018-12-01 22:28:18,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5440 to 5440. [2018-12-01 22:28:18,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5440 states. [2018-12-01 22:28:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5440 states to 5440 states and 7141 transitions. [2018-12-01 22:28:18,748 INFO L78 Accepts]: Start accepts. Automaton has 5440 states and 7141 transitions. Word has length 346 [2018-12-01 22:28:18,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:28:18,748 INFO L480 AbstractCegarLoop]: Abstraction has 5440 states and 7141 transitions. [2018-12-01 22:28:18,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:28:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 5440 states and 7141 transitions. [2018-12-01 22:28:18,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-01 22:28:18,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:28:18,753 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:28:18,753 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:28:18,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:28:18,753 INFO L82 PathProgramCache]: Analyzing trace with hash -549274470, now seen corresponding path program 1 times [2018-12-01 22:28:18,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:28:18,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:28:18,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:28:18,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:28:18,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:28:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:28:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 292 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:28:18,878 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:28:18,878 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:28:18,878 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 354 with the following transitions: [2018-12-01 22:28:18,878 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [738], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:28:18,880 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:28:18,880 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:28:19,214 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:28:19,215 INFO L272 AbstractInterpreter]: Visited 133 different actions 394 times. Merged at 6 different actions 17 times. Never widened. Performed 5346 root evaluator evaluations with a maximum evaluation depth of 18. Performed 5346 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-01 22:28:19,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:28:19,216 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:28:19,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:28:19,216 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/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 [2018-12-01 22:28:19,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:28:19,221 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:28:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:28:19,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:28:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 292 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:28:19,561 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:28:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 292 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:28:19,845 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:28:19,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 8] total 15 [2018-12-01 22:28:19,846 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:28:19,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 22:28:19,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 22:28:19,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-01 22:28:19,846 INFO L87 Difference]: Start difference. First operand 5440 states and 7141 transitions. Second operand 11 states. [2018-12-01 22:28:22,307 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-12-01 22:28:24,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:28:24,039 INFO L93 Difference]: Finished difference Result 11856 states and 16463 transitions. [2018-12-01 22:28:24,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-01 22:28:24,039 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 353 [2018-12-01 22:28:24,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:28:24,053 INFO L225 Difference]: With dead ends: 11856 [2018-12-01 22:28:24,053 INFO L226 Difference]: Without dead ends: 6985 [2018-12-01 22:28:24,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 769 GetRequests, 724 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=483, Invalid=1679, Unknown=0, NotChecked=0, Total=2162 [2018-12-01 22:28:24,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6985 states. [2018-12-01 22:28:24,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6985 to 6683. [2018-12-01 22:28:24,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6683 states. [2018-12-01 22:28:24,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6683 states to 6683 states and 8106 transitions. [2018-12-01 22:28:24,135 INFO L78 Accepts]: Start accepts. Automaton has 6683 states and 8106 transitions. Word has length 353 [2018-12-01 22:28:24,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:28:24,135 INFO L480 AbstractCegarLoop]: Abstraction has 6683 states and 8106 transitions. [2018-12-01 22:28:24,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 22:28:24,135 INFO L276 IsEmpty]: Start isEmpty. Operand 6683 states and 8106 transitions. [2018-12-01 22:28:24,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 22:28:24,141 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:28:24,141 INFO L402 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 22:28:24,141 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:28:24,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:28:24,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1392969753, now seen corresponding path program 1 times [2018-12-01 22:28:24,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:28:24,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:28:24,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:28:24,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:28:24,142 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:28:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:28:24,317 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 4 proven. 