./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/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 b5c6b8316fe3005137d926d381b455230e5ce2ce ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:00:00,791 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:00:00,792 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:00:00,801 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:00:00,802 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:00:00,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:00:00,803 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:00:00,804 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:00:00,805 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:00:00,806 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:00:00,807 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:00:00,807 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:00:00,808 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:00:00,808 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:00:00,809 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:00:00,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:00:00,810 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:00:00,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:00:00,813 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:00:00,814 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:00:00,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:00:00,815 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:00:00,817 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:00:00,817 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:00:00,817 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:00:00,818 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:00:00,819 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:00:00,819 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:00:00,820 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:00:00,821 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:00:00,821 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:00:00,821 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:00:00,822 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:00:00,822 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:00:00,823 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:00:00,824 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:00:00,824 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 22:00:00,832 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:00:00,832 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:00:00,833 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:00:00,833 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:00:00,833 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:00:00,833 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:00:00,833 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:00:00,834 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:00:00,834 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:00:00,834 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:00:00,834 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:00:00,834 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:00:00,834 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:00:00,835 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:00:00,835 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:00:00,835 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:00:00,835 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:00:00,835 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:00:00,836 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:00:00,836 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:00:00,836 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:00:00,836 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:00:00,836 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:00:00,836 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:00:00,837 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:00:00,837 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:00:00,837 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:00:00,837 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:00:00,837 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:00:00,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:00:00,837 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:00:00,838 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:00:00,838 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:00:00,838 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:00:00,838 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:00:00,838 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:00:00,838 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:00:00,838 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_2eb31238-8f9c-4262-bfce-e0338af5a6a0/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 -> b5c6b8316fe3005137d926d381b455230e5ce2ce [2018-11-22 22:00:00,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:00:00,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:00:00,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:00:00,874 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:00:00,874 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:00:00,875 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c [2018-11-22 22:00:00,911 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/data/8fd63dde3/5323253fddab4ab68fc8e4d3fdbc9e36/FLAGa6af6627f [2018-11-22 22:00:01,400 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:00:01,401 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c [2018-11-22 22:00:01,413 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/data/8fd63dde3/5323253fddab4ab68fc8e4d3fdbc9e36/FLAGa6af6627f [2018-11-22 22:00:01,891 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/data/8fd63dde3/5323253fddab4ab68fc8e4d3fdbc9e36 [2018-11-22 22:00:01,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:00:01,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:00:01,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:00:01,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:00:01,897 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:00:01,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:00:01" (1/1) ... [2018-11-22 22:00:01,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ddd63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:01, skipping insertion in model container [2018-11-22 22:00:01,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:00:01" (1/1) ... [2018-11-22 22:00:01,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:00:01,962 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:00:02,371 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:00:02,374 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:00:02,564 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:00:02,578 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:00:02,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:02 WrapperNode [2018-11-22 22:00:02,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:00:02,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:00:02,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:00:02,579 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:00:02,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:02" (1/1) ... [2018-11-22 22:00:02,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:02" (1/1) ... [2018-11-22 22:00:02,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:00:02,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:00:02,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:00:02,687 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:00:02,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:02" (1/1) ... [2018-11-22 22:00:02,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:02" (1/1) ... [2018-11-22 22:00:02,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:02" (1/1) ... [2018-11-22 22:00:02,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:02" (1/1) ... [2018-11-22 22:00:02,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:02" (1/1) ... [2018-11-22 22:00:02,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:02" (1/1) ... [2018-11-22 22:00:02,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:02" (1/1) ... [2018-11-22 22:00:02,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:00:02,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:00:02,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:00:02,759 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:00:02,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/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 [2018-11-22 22:00:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 22:00:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:00:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:00:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-22 22:00:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-22 22:00:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-22 22:00:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-22 22:00:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:00:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:00:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:00:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:00:04,237 