./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/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 f8826e63977e5204bfb153113fa32b1df4948bea .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:43:17,643 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:43:17,645 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:43:17,653 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:43:17,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:43:17,654 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:43:17,655 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:43:17,656 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:43:17,657 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:43:17,657 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:43:17,658 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:43:17,658 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:43:17,659 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:43:17,660 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:43:17,661 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:43:17,662 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:43:17,662 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:43:17,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:43:17,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:43:17,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:43:17,668 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:43:17,669 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:43:17,670 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:43:17,670 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:43:17,670 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:43:17,671 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:43:17,672 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:43:17,672 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:43:17,673 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:43:17,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:43:17,674 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:43:17,674 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:43:17,675 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:43:17,675 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:43:17,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:43:17,676 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:43:17,676 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:43:17,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:43:17,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:43:17,689 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:43:17,690 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:43:17,690 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:43:17,690 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:43:17,690 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:43:17,690 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:43:17,690 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:43:17,691 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:43:17,691 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:43:17,691 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:43:17,691 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:43:17,692 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:43:17,692 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:43:17,692 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:43:17,692 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:43:17,692 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:43:17,692 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:43:17,694 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:43:17,694 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:43:17,694 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:43:17,695 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:43:17,695 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:43:17,695 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:43:17,695 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:43:17,695 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:43:17,695 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:43:17,695 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:43:17,696 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:43:17,696 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:43:17,696 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:43:17,696 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:43:17,696 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:43:17,696 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:43:17,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:43:17,697 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:43:17,697 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_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/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 -> f8826e63977e5204bfb153113fa32b1df4948bea [2018-11-23 03:43:17,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:43:17,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:43:17,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:43:17,741 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:43:17,741 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:43:17,742 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-23 03:43:17,794 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/bin-2019/utaipan/data/cb055490e/13f77c7d87e548179859463705b519a9/FLAGb51993a65 [2018-11-23 03:43:18,205 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:43:18,206 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-23 03:43:18,215 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/bin-2019/utaipan/data/cb055490e/13f77c7d87e548179859463705b519a9/FLAGb51993a65 [2018-11-23 03:43:18,228 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/bin-2019/utaipan/data/cb055490e/13f77c7d87e548179859463705b519a9 [2018-11-23 03:43:18,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:43:18,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:43:18,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:43:18,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:43:18,237 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:43:18,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:18" (1/1) ... [2018-11-23 03:43:18,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18, skipping insertion in model container [2018-11-23 03:43:18,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:18" (1/1) ... [2018-11-23 03:43:18,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:43:18,286 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:43:18,539 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:43:18,542 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:43:18,607 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:43:18,620 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:43:18,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18 WrapperNode [2018-11-23 03:43:18,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:43:18,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:43:18,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:43:18,621 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:43:18,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18" (1/1) ... [2018-11-23 03:43:18,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18" (1/1) ... [2018-11-23 03:43:18,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:43:18,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:43:18,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:43:18,699 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:43:18,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18" (1/1) ... [2018-11-23 03:43:18,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18" (1/1) ... [2018-11-23 03:43:18,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18" (1/1) ... [2018-11-23 