./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label49_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label49_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/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 c2ee6781c62be40fa372129eaacaba9832af3ce9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 16:09:00,586 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:09:00,587 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:09:00,593 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 16:09:00,593 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 16:09:00,594 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 16:09:00,594 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 16:09:00,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 16:09:00,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 16:09:00,597 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 16:09:00,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 16:09:00,598 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:09:00,598 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:09:00,599 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:09:00,600 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:09:00,600 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:09:00,601 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:09:00,602 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:09:00,603 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:09:00,604 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:09:00,605 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:09:00,606 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:09:00,607 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:09:00,607 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:09:00,608 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:09:00,608 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:09:00,609 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:09:00,609 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:09:00,610 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:09:00,611 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:09:00,611 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:09:00,611 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:09:00,611 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:09:00,612 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:09:00,612 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:09:00,612 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:09:00,612 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 16:09:00,620 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:09:00,620 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:09:00,621 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:09:00,621 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 16:09:00,621 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 16:09:00,621 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 16:09:00,621 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 16:09:00,621 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 16:09:00,622 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 16:09:00,622 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 16:09:00,622 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 16:09:00,622 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 16:09:00,622 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 16:09:00,623 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:09:00,623 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:09:00,623 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 16:09:00,623 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:09:00,623 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:09:00,623 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:09:00,623 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:09:00,624 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:09:00,624 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:09:00,624 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:09:00,624 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:09:00,624 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:09:00,624 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:09:00,624 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 16:09:00,624 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:09:00,625 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 16:09:00,625 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:09:00,625 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:09:00,625 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:09:00,625 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:09:00,625 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 16:09:00,625 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:09:00,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 16:09:00,626 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 16:09:00,626 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_82a25287-f728-4420-b763-477fde9af2c9/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 -> c2ee6781c62be40fa372129eaacaba9832af3ce9 [2018-11-23 16:09:00,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:09:00,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:09:00,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:09:00,662 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:09:00,662 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:09:00,663 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label49_true-unreach-call.c [2018-11-23 16:09:00,704 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/bin-2019/utaipan/data/65b3bf5ec/d930ebcf47e041c1a0ca383c0565e02f/FLAG4911185dd [2018-11-23 16:09:01,161 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:09:01,161 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/sv-benchmarks/c/eca-rers2012/Problem10_label49_true-unreach-call.c [2018-11-23 16:09:01,170 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/bin-2019/utaipan/data/65b3bf5ec/d930ebcf47e041c1a0ca383c0565e02f/FLAG4911185dd [2018-11-23 16:09:01,681 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/bin-2019/utaipan/data/65b3bf5ec/d930ebcf47e041c1a0ca383c0565e02f [2018-11-23 16:09:01,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:09:01,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:09:01,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:09:01,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:09:01,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:09:01,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:01" (1/1) ... [2018-11-23 16:09:01,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd9ff0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:01, skipping insertion in model container [2018-11-23 16:09:01,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:01" (1/1) ... [2018-11-23 16:09:01,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:09:01,727 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:09:01,968 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:09:01,970 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:09:02,036 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:09:02,049 