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:00:04,238 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 22:00:04,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:00:04 BoogieIcfgContainer [2018-11-22 22:00:04,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:00:04,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:00:04,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:00:04,241 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:00:04,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:00:01" (1/3) ... [2018-11-22 22:00:04,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a4339f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:00:04, skipping insertion in model container [2018-11-22 22:00:04,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:00:02" (2/3) ... [2018-11-22 22:00:04,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a4339f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:00:04, skipping insertion in model container [2018-11-22 22:00:04,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:00:04" (3/3) ... [2018-11-22 22:00:04,245 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label12_true-unreach-call.c [2018-11-22 22:00:04,253 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:00:04,260 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:00:04,273 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:00:04,325 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:00:04,326 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:00:04,326 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:00:04,326 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:00:04,326 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:00:04,326 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:00:04,327 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:00:04,327 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:00:04,354 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-22 22:00:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-22 22:00:04,361 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:00:04,362 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] [2018-11-22 22:00:04,364 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:00:04,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:00:04,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1524372618, now seen corresponding path program 1 times [2018-11-22 22:00:04,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:00:04,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:00:04,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:00:04,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:00:04,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:00:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:00:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:00:04,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:00:04,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:00:04,628 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:00:04,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:00:04,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:00:04,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:00:04,647 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-22 22:00:05,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:00:05,832 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-22 22:00:05,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:00:05,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-11-22 22:00:05,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:00:05,849 INFO L225 Difference]: With dead ends: 1153 [2018-11-22 22:00:05,849 INFO L226 Difference]: Without dead ends: 742 [2018-11-22 22:00:05,855 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 [2018-11-22 22:00:05,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-22 22:00:05,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-22 22:00:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-22 22:00:05,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1353 transitions. [2018-11-22 22:00:05,920 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1353 transitions. Word has length 45 [2018-11-22 22:00:05,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:00:05,921 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1353 transitions. [2018-11-22 22:00:05,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:00:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1353 transitions. [2018-11-22 22:00:05,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-22 22:00:05,925 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:00:05,926 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:00:05,926 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:00:05,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:00:05,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1650431575, now seen corresponding path program 1 times [2018-11-22 22:00:05,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:00:05,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:00:05,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:00:05,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:00:05,929 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:00:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:00:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:00:06,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:00:06,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:00:06,076 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:00:06,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:00:06,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:00:06,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:00:06,078 INFO L87 Difference]: Start difference. First operand 742 states and 1353 transitions. Second operand 5 states. [2018-11-22 22:00:07,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:00:07,717 INFO L93 Difference]: Finished difference Result 2186 states and 4075 transitions. [2018-11-22 22:00:07,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 22:00:07,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2018-11-22 22:00:07,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:00:07,724 INFO L225 Difference]: With dead ends: 2186 [2018-11-22 22:00:07,724 INFO L226 Difference]: Without dead ends: 1450 [2018-11-22 22:00:07,726 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:00:07,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2018-11-22 22:00:07,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1432. [2018-11-22 22:00:07,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1432 states. [2018-11-22 22:00:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2546 transitions. [2018-11-22 22:00:07,765 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2546 transitions. Word has length 114 [2018-11-22 22:00:07,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:00:07,766 INFO L480 AbstractCegarLoop]: Abstraction has 1432 states and 2546 transitions. [2018-11-22 22:00:07,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:00:07,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2546 transitions. [2018-11-22 22:00:07,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-22 22:00:07,769 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:00:07,770 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 22:00:07,770 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:00:07,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:00:07,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1950133058, now seen corresponding path program 1 times [2018-11-22 22:00:07,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:00:07,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:00:07,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:00:07,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:00:07,772 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:00:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:00:07,902 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:00:07,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:00:07,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 22:00:07,903 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:00:07,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:00:07,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:00:07,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:00:07,904 INFO L87 Difference]: Start difference. First operand 1432 states and 2546 transitions. Second operand 6 states. [2018-11-22 22:00:10,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:00:10,043 INFO L93 Difference]: Finished difference Result 3924 states and 7012 transitions. [2018-11-22 22:00:10,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 22:00:10,047 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-11-22 22:00:10,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:00:10,062 INFO L225 Difference]: With dead ends: 3924 [2018-11-22 22:00:10,062 INFO L226 Difference]: Without dead ends: 2498 [2018-11-22 22:00:10,069 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 [2018-11-22 22:00:10,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2018-11-22 22:00:10,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2473. [2018-11-22 22:00:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2473 states. [2018-11-22 22:00:10,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3990 transitions. [2018-11-22 