70 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-12-01 22:28:24,318 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:28:24,318 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:28:24,318 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 355 with the following transitions: [2018-12-01 22:28:24,318 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [959], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:28:24,320 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:28:24,320 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:28:29,960 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:28:29,960 INFO L272 AbstractInterpreter]: Visited 175 different actions 518 times. Merged at 6 different actions 15 times. Never widened. Performed 7294 root evaluator evaluations with a maximum evaluation depth of 23. Performed 7294 inverse root evaluator evaluations with a maximum inverse evaluation depth of 23. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-01 22:28:29,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:28:29,966 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:28:29,966 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:28:29,966 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/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 [2018-12-01 22:28:29,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:28:29,972 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:28:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:28:30,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:28:35,673 WARN L180 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 37 DAG size of output: 15 [2018-12-01 22:28:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 4 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:28:35,768 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:28:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 213 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:28:35,925 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:28:35,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 6] total 15 [2018-12-01 22:28:35,926 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:28:35,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-01 22:28:35,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-01 22:28:35,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=152, Unknown=2, NotChecked=0, Total=210 [2018-12-01 22:28:35,927 INFO L87 Difference]: Start difference. First operand 6683 states and 8106 transitions. Second operand 12 states. [2018-12-01 22:28:39,242 WARN L180 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-01 22:28:50,697 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-01 22:29:50,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:29:50,276 INFO L93 Difference]: Finished difference Result 18998 states and 24765 transitions. [2018-12-01 22:29:50,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-12-01 22:29:50,276 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 354 [2018-12-01 22:29:50,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:29:50,300 INFO L225 Difference]: With dead ends: 18998 [2018-12-01 22:29:50,300 INFO L226 Difference]: Without dead ends: 12509 [2018-12-01 22:29:50,311 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 702 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=293, Invalid=757, Unknown=6, NotChecked=0, Total=1056 [2018-12-01 22:29:50,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12509 states. [2018-12-01 22:29:50,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12509 to 11341. [2018-12-01 22:29:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11341 states. [2018-12-01 22:29:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11341 states to 11341 states and 13514 transitions. [2018-12-01 22:29:50,439 INFO L78 Accepts]: Start accepts. Automaton has 11341 states and 13514 transitions. Word has length 354 [2018-12-01 22:29:50,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:29:50,439 INFO L480 AbstractCegarLoop]: Abstraction has 11341 states and 13514 transitions. [2018-12-01 22:29:50,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-01 22:29:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 11341 states and 13514 transitions. [2018-12-01 22:29:50,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2018-12-01 22:29:50,447 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:29:50,447 INFO L402 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-01 22:29:50,447 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:29:50,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:50,447 INFO L82 PathProgramCache]: Analyzing trace with hash 282719499, now seen corresponding path program 1 times [2018-12-01 22:29:50,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:29:50,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:50,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:29:50,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:50,448 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:29:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:29:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 110 proven. 