03:43:18,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18" (1/1) ... [2018-11-23 03:43:18,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18" (1/1) ... [2018-11-23 03:43:18,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18" (1/1) ... [2018-11-23 03:43:18,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18" (1/1) ... [2018-11-23 03:43:18,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:43:18,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:43:18,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:43:18,754 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:43:18,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/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 03:43:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 03:43:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:43:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:43:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 03:43:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 03:43:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:43:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:43:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:43:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:43:19,749 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:43:19,749 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 03:43:19,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:19 BoogieIcfgContainer [2018-11-23 03:43:19,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:43:19,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:43:19,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:43:19,754 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:43:19,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:43:18" (1/3) ... [2018-11-23 03:43:19,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:43:19, skipping insertion in model container [2018-11-23 03:43:19,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:18" (2/3) ... [2018-11-23 03:43:19,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:43:19, skipping insertion in model container [2018-11-23 03:43:19,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:19" (3/3) ... [2018-11-23 03:43:19,757 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label28_true-unreach-call_false-termination.c [2018-11-23 03:43:19,765 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:43:19,771 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:43:19,783 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:43:19,810 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:43:19,811 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:43:19,811 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:43:19,811 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:43:19,811 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:43:19,811 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:43:19,811 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:43:19,811 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:43:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 03:43:19,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 03:43:19,843 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:19,844 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:43:19,846 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:19,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:19,850 INFO L82 PathProgramCache]: Analyzing trace with hash 619051294, now seen corresponding path program 1 times [2018-11-23 03:43:19,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:43:19,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:19,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:19,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:19,888 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:43:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:20,188 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 03:43:20,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:43:20,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:43:20,190 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:43:20,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:43:20,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:43:20,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:43:20,206 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 03:43:20,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:20,890 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-11-23 03:43:20,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:43:20,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2018-11-23 03:43:20,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:20,904 INFO L225 Difference]: With dead ends: 615 [2018-11-23 03:43:20,904 INFO L226 Difference]: Without dead ends: 377 [2018-11-23 03:43:20,908 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 03:43:20,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-23 03:43:20,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-11-23 03:43:20,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-23 03:43:20,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 619 transitions. [2018-11-23 03:43:20,967 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 619 transitions. Word has length 130 [2018-11-23 03:43:20,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:20,968 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 619 transitions. [2018-11-23 03:43:20,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:43:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 619 transitions. [2018-11-23 03:43:20,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 03:43:20,973 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:20,974 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:43:20,974 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:20,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:20,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1219362173, now seen corresponding path program 1 times [2018-11-23 03:43:20,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:43:20,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:20,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:20,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:20,977 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:43:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:43:21,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:43:21,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:43:21,119 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:43:21,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:43:21,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:43:21,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:43:21,121 INFO L87 Difference]: Start difference. First operand 377 states and 619 transitions. Second operand 6 states. [2018-11-23 03:43:21,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:21,898 INFO L93 Difference]: Finished difference Result 1220 states and 2085 transitions. [2018-11-23 03:43:21,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 03:43:21,901 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-11-23 03:43:21,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:21,909 INFO L225 Difference]: With dead ends: 1220 [2018-11-23 03:43:21,909 INFO L226 Difference]: Without dead ends: 849 [2018-11-23 03:43:21,912 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 03:43:21,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2018-11-23 03:43:21,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 819. [2018-11-23 03:43:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2018-11-23 03:43:21,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1288 transitions. [2018-11-23 03:43:21,950 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1288 transitions. Word has length 145 [2018-11-23 03:43:21,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:21,950 INFO L480 AbstractCegarLoop]: Abstraction has 819 states and 1288 transitions. [2018-11-23 