22:00:10,133 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 3990 transitions. Word has length 143 [2018-11-22 22:00:10,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:00:10,134 INFO L480 AbstractCegarLoop]: Abstraction has 2473 states and 3990 transitions. [2018-11-22 22:00:10,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:00:10,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3990 transitions. [2018-11-22 22:00:10,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-22 22:00:10,138 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:00:10,138 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 22:00:10,138 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:00:10,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:00:10,138 INFO L82 PathProgramCache]: Analyzing trace with hash 903433606, now seen corresponding path program 1 times [2018-11-22 22:00:10,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:00:10,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:00:10,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:00:10,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:00:10,140 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:00:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:00:10,276 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:00:10,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:00:10,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 22:00:10,277 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:00:10,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:00:10,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:00:10,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:00:10,278 INFO L87 Difference]: Start difference. First operand 2473 states and 3990 transitions. Second operand 6 states. [2018-11-22 22:00:11,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:00:11,591 INFO L93 Difference]: Finished difference Result 6029 states and 9875 transitions. [2018-11-22 22:00:11,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 22:00:11,591 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-11-22 22:00:11,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:00:11,601 INFO L225 Difference]: With dead ends: 6029 [2018-11-22 22:00:11,601 INFO L226 Difference]: Without dead ends: 3562 [2018-11-22 22:00:11,607 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 [2018-11-22 22:00:11,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3562 states. [2018-11-22 22:00:11,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 3536. [2018-11-22 22:00:11,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3536 states. [2018-11-22 22:00:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 4956 transitions. [2018-11-22 22:00:11,698 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 4956 transitions. Word has length 161 [2018-11-22 22:00:11,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:00:11,698 INFO L480 AbstractCegarLoop]: Abstraction has 3536 states and 4956 transitions. [2018-11-22 22:00:11,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:00:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 4956 transitions. [2018-11-22 22:00:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-22 22:00:11,702 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:00:11,702 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:00:11,702 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:00:11,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:00:11,703 INFO L82 PathProgramCache]: Analyzing trace with hash 582436338, now seen corresponding path program 1 times [2018-11-22 22:00:11,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:00:11,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:00:11,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:00:11,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:00:11,704 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:00:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:00:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 104 proven. 37 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 22:00:11,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:00:11,837 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:00:11,838 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-11-22 22:00:11,839 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:00:11,873 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:00:11,874 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:00:12,185 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 22:00:12,186 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1263 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1263 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-22 22:00:12,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:00:12,199 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 22:00:12,458 INFO L227 lantSequenceWeakener]: Weakened 234 states. On average, predicates are now at 77.8% of their original sizes. [2018-11-22 22:00:12,459 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 22:00:12,494 INFO L415 sIntCurrentIteration]: We unified 242 AI predicates to 242 [2018-11-22 22:00:12,494 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 22:00:12,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:00:12,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-22 22:00:12,495 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:00:12,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:00:12,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:00:12,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:00:12,497 INFO L87 Difference]: Start difference. First operand 3536 states and 4956 transitions. Second operand 6 states. [2018-11-22 22:01:13,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:01:13,577 INFO L93 Difference]: Finished difference Result 7404 states and 10324 transitions. [2018-11-22 22:01:13,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:01:13,577 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 243 [2018-11-22 22:01:13,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:01:13,583 INFO L225 Difference]: With dead ends: 7404 [2018-11-22 22:01:13,583 INFO L226 Difference]: Without dead ends: 3874 [2018-11-22 22:01:13,587 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:01:13,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3874 states. [2018-11-22 22:01:13,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3874 to 3873. [2018-11-22 22:01:13,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3873 states. [2018-11-22 22:01:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3873 states to 3873 states and 5301 transitions. [2018-11-22 22:01:13,635 INFO L78 Accepts]: Start accepts. Automaton has 3873 states and 5301 transitions. Word has length 243 [2018-11-22 22:01:13,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:01:13,635 INFO L480 AbstractCegarLoop]: Abstraction has 3873 states and 5301 transitions. [2018-11-22 22:01:13,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:01:13,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3873 states and 5301 transitions. [2018-11-22 22:01:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-22 22:01:13,639 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:01:13,639 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 22:01:13,639 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:01:13,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:01:13,639 INFO L82 PathProgramCache]: Analyzing trace with hash 623450187, now seen corresponding path program 1 times [2018-11-22 22:01:13,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:01:13,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:01:13,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:01:13,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:01:13,641 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:01:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:01:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 184 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-22 22:01:13,831 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:01:13,831 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:01:13,831 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 335 with the following transitions: [2018-11-22 22:01:13,831 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:01:13,836 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:01:13,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:01:14,044 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 22:01:14,045 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4096 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4096 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-22 22:01:14,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:01:14,051 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 22:01:14,300 INFO L227 lantSequenceWeakener]: Weakened 331 states. On average, predicates are now at 80.4% of their original sizes. [2018-11-22 22:01:14,300 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 22:01:14,359 INFO L415 sIntCurrentIteration]: We unified 333 AI predicates to 333 [2018-11-22 22:01:14,359 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 22:01:14,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:01:14,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-22 22:01:14,360 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:01:14,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 