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:09:02,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:02 WrapperNode [2018-11-23 16:09:02,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:09:02,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:09:02,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:09:02,050 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:09:02,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:02" (1/1) ... [2018-11-23 16:09:02,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:02" (1/1) ... [2018-11-23 16:09:02,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:09:02,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:09:02,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:09:02,121 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:09:02,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:02" (1/1) ... [2018-11-23 16:09:02,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:02" (1/1) ... [2018-11-23 16:09:02,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:02" (1/1) ... [2018-11-23 16:09:02,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:02" (1/1) ... [2018-11-23 16:09:02,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:02" (1/1) ... [2018-11-23 16:09:02,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:02" (1/1) ... [2018-11-23 16:09:02,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:02" (1/1) ... [2018-11-23 16:09:02,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:09:02,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:09:02,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:09:02,173 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:09:02,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/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 [2018-11-23 16:09:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 16:09:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 16:09:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 16:09:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 16:09:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 16:09:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:09:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:09:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 16:09:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 16:09:03,123 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:09:03,123 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 16:09:03,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:03 BoogieIcfgContainer [2018-11-23 16:09:03,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:09:03,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 16:09:03,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 16:09:03,126 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 16:09:03,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:09:01" (1/3) ... [2018-11-23 16:09:03,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc57777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:03, skipping insertion in model container [2018-11-23 16:09:03,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:02" (2/3) ... [2018-11-23 16:09:03,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc57777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:03, skipping insertion in model container [2018-11-23 16:09:03,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:03" (3/3) ... [2018-11-23 16:09:03,128 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label49_true-unreach-call.c [2018-11-23 16:09:03,134 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 16:09:03,140 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 16:09:03,150 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 16:09:03,173 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 16:09:03,174 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 16:09:03,174 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 16:09:03,174 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 16:09:03,174 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 16:09:03,174 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 16:09:03,174 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 16:09:03,174 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 16:09:03,192 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-23 16:09:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 16:09:03,196 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:03,197 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] [2018-11-23 16:09:03,199 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:03,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:03,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1605828193, now seen corresponding path program 1 times [2018-11-23 16:09:03,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:09:03,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:03,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:03,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:03,234 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:09:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:03,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:09:03,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:09:03,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 16:09:03,391 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:09:03,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:09:03,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:09:03,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:09:03,405 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-23 16:09:04,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:04,013 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-23 16:09:04,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:09:04,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-11-23 16:09:04,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:04,027 INFO L225 Difference]: With dead ends: 571 [2018-11-23 16:09:04,028 INFO L226 Difference]: Without dead ends: 354 [2018-11-23 16:09:04,032 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 [2018-11-23 16:09:04,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-11-23 16:09:04,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2018-11-23 16:09:04,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-23 16:09:04,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 607 transitions. [2018-11-23 16:09:04,079 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 607 transitions. Word has length 28 [2018-11-23 16:09:04,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:04,080 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 607 transitions. [2018-11-23 16:09:04,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:09:04,080 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 607 transitions. [2018-11-23 16:09:04,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 16:09:04,084 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:04,084 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:09:04,084 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:04,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:04,085 INFO L82 PathProgramCache]: Analyzing trace with hash -351220503, now seen corresponding path program 1 times [2018-11-23 16:09:04,085 