322 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 22:29:50,737 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:29:50,737 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:29:50,738 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 433 with the following transitions: [2018-12-01 22:29:50,738 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [661], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [959], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:29:50,739 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:29:50,740 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:29:55,035 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:29:55,036 INFO L272 AbstractInterpreter]: Visited 176 different actions 697 times. Merged at 7 different actions 25 times. Never widened. Performed 9989 root evaluator evaluations with a maximum evaluation depth of 23. Performed 9989 inverse root evaluator evaluations with a maximum inverse evaluation depth of 23. Found 7 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-01 22:29:55,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:55,037 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:29:55,037 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:29:55,037 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/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 [2018-12-01 22:29:55,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:29:55,043 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:29:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:29:55,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:29:55,412 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 110 proven. 326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:29:55,412 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:29:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 328 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-01 22:29:55,717 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:29:55,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 6] total 24 [2018-12-01 22:29:55,717 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:29:55,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-01 22:29:55,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-01 22:29:55,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552 [2018-12-01 22:29:55,718 INFO L87 Difference]: Start difference. First operand 11341 states and 13514 transitions. Second operand 20 states. [2018-12-01 22:29:58,877 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-12-01 22:29:59,390 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2018-12-01 22:30:09,263 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2018-12-01 22:30:10,586 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-12-01 22:30:21,064 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2018-12-01 22:30:22,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:30:22,702 INFO L93 Difference]: Finished difference Result 24535 states and 31449 transitions. [2018-12-01 22:30:22,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-12-01 22:30:22,704 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 432 [2018-12-01 22:30:22,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:30:22,705 INFO L225 Difference]: With dead ends: 24535 [2018-12-01 22:30:22,705 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 22:30:22,755 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1215 GetRequests, 1003 SyntacticMatches, 2 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18349 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=4661, Invalid=40071, Unknown=0, NotChecked=0, Total=44732 [2018-12-01 22:30:22,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 22:30:22,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 22:30:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 22:30:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 22:30:22,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 432 [2018-12-01 22:30:22,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:30:22,756 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:30:22,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-01 22:30:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 22:30:22,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:30:22,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 22:30:23,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,402 WARN L180 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 295 [2018-12-01 22:30:23,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:30:23,738 WARN L180 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 301 [2018-12-01 22:30:24,692 WARN L180 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 99 [2018-12-01 22:30:59,174 WARN L180 SmtUtils]: Spent 34.47 s on a formula simplification. DAG size of input: 297 DAG size of output: 89 [2018-12-01 22:31:42,440 WARN L180 SmtUtils]: Spent 43.26 s on a formula simplification. DAG size of input: 305 DAG size of output: 89 [2018-12-01 22:31:42,441 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:31:42,441 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (<= ~a25~0 |old(~a25~0)|) (= ~a4~0 |old(~a4~0)|)) [2018-12-01 22:31:42,441 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:31:42,441 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-12-01 22:31:42,441 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-12-01 22:31:42,441 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-12-01 22:31:42,441 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,442 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,443 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,444 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-12-01 22:31:42,445 INFO L448 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse4 (< 599998 |old(~a29~0)|)) (.cse5 (< 0 |old(~a4~0)|)) (.cse7 (forall ((v_prenex_11 Int)) (or (< (+ (mod v_prenex_11 299861) 300139) |old(~a29~0)|) (<= v_prenex_11 277) (< v_prenex_11 0)))) (.cse0 (not (= 15 ~a8~0))) (.cse1 (not (= 1 ~a3~0))) (.cse6 (= 12 |old(~a25~0)|)) (.cse3 (not (= 1 |old(~a4~0)|))) (.cse2 (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)))) (and (or (forall ((v_prenex_11 Int)) (or (<= v_prenex_11 277) (< (mod v_prenex_11 299861) (+ |old(~a29~0)| 299881)) (< v_prenex_11 0))) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 (< |old(~a29~0)| 130) .cse5 .cse2) (or .cse0 .cse1 .cse2 (< 140 |old(~a29~0)|) (< 0 (+ |old(~a23~0)| 43)) .cse6 .cse5) (or .cse2 .cse7 (or (< |old(~a23~0)| 307) .cse0 .cse1 .cse3)) (or .cse0 .cse1 .cse4 (< |old(~a29~0)| 246) .