22:01:14,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 22:01:14,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:01:14,361 INFO L87 Difference]: Start difference. First operand 3873 states and 5301 transitions. Second operand 10 states. [2018-11-22 22:02:58,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:02:58,724 INFO L93 Difference]: Finished difference Result 9036 states and 12427 transitions. [2018-11-22 22:02:58,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-22 22:02:58,724 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 334 [2018-11-22 22:02:58,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:02:58,741 INFO L225 Difference]: With dead ends: 9036 [2018-11-22 22:02:58,742 INFO L226 Difference]: Without dead ends: 5506 [2018-11-22 22:02:58,754 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 343 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-22 22:02:58,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5506 states. [2018-11-22 22:02:58,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5506 to 5473. [2018-11-22 22:02:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5473 states. [2018-11-22 22:02:58,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5473 states to 5473 states and 7087 transitions. [2018-11-22 22:02:58,858 INFO L78 Accepts]: Start accepts. Automaton has 5473 states and 7087 transitions. Word has length 334 [2018-11-22 22:02:58,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:02:58,858 INFO L480 AbstractCegarLoop]: Abstraction has 5473 states and 7087 transitions. [2018-11-22 22:02:58,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 22:02:58,858 INFO L276 IsEmpty]: Start isEmpty. Operand 5473 states and 7087 transitions. [2018-11-22 22:02:58,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2018-11-22 22:02:58,870 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:02:58,870 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:02:58,870 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:02:58,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:58,871 INFO L82 PathProgramCache]: Analyzing trace with hash -799504077, now seen corresponding path program 1 times [2018-11-22 22:02:58,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:02:58,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:58,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:58,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:02:58,872 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:02:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:59,112 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 214 proven. 37 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-22 22:02:59,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:02:59,112 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:02:59,113 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 483 with the following transitions: [2018-11-22 22:02:59,113 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:02:59,118 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:02:59,118 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:02:59,475 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:02:59,475 INFO L272 AbstractInterpreter]: Visited 249 different actions 739 times. Merged at 7 different actions 14 times. Never widened. Performed 8342 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8342 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-22 22:02:59,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:02:59,478 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:02:59,478 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:02:59,478 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/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 [2018-11-22 22:02:59,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:02:59,488 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:02:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:02:59,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:02:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-11-22 22:02:59,724 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:02:59,883 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-11-22 22:02:59,907 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:02:59,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-22 22:02:59,908 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:02:59,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:02:59,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:02:59,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:02:59,909 INFO L87 Difference]: Start difference. First operand 5473 states and 7087 transitions. Second operand 3 states. [2018-11-22 22:03:00,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:03:00,791 INFO L93 Difference]: Finished difference Result 10603 states and 13830 transitions. [2018-11-22 22:03:00,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:03:00,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 482 [2018-11-22 22:03:00,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:03:00,802 INFO L225 Difference]: With dead ends: 10603 [2018-11-22 22:03:00,802 INFO L226 Difference]: Without dead ends: 5473 [2018-11-22 22:03:00,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 970 GetRequests, 965 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:03:00,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2018-11-22 22:03:00,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5473. [2018-11-22 22:03:00,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5473 states. [2018-11-22 22:03:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5473 states to 5473 states and 6785 transitions. [2018-11-22 22:03:00,899 INFO L78 Accepts]: Start accepts. Automaton has 5473 states and 6785 transitions. Word has length 482 [2018-11-22 22:03:00,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:03:00,900 INFO L480 AbstractCegarLoop]: Abstraction has 5473 states and 6785 transitions. [2018-11-22 22:03:00,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:03:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 5473 states and 6785 transitions. [2018-11-22 22:03:00,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2018-11-22 22:03:00,912 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:03:00,912 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 22:03:00,912 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:03:00,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:03:00,913 INFO L82 PathProgramCache]: Analyzing trace with hash -218742454, now seen corresponding path program 1 times [2018-11-22 22:03:00,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:03:00,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:03:00,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:03:00,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:03:00,914 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:03:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:03:01,534 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 58 proven. 237 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 22:03:01,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:03:01,535 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:03:01,535 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 508 with the following transitions: [2018-11-22 22:03:01,535 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:03:01,539 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:03:01,539 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:03:01,769 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 22:03:01,769 INFO L272 AbstractInterpreter]: Visited 247 different actions 734 times. Merged at 6 different actions 13 times. Never widened. Performed 8247 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8247 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-22 22:03:01,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:03:01,771 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 22:03:02,099 INFO L227 lantSequenceWeakener]: Weakened 504 states. On average, predicates are now at 80.25% of their original sizes. [2018-11-22 22:03:02,099 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 22:03:02,127 INFO L415 sIntCurrentIteration]: We unified 506 AI predicates to 506 [2018-11-22 22:03:02,127 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 22:03:02,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:03:02,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-11-22 22:03:02,127 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:03:02,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:03:02,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:03:02,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:03:02,128 INFO L87 Difference]: Start difference. First operand 5473 states and 6785 transitions. Second operand 9 states. [2018-11-22 22:03:34,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:03:34,425 INFO L93 Difference]: Finished difference Result 12717 states and 15811 transitions. [2018-11-22 22:03:34,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-22 22:03:34,425 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 507 [2018-11-22 22:03:34,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:03:34,442 INFO L225 Difference]: With dead ends: 12717 [2018-11-22 22:03:34,442 INFO L226 Difference]: Without dead ends: 