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:09:04,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:04,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:04,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:04,086 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:09:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:09:04,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:09:04,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 16:09:04,255 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:09:04,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:09:04,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:09:04,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:09:04,257 INFO L87 Difference]: Start difference. First operand 354 states and 607 transitions. Second operand 6 states. [2018-11-23 16:09:04,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:04,806 INFO L93 Difference]: Finished difference Result 861 states and 1501 transitions. [2018-11-23 16:09:04,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 16:09:04,806 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-11-23 16:09:04,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:04,809 INFO L225 Difference]: With dead ends: 861 [2018-11-23 16:09:04,809 INFO L226 Difference]: Without dead ends: 513 [2018-11-23 16:09:04,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 16:09:04,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2018-11-23 16:09:04,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 505. [2018-11-23 16:09:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-11-23 16:09:04,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 828 transitions. [2018-11-23 16:09:04,833 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 828 transitions. Word has length 101 [2018-11-23 16:09:04,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:04,833 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 828 transitions. [2018-11-23 16:09:04,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:09:04,833 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 828 transitions. [2018-11-23 16:09:04,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 16:09:04,834 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:04,835 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:09:04,835 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:04,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:04,835 INFO L82 PathProgramCache]: Analyzing trace with hash 788107453, now seen corresponding path program 1 times [2018-11-23 16:09:04,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:09:04,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:04,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:04,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:04,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:09:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:09:04,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:09:04,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 16:09:04,914 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:09:04,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 16:09:04,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 16:09:04,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 16:09:04,915 INFO L87 Difference]: Start difference. First operand 505 states and 828 transitions. Second operand 4 states. [2018-11-23 16:09:05,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:05,597 INFO L93 Difference]: Finished difference Result 1731 states and 2980 transitions. [2018-11-23 16:09:05,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 16:09:05,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-11-23 16:09:05,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:05,607 INFO L225 Difference]: With dead ends: 1731 [2018-11-23 16:09:05,607 INFO L226 Difference]: Without dead ends: 1232 [2018-11-23 16:09:05,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 16:09:05,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2018-11-23 16:09:05,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1232. [2018-11-23 16:09:05,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1232 states. [2018-11-23 16:09:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1861 transitions. [2018-11-23 16:09:05,649 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1861 transitions. Word has length 107 [2018-11-23 16:09:05,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:05,650 INFO L480 AbstractCegarLoop]: Abstraction has 1232 states and 1861 transitions. [2018-11-23 16:09:05,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 16:09:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1861 transitions. [2018-11-23 16:09:05,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 16:09:05,657 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:05,657 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:09:05,657 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:05,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:05,658 INFO L82 PathProgramCache]: Analyzing trace with hash 58557854, now seen corresponding path program 1 times [2018-11-23 16:09:05,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:09:05,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:05,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:05,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:05,659 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:09:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:09:05,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:09:05,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 16:09:05,820 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:09:05,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:09:05,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:09:05,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:09:05,821 INFO L87 Difference]: Start difference. First operand 1232 states and 1861 transitions. Second operand 6 states. [2018-11-23 16:09:06,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:06,565 INFO L93 Difference]: Finished difference Result 2741 states and 4102 transitions. [2018-11-23 16:09:06,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 16:09:06,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-23 16:09:06,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:06,581 INFO L225 Difference]: With dead ends: 2741 [2018-11-23 16:09:06,581 INFO L226 Difference]: Without dead ends: 1515 [2018-11-23 16:09:06,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 16:09:06,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2018-11-23 16:09:06,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1477. [2018-11-23 16:09:06,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1477 states. [2018-11-23 16:09:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2026 transitions. [2018-11-23 16:09:06,622 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2026 transitions. Word has length 164 [2018-11-23 16:09:06,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:06,622 INFO L480 AbstractCegarLoop]: Abstraction has 1477 states and 2026 transitions. [2018-11-23 16:09:06,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:09:06,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2026 transitions. [2018-11-23 16:09:06,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 16:09:06,626 