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (< 0 (+ |old(~a29~0)| 22)) .cse5)) (or .cse0 .cse1 .cse2 (not (= 9 |old(~a25~0)|)) .cse7 .cse3) (or (forall ((v_~a29~0_549 Int)) (let ((.cse8 (+ v_~a29~0_549 69157))) (or (< .cse8 0) (< (+ (mod .cse8 299861) 300138) |old(~a29~0)|) (< v_~a29~0_549 |old(~a29~0)|)))) .cse0 .cse1 .cse6 .cse3 .cse2))) [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-01 22:31:42,446 INFO L448 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-12-01 22:31:42,447 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-12-01 22:31:42,448 INFO L448 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-12-01 22:31:42,449 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,450 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,451 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,452 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (<= ~a29~0 130) (= 15 ~a8~0) (= 1 ~a4~0) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-12-01 22:31:42,453 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (and (<= 130 ~a29~0) (= ~a23~0 312) (<= ~a29~0 130) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L444 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse4 (not (= ~a25~0 12))) (.cse3 (exists ((v_prenex_11 Int)) (and (< 277 v_prenex_11) (<= 0 v_prenex_11) (<= ~a29~0 (+ (mod v_prenex_11 299861) 300139))))) (.cse0 (<= ~a4~0 0)) (.cse5 (<= ~a29~0 599998)) (.cse2 (= 1 ~a4~0))) (or (and (and .cse0 (exists ((v_~a29~0_549 Int)) (let ((.cse1 (+ v_~a29~0_549 69157))) (and (<= |old(~a29~0)| v_~a29~0_549) (<= 0 .cse1) (<= ~a29~0 (+ (mod .cse1 299861) 300138)))))) (<= 130 ~a29~0)) (and (exists ((v_prenex_11 Int)) (and (< 277 v_prenex_11) (<= 0 v_prenex_11) (<= (+ ~a29~0 299881) (mod v_prenex_11 299861)))) .cse2) (< |old(~a29~0)| 130) (and (= ~a25~0 9) .cse2 .cse3) (not (= 10 |old(~a25~0)|)) (and .cse0 .cse4 (<= (+ ~a23~0 43) 0) (<= ~a29~0 140)) (not (= 1 ~a3~0)) (< 130 |old(~a29~0)|) (and .cse5 .cse4 .cse2) (and .cse2 (<= 307 ~a23~0) .cse3) (and .cse0 (<= (+ ~a29~0 22) 0)) (not (= 312 |old(~a23~0)|)) (not (= 15 ~a8~0)) (and (<= 246 ~a29~0) .cse5 .cse2) (not (= 1 |old(~a4~0)|)))) [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-12-01 22:31:42,453 INFO L448 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-12-01 22:31:42,454 INFO L444 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse4 (not (= ~a25~0 12))) (.cse3 (exists ((v_prenex_11 Int)) (and (< 277 v_prenex_11) (<= 0 v_prenex_11) (<= ~a29~0 (+ (mod v_prenex_11 299861) 300139))))) (.cse0 (<= ~a4~0 0)) (.cse5 (<= ~a29~0 599998)) (.cse2 (= 1 ~a4~0))) (or (and (and .cse0 (exists ((v_~a29~0_549 Int)) (let ((.cse1 (+ v_~a29~0_549 69157))) (and (<= |old(~a29~0)| v_~a29~0_549) (<= 0 .cse1) (<= ~a29~0 (+ (mod .cse1 299861) 300138)))))) (<= 130 ~a29~0)) (and (exists ((v_prenex_11 Int)) (and (< 277 v_prenex_11) (<= 0 v_prenex_11) (<= (+ ~a29~0 299881) (mod v_prenex_11 299861)))) .cse2) (< |old(~a29~0)| 130) (and (= ~a25~0 9) .cse2 .cse3) (not (= 10 |old(~a25~0)|)) (and .cse0 .cse4 (<= (+ ~a23~0 43) 0) (<= ~a29~0 140)) (not (= 1 ~a3~0)) (< 130 |old(~a29~0)|) (and .cse5 .cse4 .cse2) (and .cse2 (<= 307 ~a23~0) .cse3) (and .cse0 (<= (+ ~a29~0 22) 0)) (not (= 312 |old(~a23~0)|)) (not (= 15 ~a8~0)) (and (<= 246 ~a29~0) .cse5 .cse2) (not (= 1 |old(~a4~0)|)))) [2018-12-01 22:31:42,454 INFO L448 ceAbstractionStarter]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2018-12-01 22:31:42,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-01 22:31:42,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-01 22:31:42,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-01 22:31:42,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,458 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,459 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-01 22:31:42,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-01 22:31:42,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-01 22:31:42,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,462 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:31:42 BoogieIcfgContainer [2018-12-01 22:31:42,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:31:42,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:31:42,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:31:42,465 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:31:42,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:27:31" (3/4) ... [2018-12-01 22:31:42,468 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:31:42,472 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 22:31:42,472 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-01 22:31:42,473 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 22:31:42,481 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 22:31:42,481 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 22:31:42,500 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((a4 <= 0 && (\exists v_~a29~0_549 : int :: (\old(a29) <= v_~a29~0_549 && 0 <= v_~a29~0_549 + 69157) && a29 <= (v_~a29~0_549 + 69157) % 299861 + 300138)) && 130 <= a29) || ((\exists v_prenex_11 : int :: (277 < v_prenex_11 && 0 <= v_prenex_11) && a29 + 299881 <= v_prenex_11 % 299861) && 1 == a4)) || \old(a29) < 130) || ((a25 == 9 && 1 == a4) && (\exists v_prenex_11 : int :: (277 < v_prenex_11 && 0 <= v_prenex_11) && a29 <= v_prenex_11 % 299861 + 300139))) || !