7587 [2018-11-22 22:03:34,451 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 513 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-22 22:03:34,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7587 states. [2018-11-22 22:03:34,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7587 to 7572. [2018-11-22 22:03:34,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7572 states. [2018-11-22 22:03:34,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7572 states to 7572 states and 9131 transitions. [2018-11-22 22:03:34,531 INFO L78 Accepts]: Start accepts. Automaton has 7572 states and 9131 transitions. Word has length 507 [2018-11-22 22:03:34,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:03:34,532 INFO L480 AbstractCegarLoop]: Abstraction has 7572 states and 9131 transitions. [2018-11-22 22:03:34,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:03:34,532 INFO L276 IsEmpty]: Start isEmpty. Operand 7572 states and 9131 transitions. [2018-11-22 22:03:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2018-11-22 22:03:34,547 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:03:34,548 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:03:34,548 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:03:34,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:03:34,548 INFO L82 PathProgramCache]: Analyzing trace with hash -928808789, now seen corresponding path program 1 times [2018-11-22 22:03:34,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:03:34,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:03:34,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:03:34,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:03:34,549 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:03:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:03:34,854 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 391 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-11-22 22:03:34,854 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:03:34,854 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:03:34,854 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 645 with the following transitions: [2018-11-22 22:03:34,854 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:03:34,857 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:03:34,857 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:03:35,265 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:03:35,265 INFO L272 AbstractInterpreter]: Visited 250 different actions 995 times. Merged at 8 different actions 27 times. Never widened. Performed 11670 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11670 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-22 22:03:35,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:03:35,267 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:03:35,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:03:35,267 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/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 [2018-11-22 22:03:35,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:03:35,275 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:03:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:03:35,368 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:03:35,626 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 691 proven. 2 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-22 22:03:35,626 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:03:35,816 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 391 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-11-22 22:03:35,831 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:03:35,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-22 22:03:35,832 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:03:35,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:03:35,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:03:35,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-22 22:03:35,832 INFO L87 Difference]: Start difference. First operand 7572 states and 9131 transitions. Second operand 9 states. [2018-11-22 22:03:38,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:03:38,420 INFO L93 Difference]: Finished difference Result 17358 states and 22008 transitions. [2018-11-22 22:03:38,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-22 22:03:38,420 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 644 [2018-11-22 22:03:38,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:03:38,455 INFO L225 Difference]: With dead ends: 17358 [2018-11-22 22:03:38,455 INFO L226 Difference]: Without dead ends: 10129 [2018-11-22 22:03:38,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1309 GetRequests, 1291 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-22 22:03:38,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10129 states. [2018-11-22 22:03:38,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10129 to 10109. [2018-11-22 22:03:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10109 states. [2018-11-22 22:03:38,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10109 states to 10109 states and 12395 transitions. [2018-11-22 22:03:38,648 INFO L78 Accepts]: Start accepts. Automaton has 10109 states and 12395 transitions. Word has length 644 [2018-11-22 22:03:38,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:03:38,648 INFO L480 AbstractCegarLoop]: Abstraction has 10109 states and 12395 transitions. [2018-11-22 22:03:38,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:03:38,648 INFO L276 IsEmpty]: Start isEmpty. Operand 10109 states and 12395 transitions. [2018-11-22 22:03:38,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2018-11-22 22:03:38,671 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:03:38,671 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 22:03:38,672 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:03:38,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:03:38,672 INFO L82 PathProgramCache]: Analyzing trace with hash 423977159, now seen corresponding path program 1 times [2018-11-22 22:03:38,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:03:38,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:03:38,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:03:38,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:03:38,673 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:03:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:03:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1419 backedges. 439 proven. 688 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-11-22 22:03:40,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:03:40,135 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:03:40,135 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 889 with the following transitions: [2018-11-22 22:03:40,136 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:03:40,138 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:03:40,139 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:03:40,364 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 22:03:40,364 INFO L272 AbstractInterpreter]: Visited 260 different actions 514 times. Merged at 4 different actions 4 times. Never widened. Performed 5491 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5491 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-22 22:03:40,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:03:40,365 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 22:03:40,764 INFO L227 lantSequenceWeakener]: Weakened 885 states. On average, predicates are now at 77.46% of their original sizes. [2018-11-22 22:03:40,764 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 22:03:40,813 INFO L415 sIntCurrentIteration]: We unified 887 AI predicates to 887 [2018-11-22 22:03:40,813 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 22:03:40,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:03:40,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-22 22:03:40,814 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:03:40,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 22:03:40,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 22:03:40,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:03:40,815 INFO L87 Difference]: Start difference. First operand 10109 states and 12395 transitions. Second operand 10 states. [2018-11-22 22:04:40,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:04:40,236 INFO L93 Difference]: Finished difference Result 20216 states and 24833 transitions. [2018-11-22 22:04:40,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-22 22:04:40,236 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 888 [2018-11-22 22:04:40,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:04:40,265 INFO L225 Difference]: With dead ends: 20216 [2018-11-22 22:04:40,265 INFO L226 Difference]: Without dead ends: 10450 [2018-11-22 22:04:40,289 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 895 GetRequests, 879 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-22 22:04:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10450 states. [2018-11-22 22:04:40,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10450 to 10448. [2018-11-22 22:04:40,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10448 states. [2018-11-22 22:04:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10448 states to 10448 states and 12751 transitions. [2018-11-22 22:04:40,455 INFO L78 Accepts]: Start accepts. Automaton