03:43:21,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:43:21,950 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1288 transitions. [2018-11-23 03:43:21,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 03:43:21,955 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:21,955 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:21,955 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:21,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:21,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1862479560, now seen corresponding path program 1 times [2018-11-23 03:43:21,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:43:21,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:21,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:21,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:21,957 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:43:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 03:43:22,050 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:22,050 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:43:22,051 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-23 03:43:22,053 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:43:22,091 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:43:22,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:43:22,462 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:43:22,463 INFO L272 AbstractInterpreter]: Visited 131 different actions 131 times. Never merged. Never widened. Performed 1449 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1449 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 03:43:22,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:22,489 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:43:22,830 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 81.17% of their original sizes. [2018-11-23 03:43:22,830 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:43:22,881 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-23 03:43:22,881 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:43:22,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:43:22,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 03:43:22,882 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:43:22,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:43:22,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:43:22,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:43:22,884 INFO L87 Difference]: Start difference. First operand 819 states and 1288 transitions. Second operand 6 states. [2018-11-23 03:43:25,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:25,847 INFO L93 Difference]: Finished difference Result 1780 states and 2795 transitions. [2018-11-23 03:43:25,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:43:25,848 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-11-23 03:43:25,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:25,852 INFO L225 Difference]: With dead ends: 1780 [2018-11-23 03:43:25,852 INFO L226 Difference]: Without dead ends: 967 [2018-11-23 03:43:25,854 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 148 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 03:43:25,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2018-11-23 03:43:25,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 965. [2018-11-23 03:43:25,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2018-11-23 03:43:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1441 transitions. [2018-11-23 03:43:25,875 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1441 transitions. Word has length 153 [2018-11-23 03:43:25,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:25,875 INFO L480 AbstractCegarLoop]: Abstraction has 965 states and 1441 transitions. [2018-11-23 03:43:25,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:43:25,875 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1441 transitions. [2018-11-23 03:43:25,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 03:43:25,879 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:25,879 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-23 03:43:25,879 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:25,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:25,879 INFO L82 PathProgramCache]: Analyzing trace with hash 534852343, now seen corresponding path program 1 times [2018-11-23 03:43:25,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:43:25,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:25,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:25,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:25,881 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:43:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 03:43:25,986 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:25,986 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:43:25,987 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-11-23 03:43:25,987 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:43:25,992 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:43:25,992 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:43:26,375 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:43:26,375 INFO L272 AbstractInterpreter]: Visited 135 different actions 400 times. Merged at 6 different actions 15 times. Never widened. Performed 4518 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4518 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 03:43:26,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:26,389 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:43:26,645 INFO L227 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 84.82% of their original sizes. [2018-11-23 03:43:26,645 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:43:26,709 INFO L415 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2018-11-23 03:43:26,709 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:43:26,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:43:26,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 03:43:26,709 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:43:26,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:43:26,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:43:26,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:43:26,710 INFO L87 Difference]: Start difference. First operand 965 states and 1441 transitions. Second operand 9 states. [2018-11-23 03:43:29,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:29,918 INFO L93 Difference]: Finished difference Result 2380 states and 3567 transitions. [2018-11-23 03:43:29,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 03:43:29,918 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 162 [2018-11-23 03:43:29,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:29,924 INFO L225 Difference]: With dead ends: 2380 [2018-11-23 03:43:29,924 INFO L226 Difference]: Without dead ends: 1421 [2018-11-23 03:43:29,926 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-23 03:43:29,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2018-11-23 03:43:29,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1344. [2018-11-23 03:43:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1344 states. [2018-11-23 03:43:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1922 transitions. [2018-11-23 03:43:29,959 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1922 transitions. Word has length 162 [2018-11-23 03:43:29,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:29,959 INFO L480 AbstractCegarLoop]: Abstraction has 1344 states and 1922 transitions. [2018-11-23 03:43:29,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:43:29,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1922 transitions. [2018-11-23 03:43:29,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 03:43:29,963 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:29,963 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-11-23 03:43:29,963 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:29,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:29,963 