(10 == \old(a25))) || (((a4 <= 0 && !(a25 == 12)) && a23 + 43 <= 0) && a29 <= 140)) || !(1 == a3)) || 130 < \old(a29)) || ((a29 <= 599998 && !(a25 == 12)) && 1 == a4)) || ((1 == a4 && 307 <= a23) && (\exists v_prenex_11 : int :: (277 < v_prenex_11 && 0 <= v_prenex_11) && a29 <= v_prenex_11 % 299861 + 300139))) || (a4 <= 0 && a29 + 22 <= 0)) || !(312 == \old(a23))) || !(15 == a8)) || ((246 <= a29 && a29 <= 599998) && 1 == a4)) || !(1 == \old(a4)) [2018-12-01 22:31:42,565 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_26dbd689-9208-451f-82ba-fb3d68843731/bin-2019/utaipan/witness.graphml [2018-12-01 22:31:42,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:31:42,566 INFO L168 Benchmark]: Toolchain (without parser) took 252269.55 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 947.0 MB in the beginning and 1.3 GB in the end (delta: -327.8 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2018-12-01 22:31:42,566 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:31:42,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:31:42,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:31:42,567 INFO L168 Benchmark]: Boogie Preprocessor took 50.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:31:42,567 INFO L168 Benchmark]: RCFGBuilder took 1006.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.7 MB in the end (delta: 169.4 MB). Peak memory consumption was 169.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:31:42,567 INFO L168 Benchmark]: TraceAbstraction took 250682.32 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 919.7 MB in the beginning and 1.3 GB in the end (delta: -355.1 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2018-12-01 22:31:42,567 INFO L168 Benchmark]: Witness Printer took 100.17 ms. Allocated memory is still 4.8 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:31:42,568 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 405.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1006.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.7 MB in the end (delta: 169.4 MB). Peak memory consumption was 169.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 250682.32 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 919.7 MB in the beginning and 1.3 GB in the end (delta: -355.1 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. * Witness Printer took 100.17 ms. Allocated memory is still 4.8 GB. Free memory is still 1.3 GB. There was no memory consumed. 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_~a29~0_549,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 1034]: Loop Invariant [2018-12-01 22:31:42,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-01 22:31:42,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-01 22:31:42,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-01 22:31:42,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-01 22:31:42,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-01 22:31:42,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-01 22:31:42,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,573 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,573 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-01 22:31:42,573 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] Derived loop invariant: (((((((((((((((a4 <= 0 && (\exists v_~a29~0_549 : int :: (\old(a29) <= v_~a29~0_549 && 0 <= v_~a29~0_549 + 69157) && a29 <= (v_~a29~0_549 + 69157) % 299861 + 300138)) && 130 <= a29) || ((\exists v_prenex_11 : int :: (277 < v_prenex_11 && 0 <= v_prenex_11) && a29 + 299881 <= v_prenex_11 % 299861) && 1 == a4)) || \old(a29) < 130) || ((a25 == 9 && 1 == a4) && (\exists v_prenex_11 : int :: (277 < v_prenex_11 && 0 <= v_prenex_11) && a29 <= v_prenex_11 % 299861 + 300139))) || !(10 == \old(a25))) || (((a4 <= 0 && !(a25 == 12)) && a23 + 43 <= 0) && a29 <= 140)) || !(1 == a3)) || 130 < \old(a29)) || ((a29 <= 599998 && !(a25 == 12)) && 1 == a4)) || ((1 == a4 && 307 <= a23) && (\exists v_prenex_11 : int :: (277 < v_prenex_11 && 0 <= v_prenex_11) && a29 <= v_prenex_11 % 299861 + 300139))) || (a4 <= 0 && a29 + 22 <= 0)) || !(312 == \old(a23))) || !(15 == a8)) || ((246 <= a29 && a29 <= 599998) && 1 == a4)) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. SAFE Result, 250.6s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 148.8s AutomataDifference, 0.0s DeadEndRemovalTime, 79.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2015 SDtfs, 17442 SDslu, 1757 SDs, 0 SdLazy, 23910 SolverSat, 6394 SolverUnsat, 51 SolverUnknown, 0 SolverNotchecked, 125.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 4255 GetRequests, 3905 SyntacticMatches, 14 SemanticMatches, 336 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19105 ImplicationChecksByTransitivity, 20.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11341occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 11.5s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9973047730467387 AbsIntWeakeningRatio, 0.1225296442687747 AbsIntAvgWeakeningVarsNumRemoved, 18.288537549407113 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 2489 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 347 PreInvPairs, 669 NumberOfFragments, 740 HoareAnnotationTreeSize, 347 FomulaSimplifications, 51603 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 25864 FormulaSimplificationTreeSizeReductionInter, 78.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 4703 NumberOfCodeBlocks, 4703 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 6305 ConstructedInterpolants, 43 QuantifiedInterpolants, 8146892 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2734 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 22 InterpolantComputations, 9 PerfectInterpolantSequences, 4290/5376 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...