has 10448 states and 12751 transitions. Word has length 888 [2018-11-22 22:04:40,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:04:40,456 INFO L480 AbstractCegarLoop]: Abstraction has 10448 states and 12751 transitions. [2018-11-22 22:04:40,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 22:04:40,456 INFO L276 IsEmpty]: Start isEmpty. Operand 10448 states and 12751 transitions. [2018-11-22 22:04:40,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2018-11-22 22:04:40,474 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:04:40,474 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 22:04:40,474 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:04:40,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:04:40,475 INFO L82 PathProgramCache]: Analyzing trace with hash -140083625, now seen corresponding path program 1 times [2018-11-22 22:04:40,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:04:40,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:04:40,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:04:40,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:04:40,476 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:04:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:04:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1427 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2018-11-22 22:04:40,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:04:40,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:04:40,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:04:40,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:04:40,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:04:40,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:04:40,999 INFO L87 Difference]: Start difference. First operand 10448 states and 12751 transitions. Second operand 3 states. [2018-11-22 22:04:42,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:04:42,023 INFO L93 Difference]: Finished difference Result 26884 states and 34467 transitions. [2018-11-22 22:04:42,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:04:42,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 896 [2018-11-22 22:04:42,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:04:42,067 INFO L225 Difference]: With dead ends: 26884 [2018-11-22 22:04:42,068 INFO L226 Difference]: Without dead ends: 16490 [2018-11-22 22:04:42,104 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:04:42,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16490 states. [2018-11-22 22:04:42,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16490 to 16490. [2018-11-22 22:04:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16490 states. [2018-11-22 22:04:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16490 states to 16490 states and 18843 transitions. [2018-11-22 22:04:42,320 INFO L78 Accepts]: Start accepts. Automaton has 16490 states and 18843 transitions. Word has length 896 [2018-11-22 22:04:42,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:04:42,320 INFO L480 AbstractCegarLoop]: Abstraction has 16490 states and 18843 transitions. [2018-11-22 22:04:42,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:04:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 16490 states and 18843 transitions. [2018-11-22 22:04:42,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2018-11-22 22:04:42,341 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:04:42,342 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:04:42,342 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:04:42,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:04:42,342 INFO L82 PathProgramCache]: Analyzing trace with hash -2088386945, now seen corresponding path program 1 times [2018-11-22 22:04:42,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:04:42,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:04:42,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:04:42,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:04:42,343 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:04:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:04:43,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1558 backedges. 878 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-11-22 22:04:43,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:04:43,042 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:04:43,042 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 981 with the following transitions: [2018-11-22 22:04:43,043 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:04:43,046 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:04:43,046 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:04:43,293 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 22:04:43,294 INFO L272 AbstractInterpreter]: Visited 265 different actions 782 times. Merged at 4 different actions 7 times. Never widened. Performed 9199 root evaluator evaluations with a maximum evaluation depth of 9. Performed 9199 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-22 22:04:43,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:04:43,299 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 22:04:43,773 INFO L227 lantSequenceWeakener]: Weakened 977 states. On average, predicates are now at 80.15% of their original sizes. [2018-11-22 22:04:43,774 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 22:04:43,819 INFO L415 sIntCurrentIteration]: We unified 979 AI predicates to 979 [2018-11-22 22:04:43,819 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 22:04:43,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:04:43,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-22 22:04:43,819 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:04:43,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:04:43,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:04:43,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:04:43,820 INFO L87 Difference]: Start difference. First operand 16490 states and 18843 transitions. Second operand 9 states. [2018-11-22 22:04:58,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:04:58,859 INFO L93 Difference]: Finished difference Result 32311 states and 37051 transitions. [2018-11-22 22:04:58,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-22 22:04:58,859 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 980 [2018-11-22 22:04:58,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:04:58,889 INFO L225 Difference]: With dead ends: 32311 [2018-11-22 22:04:58,889 INFO L226 Difference]: Without dead ends: 15416 [2018-11-22 22:04:58,921 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 986 GetRequests, 972 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-22 22:04:58,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15416 states. [2018-11-22 22:04:59,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15416 to 15409. [2018-11-22 22:04:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15409 states. [2018-11-22 22:04:59,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15409 states to 15409 states and 17681 transitions. [2018-11-22 22:04:59,090 INFO L78 Accepts]: Start accepts. Automaton has 15409 states and 17681 transitions. Word has length 980 [2018-11-22 22:04:59,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:04:59,091 INFO L480 AbstractCegarLoop]: Abstraction has 15409 states and 17681 transitions. [2018-11-22 22:04:59,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:04:59,091 INFO L276 IsEmpty]: Start isEmpty. Operand 15409 states and 17681 transitions. [2018-11-22 22:04:59,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1076 [2018-11-22 22:04:59,108 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:04:59,108 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:04:59,109 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:04:59,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:04:59,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1705702114, now seen corresponding path program 1 times [2018-11-22 22:04:59,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:04:59,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:04:59,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:04:59,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:04:59,110 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:04:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:04:59,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 1014 proven. 2 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-11-22 22:04:59,988 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:04:59,989 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:04:59,989 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1076 with the following transitions: [2018-11-22 22:04:59,989 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:04:59,992 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:04:59,992 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:05:00,439 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:05:00,439 INFO L272 AbstractInterpreter]: Visited 267 different actions 1072 times. Merged at 10 different actions 36 times. Never widened. Performed 12752 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12752 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-22 22:05:00,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:00,443 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:05:00,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:00,443 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:05:00,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:00,449 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:05:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:00,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:05:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 1014 proven. 