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:06,626 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:09:06,626 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:06,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:06,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1560592178, now seen corresponding path program 1 times [2018-11-23 16:09:06,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:09:06,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:06,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:06,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:06,627 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:09:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:06,779 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:09:06,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:09:06,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 16:09:06,779 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:09:06,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:09:06,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:09:06,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:09:06,780 INFO L87 Difference]: Start difference. First operand 1477 states and 2026 transitions. Second operand 6 states. [2018-11-23 16:09:07,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:07,534 INFO L93 Difference]: Finished difference Result 3528 states and 4989 transitions. [2018-11-23 16:09:07,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 16:09:07,534 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-11-23 16:09:07,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:07,541 INFO L225 Difference]: With dead ends: 3528 [2018-11-23 16:09:07,542 INFO L226 Difference]: Without dead ends: 2057 [2018-11-23 16:09:07,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 16:09:07,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2018-11-23 16:09:07,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2041. [2018-11-23 16:09:07,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2041 states. [2018-11-23 16:09:07,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 2041 states and 2698 transitions. [2018-11-23 16:09:07,590 INFO L78 Accepts]: Start accepts. Automaton has 2041 states and 2698 transitions. Word has length 170 [2018-11-23 16:09:07,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:07,590 INFO L480 AbstractCegarLoop]: Abstraction has 2041 states and 2698 transitions. [2018-11-23 16:09:07,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:09:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 2698 transitions. [2018-11-23 16:09:07,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-23 16:09:07,596 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:07,596 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:09:07,597 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:07,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:07,597 INFO L82 PathProgramCache]: Analyzing trace with hash -226216260, now seen corresponding path program 1 times [2018-11-23 16:09:07,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:09:07,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:07,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:07,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:07,598 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:09:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 43 proven. 5 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 16:09:07,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:07,794 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:09:07,795 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-11-23 16:09:07,797 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [133], [135], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 16:09:07,832 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:09:07,832 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:09:08,335 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:09:08,336 INFO L272 AbstractInterpreter]: Visited 145 different actions 287 times. Merged at 6 different actions 8 times. Never widened. Performed 3109 root evaluator evaluations with a maximum evaluation depth of 8. Performed 3109 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 16:09:08,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:08,344 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:09:08,345 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:08,345 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/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 [2018-11-23 16:09:08,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:08,362 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:09:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:08,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:09:08,558 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:09:08,558 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:09:08,709 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:09:08,724 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 16:09:08,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-11-23 16:09:08,725 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 16:09:08,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 16:09:08,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 16:09:08,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-11-23 16:09:08,726 INFO L87 Difference]: Start difference. First operand 2041 states and 2698 transitions. Second operand 11 states. [2018-11-23 16:09:10,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:10,516 INFO L93 Difference]: Finished difference Result 5250 states and 7150 transitions. [2018-11-23 16:09:10,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 16:09:10,516 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 243 [2018-11-23 16:09:10,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:10,522 INFO L225 Difference]: With dead ends: 5250 [2018-11-23 16:09:10,522 INFO L226 Difference]: Without dead ends: 1633 [2018-11-23 16:09:10,529 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 490 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=431, Unknown=0, NotChecked=0, Total=600 [2018-11-23 16:09:10,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2018-11-23 16:09:10,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1192. [2018-11-23 16:09:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2018-11-23 16:09:10,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1352 transitions. [2018-11-23 16:09:10,551 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1352 transitions. Word has length 243 [2018-11-23 16:09:10,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:10,551 INFO L480 AbstractCegarLoop]: Abstraction has 1192 states and 1352 transitions. [2018-11-23 16:09:10,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 16:09:10,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1352 transitions. [2018-11-23 16:09:10,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-23 16:09:10,554 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:10,554 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 16:09:10,554 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:10,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:10,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1054824384, now