INFO L82 PathProgramCache]: Analyzing trace with hash -598091737, now seen corresponding path program 1 times [2018-11-23 03:43:29,963 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:43:29,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:29,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:29,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:29,964 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:43:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:43:30,046 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:30,046 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:43:30,047 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-23 03:43:30,047 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:43:30,050 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:43:30,050 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:43:30,159 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:43:30,159 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 4 different actions 4 times. Never widened. Performed 2876 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2876 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 03:43:30,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:30,165 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:43:30,374 INFO L227 lantSequenceWeakener]: Weakened 158 states. On average, predicates are now at 81.15% of their original sizes. [2018-11-23 03:43:30,374 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:43:30,419 INFO L415 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-11-23 03:43:30,419 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:43:30,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:43:30,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 03:43:30,420 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:43:30,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:43:30,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:43:30,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:43:30,420 INFO L87 Difference]: Start difference. First operand 1344 states and 1922 transitions. Second operand 10 states. [2018-11-23 03:43:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:32,342 INFO L93 Difference]: Finished difference Result 2978 states and 4231 transitions. [2018-11-23 03:43:32,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 03:43:32,342 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2018-11-23 03:43:32,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:32,346 INFO L225 Difference]: With dead ends: 2978 [2018-11-23 03:43:32,346 INFO L226 Difference]: Without dead ends: 1640 [2018-11-23 03:43:32,349 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 170 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 03:43:32,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2018-11-23 03:43:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1637. [2018-11-23 03:43:32,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2018-11-23 03:43:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2262 transitions. [2018-11-23 03:43:32,379 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2262 transitions. Word has length 161 [2018-11-23 03:43:32,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:32,379 INFO L480 AbstractCegarLoop]: Abstraction has 1637 states and 2262 transitions. [2018-11-23 03:43:32,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:43:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2262 transitions. [2018-11-23 03:43:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 03:43:32,382 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:32,382 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:32,382 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:32,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:32,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1368930657, now seen corresponding path program 1 times [2018-11-23 03:43:32,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:43:32,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:32,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:32,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:32,384 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:43:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:43:32,574 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:32,574 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:43:32,574 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-11-23 03:43:32,574 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:43:32,576 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:43:32,576 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:43:32,764 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:43:32,764 INFO L272 AbstractInterpreter]: Visited 135 different actions 398 times. Merged at 6 different actions 15 times. Never widened. Performed 4736 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4736 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 03:43:32,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:32,769 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:43:32,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:32,769 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/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 03:43:32,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:32,778 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:43:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:32,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:43:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:43:32,922 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:43:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:43:33,018 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:43:33,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-11-23 03:43:33,018 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:43:33,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:43:33,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:43:33,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:43:33,019 INFO L87 Difference]: Start difference. First operand 1637 states and 2262 transitions. Second operand 3 states. [2018-11-23 03:43:33,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:33,414 INFO L93 Difference]: Finished difference Result 4195 states and 6075 transitions. [2018-11-23 03:43:33,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:43:33,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2018-11-23 03:43:33,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:33,420 INFO L225 Difference]: With dead ends: 4195 [2018-11-23 03:43:33,421 INFO L226 Difference]: Without dead ends: 2564 [2018-11-23 03:43:33,423 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 329 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:43:33,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2018-11-23 03:43:33,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2561. [2018-11-23 03:43:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2561 states. [2018-11-23 03:43:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3660 transitions. [2018-11-23 03:43:33,456 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3660 transitions. Word has length 165 [2018-11-23 03:43:33,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:33,456 INFO L480 AbstractCegarLoop]: Abstraction has 2561 states and 3660 transitions. [2018-11-23 03:43:33,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:43:33,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3660 transitions. [2018-11-23 03:43:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 03:43:33,461 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:33,461 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:33,461 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:33,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:33,462 INFO L82 PathProgramCache]: Analyzing trace with hash 2109202102, now seen corresponding path program 