2 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-11-22 22:05:01,028 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:05:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 1014 proven. 2 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-11-22 22:05:01,641 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:05:01,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-22 22:05:01,641 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:05:01,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:05:01,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:05:01,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-22 22:05:01,642 INFO L87 Difference]: Start difference. First operand 15409 states and 17681 transitions. Second operand 9 states. [2018-11-22 22:05:03,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:05:03,796 INFO L93 Difference]: Finished difference Result 45431 states and 53307 transitions. [2018-11-22 22:05:03,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-22 22:05:03,796 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1075 [2018-11-22 22:05:03,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:05:03,853 INFO L225 Difference]: With dead ends: 45431 [2018-11-22 22:05:03,853 INFO L226 Difference]: Without dead ends: 26292 [2018-11-22 22:05:03,929 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2165 GetRequests, 2150 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-11-22 22:05:03,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26292 states. [2018-11-22 22:05:04,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26292 to 25745. [2018-11-22 22:05:04,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25745 states. [2018-11-22 22:05:04,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25745 states to 25745 states and 28120 transitions. [2018-11-22 22:05:04,200 INFO L78 Accepts]: Start accepts. Automaton has 25745 states and 28120 transitions. Word has length 1075 [2018-11-22 22:05:04,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:05:04,201 INFO L480 AbstractCegarLoop]: Abstraction has 25745 states and 28120 transitions. [2018-11-22 22:05:04,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:05:04,201 INFO L276 IsEmpty]: Start isEmpty. Operand 25745 states and 28120 transitions. [2018-11-22 22:05:04,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1174 [2018-11-22 22:05:04,213 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:05:04,213 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:05:04,213 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:05:04,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:04,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1342199730, now seen corresponding path program 1 times [2018-11-22 22:05:04,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:05:04,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:04,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:04,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:04,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:05:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:04,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 691 proven. 115 refuted. 0 times theorem prover too weak. 1429 trivial. 0 not checked. [2018-11-22 22:05:04,845 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:04,845 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:05:04,845 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1174 with the following transitions: [2018-11-22 22:05:04,845 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [776], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:05:04,849 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:05:04,849 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:05:08,014 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:05:08,014 INFO L272 AbstractInterpreter]: Visited 340 different actions 1355 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Performed 16651 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16651 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-22 22:05:08,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:08,017 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:05:08,017 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:08,017 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:05:08,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:08,023 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:05:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:08,152 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:05:08,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 1437 proven. 2 refuted. 0 times theorem prover too weak. 796 trivial. 0 not checked. [2018-11-22 22:05:08,635 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:05:09,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 691 proven. 115 refuted. 0 times theorem prover too weak. 1429 trivial. 0 not checked. [2018-11-22 22:05:09,078 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:05:09,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-22 22:05:09,078 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:05:09,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:05:09,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:05:09,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:05:09,079 INFO L87 Difference]: Start difference. First operand 25745 states and 28120 transitions. Second operand 9 states. [2018-11-22 22:05:10,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:05:10,865 INFO L93 Difference]: Finished difference Result 49641 states and 53771 transitions. [2018-11-22 22:05:10,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-22 22:05:10,866 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1173 [2018-11-22 22:05:10,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:05:10,909 INFO L225 Difference]: With dead ends: 49641 [2018-11-22 22:05:10,909 INFO L226 Difference]: Without dead ends: 24578 [2018-11-22 22:05:10,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2363 GetRequests, 2347 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-22 22:05:10,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24578 states. [2018-11-22 22:05:11,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24578 to 21887. [2018-11-22 22:05:11,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21887 states. [2018-11-22 22:05:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21887 states to 21887 states and 23082 transitions. [2018-11-22 22:05:11,172 INFO L78 Accepts]: Start accepts. Automaton has 21887 states and 23082 transitions. Word has length 1173 [2018-11-22 22:05:11,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:05:11,173 INFO L480 AbstractCegarLoop]: Abstraction has 21887 states and 23082 transitions. [2018-11-22 22:05:11,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:05:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 21887 states and 23082 transitions. [2018-11-22 22:05:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1149 [2018-11-22 22:05:11,183 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:05:11,183 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:05:11,183 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:05:11,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:11,183 INFO L82 PathProgramCache]: Analyzing trace with hash -114148265, now seen corresponding path program 1 times [2018-11-22 22:05:11,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:05:11,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:11,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:11,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:11,184 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:05:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:12,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 961 proven. 580 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2018-11-22 22:05:12,007 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:12,007 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:05:12,007 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1149 with the following transitions: [2018-11-22 22:05:12,007 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:05:12,010 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:05:12,011 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:05:12,658 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:05:12,658 INFO L272 AbstractInterpreter]: Visited 340 different actions 1359 times. Merged at 9 different actions 40 times. Widened at 1 different actions 1 times. Performed 16666 root evaluator evaluations with a maximum evaluation depth of 18. Performed 16666 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-22 22:05:12,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:12,659 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:05:12,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:12,659 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:05:12,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:12,665 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:05:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:12,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:05:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 1867 trivial. 