seen corresponding path program 1 times [2018-11-23 16:09:10,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:09:10,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:10,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:10,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:10,556 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:09:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:09:11,013 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:11,013 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:09:11,013 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-11-23 16:09:11,013 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [133], [135], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [786], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 16:09:11,017 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:09:11,018 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:09:11,130 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 16:09:11,131 INFO L272 AbstractInterpreter]: Visited 147 different actions 147 times. Never merged. Never widened. Performed 1461 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1461 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 16:09:11,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:11,150 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 16:09:11,453 INFO L227 lantSequenceWeakener]: Weakened 248 states. On average, predicates are now at 72.84% of their original sizes. [2018-11-23 16:09:11,453 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 16:09:11,491 INFO L415 sIntCurrentIteration]: We unified 256 AI predicates to 256 [2018-11-23 16:09:11,492 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 16:09:11,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 16:09:11,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 18 [2018-11-23 16:09:11,493 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:09:11,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:09:11,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:09:11,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:09:11,493 INFO L87 Difference]: Start difference. First operand 1192 states and 1352 transitions. Second operand 6 states. [2018-11-23 16:09:19,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:19,691 INFO L93 Difference]: Finished difference Result 2236 states and 2532 transitions. [2018-11-23 16:09:19,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 16:09:19,692 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 257 [2018-11-23 16:09:19,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:19,694 INFO L225 Difference]: With dead ends: 2236 [2018-11-23 16:09:19,695 INFO L226 Difference]: Without dead ends: 1193 [2018-11-23 16:09:19,696 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 257 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:09:19,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2018-11-23 16:09:19,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1192. [2018-11-23 16:09:19,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2018-11-23 16:09:19,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1332 transitions. [2018-11-23 16:09:19,718 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1332 transitions. Word has length 257 [2018-11-23 16:09:19,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:19,718 INFO L480 AbstractCegarLoop]: Abstraction has 1192 states and 1332 transitions. [2018-11-23 16:09:19,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:09:19,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1332 transitions. [2018-11-23 16:09:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-23 16:09:19,722 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:19,722 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 16:09:19,723 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:19,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:19,723 INFO L82 PathProgramCache]: Analyzing trace with hash -2088165964, now seen corresponding path program 1 times [2018-11-23 16:09:19,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:09:19,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:19,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:19,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:19,724 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:09:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 16:09:19,914 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:19,914 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:09:19,914 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 280 with the following transitions: [2018-11-23 16:09:19,915 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [133], [135], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 16:09:19,920 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:09:19,920 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:09:20,208 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:09:20,208 INFO L272 AbstractInterpreter]: Visited 145 different actions 425 times. Merged at 6 different actions 12 times. Never widened. Performed 4668 root evaluator evaluations with a maximum evaluation depth of 13. Performed 4668 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 16:09:20,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:20,222 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:09:20,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:20,223 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/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 [2018-11-23 16:09:20,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:20,233 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:09:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:20,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:09:20,350 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 16:09:20,350 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:09:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 16:09:20,488 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 16:09:20,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 11 [2018-11-23 16:09:20,488 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:09:20,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:09:20,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:09:20,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 16:09:20,489 INFO L87 Difference]: Start difference. First operand 1192 states and 1332 transitions. Second operand 3 states. [2018-11-23 16:09:20,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:20,770 INFO L93 Difference]: Finished difference Result 2812 states and 3148 transitions. [2018-11-23 16:09:20,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:09:20,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 279 [2018-11-23 16:09:20,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:20,773 INFO L225 Difference]: With dead ends: 2812 [2018-11-23 16:09:20,773 INFO L226 Difference]: Without dead ends: 1623 [2018-11-23 16:09:20,775 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 559 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 16:09:20,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2018-11-23 16:09:20,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1480. [2018-11-23 16:09:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1480 