1 times [2018-11-23 03:43:33,462 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:43:33,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:33,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:33,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:33,463 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:43:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:33,526 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 03:43:33,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:33,526 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:43:33,527 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-11-23 03:43:33,527 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:43:33,528 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:43:33,528 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:43:33,739 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:43:33,739 INFO L272 AbstractInterpreter]: Visited 136 different actions 401 times. Merged at 7 different actions 15 times. Never widened. Performed 4671 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4671 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 03:43:33,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:33,741 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:43:33,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:33,741 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/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 03:43:33,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:33,749 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:43:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:33,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:43:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:43:33,837 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:43:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:43:33,909 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:43:33,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 03:43:33,910 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:43:33,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:43:33,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:43:33,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:43:33,910 INFO L87 Difference]: Start difference. First operand 2561 states and 3660 transitions. Second operand 9 states. [2018-11-23 03:43:35,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:35,852 INFO L93 Difference]: Finished difference Result 8551 states and 13030 transitions. [2018-11-23 03:43:35,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 03:43:35,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 193 [2018-11-23 03:43:35,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:35,864 INFO L225 Difference]: With dead ends: 8551 [2018-11-23 03:43:35,864 INFO L226 Difference]: Without dead ends: 4596 [2018-11-23 03:43:35,873 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 405 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=354, Invalid=1128, Unknown=0, NotChecked=0, Total=1482 [2018-11-23 03:43:35,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4596 states. [2018-11-23 03:43:35,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4596 to 4511. [2018-11-23 03:43:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4511 states. [2018-11-23 03:43:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4511 states and 5588 transitions. [2018-11-23 03:43:35,933 INFO L78 Accepts]: Start accepts. Automaton has 4511 states and 5588 transitions. Word has length 193 [2018-11-23 03:43:35,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:35,933 INFO L480 AbstractCegarLoop]: Abstraction has 4511 states and 5588 transitions. [2018-11-23 03:43:35,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:43:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4511 states and 5588 transitions. [2018-11-23 03:43:35,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 03:43:35,940 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:35,940 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:43:35,940 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:35,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:35,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1611054199, now seen corresponding path program 1 times [2018-11-23 03:43:35,941 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:43:35,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:35,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:35,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:35,941 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:43:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 140 proven. 77 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 03:43:36,074 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:36,075 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:43:36,075 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-11-23 03:43:36,075 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [336], [341], [343], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:43:36,077 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:43:36,078 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:43:36,292 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:43:36,292 INFO L272 AbstractInterpreter]: Visited 138 different actions 407 times. Merged at 7 different actions 17 times. Never widened. Performed 4639 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4639 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 03:43:36,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:36,293 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:43:36,532 INFO L227 lantSequenceWeakener]: Weakened 203 states. On average, predicates are now at 85.03% of their original sizes. [2018-11-23 03:43:36,532 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:43:36,731 INFO L415 sIntCurrentIteration]: We unified 276 AI predicates to 276 [2018-11-23 03:43:36,731 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:43:36,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:43:36,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [10] total 27 [2018-11-23 03:43:36,731 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:43:36,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 03:43:36,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 03:43:36,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:43:36,732 INFO L87 Difference]: Start difference. First operand 4511 states and 5588 transitions. Second operand 19 states. [2018-11-23 03:43:45,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:45,039 INFO L93 Difference]: Finished difference Result 10533 states and 13282 transitions. [2018-11-23 03:43:45,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-23 03:43:45,039 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 277 [2018-11-23 03:43:45,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:45,048 INFO L225 Difference]: With dead ends: 10533 [2018-11-23 03:43:45,048 INFO L226 Difference]: Without dead ends: 6321 [2018-11-23 03:43:45,053 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 309 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=421, Invalid=2231, Unknown=0, NotChecked=0, Total=2652 [2018-11-23 03:43:45,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6321 states. [2018-11-23 03:43:45,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6321 to 6197. [2018-11-23 03:43:45,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6197 states. [2018-11-23 03:43:45,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6197 states to 6197 states and 7339 transitions. [2018-11-23 03:43:45,123 INFO L78 Accepts]: Start accepts. Automaton has 6197 states and 7339 transitions. Word has length 277 [2018-11-23 03:43:45,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:45,124 INFO L480 AbstractCegarLoop]: Abstraction has 6197 states and 7339 transitions. [2018-11-23 03:43:45,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 03:43:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand 6197 states and 7339 transitions. [2018-11-23 03:43:45,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-23 03:43:45,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:45,133 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:43:45,133 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:45,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:45,133 INFO L82 PathProgramCache]: Analyzing trace with hash -2065590894, now seen corresponding path program 1 times [2018-11-23 03:43:45,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:43:45,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:45,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:45,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:45,134 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:43:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 154 proven. 