states. [2018-11-23 16:09:20,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 1634 transitions. [2018-11-23 16:09:20,793 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 1634 transitions. Word has length 279 [2018-11-23 16:09:20,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:20,793 INFO L480 AbstractCegarLoop]: Abstraction has 1480 states and 1634 transitions. [2018-11-23 16:09:20,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:09:20,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1634 transitions. [2018-11-23 16:09:20,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-23 16:09:20,796 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:20,797 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:09:20,797 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:20,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:20,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1534802932, now seen corresponding path program 1 times [2018-11-23 16:09:20,797 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:09:20,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:20,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:20,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:20,798 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:09:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 140 proven. 138 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 16:09:21,019 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:21,019 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:09:21,019 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 289 with the following transitions: [2018-11-23 16:09:21,020 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [133], [135], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 16:09:21,022 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:09:21,023 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:09:21,193 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:09:21,193 INFO L272 AbstractInterpreter]: Visited 125 different actions 371 times. Merged at 7 different actions 18 times. Never widened. Performed 3918 root evaluator evaluations with a maximum evaluation depth of 15. Performed 3918 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 16:09:21,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:21,198 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:09:21,198 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:21,198 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/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 [2018-11-23 16:09:21,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:21,216 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:09:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:21,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:09:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 16:09:21,341 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:09:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 16:09:21,617 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 16:09:21,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-11-23 16:09:21,618 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 16:09:21,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 16:09:21,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 16:09:21,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-23 16:09:21,619 INFO L87 Difference]: Start difference. First operand 1480 states and 1634 transitions. Second operand 16 states. [2018-11-23 16:09:25,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:25,048 INFO L93 Difference]: Finished difference Result 4591 states and 5446 transitions. [2018-11-23 16:09:25,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-11-23 16:09:25,049 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 288 [2018-11-23 16:09:25,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:25,058 INFO L225 Difference]: With dead ends: 4591 [2018-11-23 16:09:25,058 INFO L226 Difference]: Without dead ends: 3114 [2018-11-23 16:09:25,063 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 604 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1211 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=730, Invalid=3430, Unknown=0, NotChecked=0, Total=4160 [2018-11-23 16:09:25,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3114 states. [2018-11-23 16:09:25,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3114 to 2746. [2018-11-23 16:09:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2746 states. [2018-11-23 16:09:25,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3033 transitions. [2018-11-23 16:09:25,129 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3033 transitions. Word has length 288 [2018-11-23 16:09:25,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:25,130 INFO L480 AbstractCegarLoop]: Abstraction has 2746 states and 3033 transitions. [2018-11-23 16:09:25,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 16:09:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3033 transitions. [2018-11-23 16:09:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-23 16:09:25,135 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:25,136 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:09:25,136 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:25,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:25,136 INFO L82 PathProgramCache]: Analyzing trace with hash -420751923, now seen corresponding path program 1 times [2018-11-23 16:09:25,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:09:25,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:25,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:25,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:25,137 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:09:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 215 proven. 75 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 16:09:25,377 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:25,377 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:09:25,377 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 302 with the following transitions: [2018-11-23 16:09:25,378 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [133], [135], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [558], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 16:09:25,379 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:09:25,379 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:09:25,556 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:09:25,556 INFO L272 AbstractInterpreter]: Visited 125 different actions 370 times. Merged at 7 different actions 17 times. Never widened. Performed 3890 root evaluator evaluations with a maximum evaluation depth of 18. Performed 3890 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 16:09:25,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:25,566 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:09:25,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:25,567 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/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 [2018-11-23 16:09:25,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:25,583 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:09:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:25,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:09:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-11-23 16:09:25,852 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:09:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-11-23 16:09:25,942 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 16:09:25,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [12] total 14 [2018-11-23 16:09:25,942 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:09:25,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:09:25,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:09:25,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-11-23 16:09:25,943 INFO L87 Difference]: Start difference. First operand 2746 states and 3033 transitions. Second operand 3 states. [2018-11-23 16:09:26,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:26,716 INFO L93 Difference]: Finished difference Result 5915 states and 6620 transitions. [2018-11-23 16:09:26,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:09:26,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2018-11-23 16:09:26,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:26,718 INFO L225 Difference]: With dead ends: 5915 [2018-11-23 16:09:26,718 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 16:09:26,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 600 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-11-23 16:09:26,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 16:09:26,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 16:09:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 16:09:26,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 16:09:26,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 301 [2018-11-23 16:09:26,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:26,726 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 16:09:26,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:09:26,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 16:09:26,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 16:09:26,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 16:09:26,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:26,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:26,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:26,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:26,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:26,920 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 155 [2018-11-23 16:09:26,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:26,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:26,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:26,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:26,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:27,027 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 153 [2018-11-23 16:09:28,125 WARN L180 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 69 [2018-11-23 16:09:30,470 WARN L180 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 166 DAG size of output: 66 [2018-11-23 16:09:30,963 WARN L180 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 66 [2018-11-23 16:09:30,965 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:09:30,965 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-23 16:09:30,965 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:09:30,965 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-23 16:09:30,965 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,965 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,965 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,965 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,965 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,965 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,965 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-23 16:09:30,965 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-23 16:09:30,966 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-23 16:09:30,967 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,968 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 16:09:30,969 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,970 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 70) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse10 (= |old(~a19~0)| ~a19~0)) (.cse11 (= |old(~a10~0)| ~a10~0))) (let ((.cse2 (= 10 |old(~a19~0)|)) (.cse6 (= 8 |old(~a19~0)|)) (.cse4 (= 2 |old(~a10~0)|)) (.cse9 (and .cse10 .cse11)) (.cse7 (forall ((v_prenex_8 Int)) (let ((.cse13 (* 9 v_prenex_8))) (let ((.cse12 (div .cse13 10))) (or (< .cse12 0) (< .cse13 0) (< (+ (mod .cse12 25) 12) |old(~a1~0)|)))))) (.cse0 (= 4 |old(~a10~0)|)) (.cse5 (< 8 |old(~a19~0)|)) (.cse1 (and .cse10 .cse11 (= ~a1~0 |old(~a1~0)|))) (.cse8 (= 0 |old(~a10~0)|)) (.cse3 (= 1 |old(~a10~0)|))) (and (or (< |old(~a10~0)| 1) .cse0 .cse1 (< |old(~a1~0)| 219) .cse2 .cse3) (or .cse1 (not (= 9 |old(~a19~0)|)) .cse4) (or .cse0 (< 0 (+ |old(~a1~0)| 437977)) .cse5 (<= (+ ~a1~0 437977) 0) .cse3) (or (not .cse3) .cse1 .cse6) (or .cse7 (or .cse2 .cse6) .cse1) (or .cse7 (or .cse0 .cse4 .cse6) .cse1) (or (or .cse2 .cse4 .cse6) .cse1 .cse8) (or .cse5 .cse9 .cse6) (or .cse5 .cse4 .cse9) (or .cse7 .cse0 .cse5 .cse1 .cse8 .cse3)))) [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-23 16:09:30,971 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,972 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-23 16:09:30,973 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 16:09:30,974 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 16:09:30,975 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 16:09:30,975 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 16:09:30,975 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-23 16:09:30,975 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-23 16:09:30,975 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-23 16:09:30,975 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:09:30,975 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-23 16:09:30,975 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 16:09:30,975 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:09:30,975 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (and (= |old(~a19~0)| ~a19~0) (= ~a1~0 23) (= |old(~a10~0)| ~a10~0)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-23 16:09:30,975 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-23 16:09:30,976 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 10))) (.cse1 (exists ((v_prenex_8 Int)) (let ((.cse4 (* 9 v_prenex_8))) (let ((.cse3 (div .cse4 10))) (and (<= ~a1~0 (+ (mod .cse3 25) 12)) (<= 0 .cse4) (<= 0 .cse3)))))) (.cse2 (not (= 2 ~a10~0)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (= 1 ~a10~0) (and (< 218 ~a1~0) .cse0 (<= 1 ~a10~0)) (and .cse0 .cse1) (not (= 9 |old(~a19~0)|)) (and (= 8 ~a19~0) .cse2) (and (not (= ~a10~0 0)) (and .cse0 .cse2)) (not (= 14 ~a4~0)) (and (<= ~a19~0 8) (not (= ~a19~0 8))) (and (= |old(~a19~0)| ~a19~0) .cse2) (and .cse1 (and (not (= ~a10~0 4)) .cse2)))) [2018-11-23 16:09:30,976 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 16:09:30,976 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-23 16:09:30,976 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 10))) (.cse1 (exists ((v_prenex_8 Int)) (let ((.cse4 (* 9 v_prenex_8))) (let ((.cse3 (div .cse4 10))) (and (<= ~a1~0 (+ (mod .cse3 25) 12)) (<= 0 .cse4) (<= 0 .cse3)))))) (.cse2 (not (= 2 ~a10~0)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (= 1 ~a10~0) (and (< 218 ~a1~0) .cse0 (<= 1 ~a10~0)) (and .cse0 .cse1) (not (= 9 |old(~a19~0)|)) (and (= 8 ~a19~0) .cse2) (and (not (= ~a10~0 0)) (and .cse0 .cse2)) (not (= 14 ~a4~0)) (and (<= ~a19~0 8) (not (= ~a19~0 8))) (and (= |old(~a19~0)| ~a19~0) .cse2) (and .cse1 (and (not (= ~a10~0 4)) .cse2)))) [2018-11-23 16:09:30,976 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-23 16:09:30,981 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:30,981 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:30,982 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:30,982 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:30,982 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:30,982 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:30,986 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:30,986 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:30,986 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:30,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:30,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:30,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:30,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:09:30 BoogieIcfgContainer [2018-11-23 16:09:30,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 16:09:30,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 16:09:30,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 16:09:30,990 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 16:09:30,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:03" (3/4) ... [2018-11-23 16:09:30,993 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 16:09:30,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 16:09:30,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 16:09:30,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 16:09:31,007 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 16:09:31,008 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 16:09:31,029 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(23 == \old(a1)) || !(0 == a12)) || !(0 == \old(a10))) || 1 == a10) || ((218 < a1 && !(a19 == 10)) && 1 <= a10)) || (!(a19 == 10) && (\exists v_prenex_8 : int :: (a1 <= 9 * v_prenex_8 / 10 % 25 + 12 && 0 <= 9 * v_prenex_8) && 0 <= 9 * v_prenex_8 / 10))) || !(9 == \old(a19))) || (8 == a19 && !(2 == a10))) || (!(a10 == 0) && !(a19 == 10) && !(2 == a10))) || !(14 == a4)) || (a19 <= 8 && !(a19 == 8))) || (\old(a19) == a19 && !(2 == a10))) || ((\exists v_prenex_8 : int :: (a1 <= 9 * v_prenex_8 / 10 % 25 + 12 && 0 <= 9 * v_prenex_8) && 0 <= 9 * v_prenex_8 / 10) && !(a10 == 4) && !(2 == a10)) [2018-11-23 16:09:31,099 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_82a25287-f728-4420-b763-477fde9af2c9/bin-2019/utaipan/witness.graphml [2018-11-23 16:09:31,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 16:09:31,100 INFO L168 Benchmark]: Toolchain (without parser) took 29416.71 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 956.6 MB in the beginning and 824.9 MB in the end (delta: 131.7 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-23 16:09:31,101 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:09:31,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.13 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-23 16:09:31,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -216.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 16:09:31,101 INFO L168 Benchmark]: Boogie Preprocessor took 51.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 16:09:31,101 INFO L168 Benchmark]: RCFGBuilder took 951.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2018-11-23 16:09:31,101 INFO L168 Benchmark]: TraceAbstraction took 27865.06 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 1.0 GB in the beginning and 865.2 MB in the end (delta: 161.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-23 16:09:31,102 INFO L168 Benchmark]: Witness Printer took 109.55 ms. Allocated memory is still 3.0 GB. Free memory was 865.2 MB in the beginning and 824.9 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-23 16:09:31,103 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.13 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -216.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 951.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27865.06 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 1.0 GB in the beginning and 865.2 MB in the end (delta: 161.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 109.55 ms. Allocated memory is still 3.0 GB. Free memory was 865.2 MB in the beginning and 824.9 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 70]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant [2018-11-23 16:09:31,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:31,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:31,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:31,111 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:31,111 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:31,111 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:31,111 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:31,112 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:31,112 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:31,112 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:31,112 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-11-23 16:09:31,112 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] Derived loop invariant: (((((((((((!(23 == \old(a1)) || !(0 == a12)) || !(0 == \old(a10))) || 1 == a10) || ((218 < a1 && !(a19 == 10)) && 1 <= a10)) || (!(a19 == 10) && (\exists v_prenex_8 : int :: (a1 <= 9 * v_prenex_8 / 10 % 25 + 12 && 0 <= 9 * v_prenex_8) && 0 <= 9 * v_prenex_8 / 10))) || !(9 == \old(a19))) || (8 == a19 && !(2 == a10))) || (!(a10 == 0) && !(a19 == 10) && !(2 == a10))) || !(14 == a4)) || (a19 <= 8 && !(a19 == 8))) || (\old(a19) == a19 && !(2 == a10))) || ((\exists v_prenex_8 : int :: (a1 <= 9 * v_prenex_8 / 10 % 25 + 12 && 0 <= 9 * v_prenex_8) && 0 <= 9 * v_prenex_8 / 10) && !(a10 == 4) && !(2 == a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 27.8s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 17.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 966 SDtfs, 8423 SDslu, 1062 SDs, 0 SdLazy, 13942 SolverSat, 2639 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2669 GetRequests, 2516 SyntacticMatches, 17 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2746occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9978008319805197 AbsIntWeakeningRatio, 0.1015625 AbsIntAvgWeakeningVarsNumRemoved, 15.421875 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1015 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 120 PreInvPairs, 202 NumberOfFragments, 622 HoareAnnotationTreeSize, 120 FomulaSimplifications, 7422 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7675 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 3049 NumberOfCodeBlocks, 3049 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4142 ConstructedInterpolants, 24 QuantifiedInterpolants, 5308571 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1885 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2492/2769 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...