20 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-23 03:43:45,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:45,216 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:43:45,216 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 286 with the following transitions: [2018-11-23 03:43:45,216 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [336], [341], [343], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:43:45,218 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:43:45,218 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:43:45,437 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:43:45,437 INFO L272 AbstractInterpreter]: Visited 139 different actions 552 times. Merged at 8 different actions 32 times. Widened at 1 different actions 1 times. Performed 6411 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6411 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 03:43:45,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:45,438 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:43:45,613 INFO L227 lantSequenceWeakener]: Weakened 203 states. On average, predicates are now at 87.52% of their original sizes. [2018-11-23 03:43:45,613 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:43:45,720 INFO L415 sIntCurrentIteration]: We unified 284 AI predicates to 284 [2018-11-23 03:43:45,720 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:43:45,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:43:45,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [5] total 21 [2018-11-23 03:43:45,720 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:43:45,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 03:43:45,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 03:43:45,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2018-11-23 03:43:45,721 INFO L87 Difference]: Start difference. First operand 6197 states and 7339 transitions. Second operand 18 states. [2018-11-23 03:43:51,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:51,996 INFO L93 Difference]: Finished difference Result 10951 states and 13332 transitions. [2018-11-23 03:43:51,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-23 03:43:51,996 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 285 [2018-11-23 03:43:51,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:51,996 INFO L225 Difference]: With dead ends: 10951 [2018-11-23 03:43:51,996 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:43:52,011 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 302 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=262, Invalid=998, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 03:43:52,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:43:52,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:43:52,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:43:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:43:52,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 285 [2018-11-23 03:43:52,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:52,012 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:43:52,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 03:43:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:43:52,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:43:52,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:43:52,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,713 WARN L180 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 161 [2018-11-23 03:43:52,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:52,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:53,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:43:53,014 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 152 [2018-11-23 03:43:53,266 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2018-11-23 03:43:54,411 WARN L180 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 259 DAG size of output: 123 [2018-11-23 03:43:54,864 WARN L180 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 99 [2018-11-23 03:43:55,355 WARN L180 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 96 [2018-11-23 03:43:55,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:43:55,357 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-23 03:43:55,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:43:55,358 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,358 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,358 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,358 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,358 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,358 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 03:43:55,358 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 03:43:55,358 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 03:43:55,358 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 03:43:55,358 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 03:43:55,358 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 03:43:55,358 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 03:43:55,359 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 03:43:55,359 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 03:43:55,359 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 03:43:55,359 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 03:43:55,359 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 03:43:55,359 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 03:43:55,359 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,359 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,359 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,359 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,359 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 03:43:55,359 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 03:43:55,360 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 03:43:55,361 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 03:43:55,361 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2018-11-23 03:43:55,361 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 03:43:55,361 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,361 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,361 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,361 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,361 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,361 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 03:43:55,361 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 03:43:55,361 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,362 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 03:43:55,363 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 03:43:55,364 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,364 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,364 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,364 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,364 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,364 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 03:43:55,364 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 03:43:55,364 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 03:43:55,364 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 03:43:55,364 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 03:43:55,364 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 03:43:55,364 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,365 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,366 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 03:43:55,366 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,366 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 03:43:55,366 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,366 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 03:43:55,366 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 03:43:55,366 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 03:43:55,366 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,366 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,366 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 03:43:55,366 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 03:43:55,366 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 03:43:55,367 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 03:43:55,367 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 03:43:55,367 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 03:43:55,367 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 03:43:55,367 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 03:43:55,367 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 03:43:55,367 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 03:43:55,367 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 03:43:55,367 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,367 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,367 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,368 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,368 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,368 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,368 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 03:43:55,368 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 03:43:55,368 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 03:43:55,368 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 03:43:55,368 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 03:43:55,368 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 03:43:55,368 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 03:43:55,368 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 03:43:55,369 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 03:43:55,369 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 03:43:55,369 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 03:43:55,369 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,369 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,369 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,369 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,369 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,369 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,369 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 03:43:55,369 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 03:43:55,369 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,370 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,371 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,371 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse18 (<= ~a28~0 10)) (.cse22 (not (= ~a28~0 0))) (.cse23 (= ~a17~0 8)) (.cse35 (= |old(~a19~0)| ~a19~0)) (.cse21 (= ~a11~0 |old(~a11~0)|)) (.cse20 (= ~a25~0 |old(~a25~0)|))) (let ((.cse30 (and (<= ~a17~0 |old(~a17~0)|) .cse35 .cse21 .cse20)) (.cse31 (< 7 |old(~a17~0)|)) (.cse0 (and .cse18 .cse35 .cse20 .cse21 .cse22 .cse23)) (.cse9 (< 10 |old(~a28~0)|)) (.cse32 (= |old(~a11~0)| |old(~a19~0)|)) (.cse5 (not (= 1 |old(~a25~0)|))) (.cse6 (= |old(~a28~0)| 0)) (.cse19 (= ~a19~0 1)) (.cse24 (not (= 1 |old(~a19~0)|))) (.cse28 (not (= 0 |old(~a25~0)|))) (.cse3 (not (= ~a21~0 1))) (.cse25 (= ~a28~0 7)) (.cse33 (= ~a28~0 8)) (.cse1 (not (= ~v~0 22))) (.cse2 (not (= ~u~0 21))) (.cse4 (not (= ~y~0 25))) (.cse7 (not (= 3 ~c~0))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse29 (not (= 7 |old(~a28~0)|))) (.cse26 (not (= 1 ~a21~0))) (.cse34 (not (= 8 |old(~a28~0)|))) (.cse10 (not (= ~a~0 1))) (.cse11 (not (= 26 ~z~0))) (.cse12 (not (= ~x~0 24))) (.cse13 (not (= 8 |old(~a17~0)|))) (.cse14 (not (= ~e~0 5))) (.cse15 (not (= ~d~0 4))) (.cse16 (not (= 6 ~f~0))) (.cse17 (not (= ~w~0 23)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (or (and .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse24 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse1 .cse2 (or .cse25 (= ~a28~0 10)) .cse4 .cse7 (let ((.cse27 (not (= 0 |old(~a11~0)|)))) (and (or .cse26 (not (= 10 |old(~a28~0)|)) .cse27 .cse28) (or .cse26 .cse29 .cse27 .cse28))) .cse8 .cse10 .cse11 .cse24 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse30 .cse9 .cse31) (or .cse30 .cse5 .cse31) (or .cse18 .cse9 .cse31) (or .cse0 .cse1 .cse2 .cse32 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse1 .cse2 .cse32 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and .cse19 .cse20 .cse21 .cse22 .cse23) .cse10 .cse11 .cse24 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse33 .cse1 .cse2 .cse28 .cse3 .cse4 .cse7 .cse34 .cse8 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (or (and (or .cse25 .cse33) .cse35 .cse20 .cse21 .cse23) .cse1 .cse2 .cse4 .cse7 .cse8 (and (or .cse26 .cse29) (or .cse26 .cse34)) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17)))) [2018-11-23 03:43:55,371 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,371 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,371 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,372 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 03:43:55,372 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 03:43:55,372 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 03:43:55,372 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 03:43:55,372 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 03:43:55,372 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 03:43:55,372 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 03:43:55,372 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 03:43:55,372 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 03:43:55,372 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 03:43:55,372 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 03:43:55,372 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 03:43:55,373 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,374 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,375 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,375 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:43:55,375 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 03:43:55,375 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 03:43:55,375 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 03:43:55,375 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 03:43:55,375 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 03:43:55,375 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 03:43:55,375 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 03:43:55,375 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 03:43:55,375 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 03:43:55,375 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 03:43:55,376 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 03:43:55,376 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 03:43:55,376 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 03:43:55,376 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 03:43:55,376 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 03:43:55,376 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 03:43:55,376 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 03:43:55,376 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 03:43:55,376 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 03:43:55,376 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:43:55,376 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-23 03:43:55,377 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:43:55,377 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:43:55,377 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-23 03:43:55,377 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 1 ~a25~0)) (.cse1 (= ~a19~0 1)) (.cse8 (= ~a28~0 7)) (.cse2 (not (= main_~input~0 0))) (.cse3 (not (= main_~output~0 0))) (.cse4 (not (= ~a28~0 0))) (.cse5 (= ~a17~0 8)) (.cse6 (not (= ~a19~0 ~a11~0))) (.cse7 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5) (not (= ~e~0 5)) (not (= ~d~0 4)) (and (= ~a11~0 0) .cse1 .cse8 (= ~a25~0 |old(~a25~0)|) .cse3 .cse5) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (and (or .cse8 (= ~a28~0 8)) .cse2 .cse3 .cse5) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= ~a17~0 7) .cse7) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-23 03:43:55,377 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 03:43:55,377 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 03:43:55,378 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 10)) (.cse6 (= 1 ~a25~0)) (.cse1 (= ~a19~0 1)) (.cse2 (not (= main_~input~0 0))) (.cse3 (not (= main_~output~0 0))) (.cse4 (not (= ~a28~0 0))) (.cse5 (= ~a17~0 8)) (.cse7 (not (= ~a19~0 ~a11~0)))) (or (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and .cse6 .cse0 .cse2 .cse3 .cse4 .cse5) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (and (or (= ~a28~0 7) (= ~a28~0 8)) .cse2 .cse3 .cse5) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse7) (and (<= ~a17~0 7) .cse0) (not (= ~a~0 1)) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-23 03:43:55,378 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 03:43:55,378 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 03:43:55,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:43:55 BoogieIcfgContainer [2018-11-23 03:43:55,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:43:55,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:43:55,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:43:55,392 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:43:55,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:19" (3/4) ... [2018-11-23 03:43:55,399 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:43:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:43:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 03:43:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:43:55,421 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 03:43:55,422 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 03:43:55,445 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((1 == a25 && a19 == 1) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8) && !(a19 == a11)) || !(a21 == 1)) || !(y == 25)) || (((((a28 <= 10 && a19 == 1) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8)) || !(1 == \old(a19))) || !(x == 24)) || (((((1 == a25 && a28 <= 10) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8)) || !(e == 5)) || !(d == 4)) || (((((a11 == 0 && a19 == 1) && a28 == 7) && a25 == \old(a25)) && !(output == 0)) && a17 == 8)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || !(z == 26)) || !(0 == \old(a25))) || !(3 == c)) || ((((a28 == 7 || a28 == 8) && !(input == 0)) && !(output == 0)) && a17 == 8)) || !(23 == w)) || !(\old(a28) == 7)) || (((((a28 <= 10 && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8) && !(a19 == a11))) || (a17 <= 7 && a28 <= 10)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f) [2018-11-23 03:43:55,507 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b1dc50e0-8b97-49c7-ab3f-17f1d4a31362/bin-2019/utaipan/witness.graphml [2018-11-23 03:43:55,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:43:55,508 INFO L168 Benchmark]: Toolchain (without parser) took 37276.75 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.0 GB). Free memory was 952.1 MB in the beginning and 692.5 MB in the end (delta: 259.7 MB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-11-23 03:43:55,509 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:43:55,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.94 ms. Allocated memory is still 1.0 GB. Free memory was 952.1 MB in the beginning and 917.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:43:55,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 917.2 MB in the beginning and 1.1 GB in the end (delta: -214.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:43:55,509 INFO L168 Benchmark]: Boogie Preprocessor took 54.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:43:55,509 INFO L168 Benchmark]: RCFGBuilder took 996.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:43:55,510 INFO L168 Benchmark]: TraceAbstraction took 35640.88 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 706.7 MB in the end (delta: 311.9 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-23 03:43:55,510 INFO L168 Benchmark]: Witness Printer took 115.44 ms. Allocated memory is still 3.1 GB. Free memory was 706.7 MB in the beginning and 692.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:43:55,512 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 387.94 ms. Allocated memory is still 1.0 GB. Free memory was 952.1 MB in the beginning and 917.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 917.2 MB in the beginning and 1.1 GB in the end (delta: -214.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 996.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35640.88 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 706.7 MB in the end (delta: 311.9 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 115.44 ms. Allocated memory is still 3.1 GB. Free memory was 706.7 MB in the beginning and 692.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((1 == a25 && a19 == 1) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8) && !(a19 == a11)) || !(a21 == 1)) || !(y == 25)) || (((((a28 <= 10 && a19 == 1) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8)) || !(1 == \old(a19))) || !(x == 24)) || (((((1 == a25 && a28 <= 10) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8)) || !(e == 5)) || !(d == 4)) || (((((a11 == 0 && a19 == 1) && a28 == 7) && a25 == \old(a25)) && !(output == 0)) && a17 == 8)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || !(z == 26)) || !(0 == \old(a25))) || !(3 == c)) || ((((a28 == 7 || a28 == 8) && !(input == 0)) && !(output == 0)) && a17 == 8)) || !(23 == w)) || !(\old(a28) == 7)) || (((((a28 <= 10 && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8) && !(a19 == a11))) || (a17 <= 7 && a28 <= 10)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 35.5s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 26.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1397 SDtfs, 8272 SDslu, 1559 SDs, 0 SdLazy, 14491 SolverSat, 2315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1903 GetRequests, 1719 SyntacticMatches, 8 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1413 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6197occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 7 AbstIntIterations, 5 AbstIntStrong, 0.9967567701556369 AbsIntWeakeningRatio, 0.20038722168441434 AbsIntAvgWeakeningVarsNumRemoved, 25.82865440464666 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 324 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 157 PreInvPairs, 271 NumberOfFragments, 1207 HoareAnnotationTreeSize, 157 FomulaSimplifications, 19624 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16509 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2029 NumberOfCodeBlocks, 2029 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2374 ConstructedInterpolants, 0 QuantifiedInterpolants, 986440 SizeOfPredicates, 2 NumberOfNonLiveVariables, 918 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 896/1055 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...