0 not checked. [2018-11-22 22:05:13,146 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:05:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 1867 trivial. 0 not checked. [2018-11-22 22:05:13,499 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:05:13,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-22 22:05:13,500 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:05:13,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:05:13,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:05:13,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:05:13,501 INFO L87 Difference]: Start difference. First operand 21887 states and 23082 transitions. Second operand 3 states. [2018-11-22 22:05:14,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:05:14,416 INFO L93 Difference]: Finished difference Result 43092 states and 45471 transitions. [2018-11-22 22:05:14,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:05:14,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1148 [2018-11-22 22:05:14,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:05:14,440 INFO L225 Difference]: With dead ends: 43092 [2018-11-22 22:05:14,440 INFO L226 Difference]: Without dead ends: 21887 [2018-11-22 22:05:14,464 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2310 GetRequests, 2297 SyntacticMatches, 6 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:05:14,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21887 states. [2018-11-22 22:05:14,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21887 to 21600. [2018-11-22 22:05:14,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21600 states. [2018-11-22 22:05:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21600 states to 21600 states and 22531 transitions. [2018-11-22 22:05:14,632 INFO L78 Accepts]: Start accepts. Automaton has 21600 states and 22531 transitions. Word has length 1148 [2018-11-22 22:05:14,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:05:14,632 INFO L480 AbstractCegarLoop]: Abstraction has 21600 states and 22531 transitions. [2018-11-22 22:05:14,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:05:14,633 INFO L276 IsEmpty]: Start isEmpty. Operand 21600 states and 22531 transitions. [2018-11-22 22:05:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1303 [2018-11-22 22:05:14,649 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:05:14,650 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 22:05:14,650 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:05:14,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:14,651 INFO L82 PathProgramCache]: Analyzing trace with hash -903260373, now seen corresponding path program 1 times [2018-11-22 22:05:14,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:05:14,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:14,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:14,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:14,651 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:05:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:15,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2932 backedges. 1156 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-22 22:05:15,480 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:15,480 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:05:15,481 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1303 with the following transitions: [2018-11-22 22:05:15,481 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:05:15,484 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:05:15,484 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:05:16,278 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:05:16,278 INFO L272 AbstractInterpreter]: Visited 286 different actions 1141 times. Merged at 9 different actions 29 times. Never widened. Performed 13751 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13751 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-22 22:05:16,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:16,283 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:05:16,283 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:16,283 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:05:16,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:16,289 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:05:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:16,445 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:05:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2932 backedges. 1156 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-22 22:05:17,018 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:05:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2932 backedges. 1156 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-22 22:05:17,558 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:05:17,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-22 22:05:17,559 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:05:17,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 22:05:17,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 22:05:17,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-22 22:05:17,560 INFO L87 Difference]: Start difference. First operand 21600 states and 22531 transitions. Second operand 10 states. [2018-11-22 22:05:19,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:05:19,389 INFO L93 Difference]: Finished difference Result 43277 states and 45226 transitions. [2018-11-22 22:05:19,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-22 22:05:19,389 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1302 [2018-11-22 22:05:19,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:05:19,413 INFO L225 Difference]: With dead ends: 43277 [2018-11-22 22:05:19,413 INFO L226 Difference]: Without dead ends: 22020 [2018-11-22 22:05:19,430 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2625 GetRequests, 2606 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-22 22:05:19,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22020 states. [2018-11-22 22:05:19,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22020 to 21705. [2018-11-22 22:05:19,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21705 states. [2018-11-22 22:05:19,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21705 states to 21705 states and 22413 transitions. [2018-11-22 22:05:19,590 INFO L78 Accepts]: Start accepts. Automaton has 21705 states and 22413 transitions. Word has length 1302 [2018-11-22 22:05:19,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:05:19,591 INFO L480 AbstractCegarLoop]: Abstraction has 21705 states and 22413 transitions. [2018-11-22 22:05:19,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 22:05:19,591 INFO L276 IsEmpty]: Start isEmpty. Operand 21705 states and 22413 transitions. [2018-11-22 22:05:19,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1326 [2018-11-22 22:05:19,609 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:05:19,610 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2018-11-22 22:05:19,610 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:05:19,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:19,610 INFO L82 PathProgramCache]: Analyzing trace with hash -254759142, now seen corresponding path program 1 times [2018-11-22 22:05:19,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:05:19,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:19,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:19,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:19,611 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:05:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:20,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3893 backedges. 1336 proven. 2 refuted. 0 times theorem prover too weak. 2555 trivial. 0 not checked. [2018-11-22 22:05:20,431 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:20,431 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:05:20,431 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1326 with the following transitions: [2018-11-22 22:05:20,431 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [776], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:05:20,434 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:05:20,434 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:05:23,389 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:05:23,389 INFO L272 AbstractInterpreter]: Visited 254 different actions 1018 times. Merged at 11 different actions 34 times. Never widened. Performed 11936 root evaluator evaluations with a maximum evaluation depth of 22. Performed 11936 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-22 22:05:23,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:23,402 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:05:23,402 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:23,402 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:05:23,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:23,408 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:05:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:23,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:05:24,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3893 backedges. 1336 proven. 2 refuted. 0 times theorem prover too weak. 2555 trivial. 0 not checked. [2018-11-22 22:05:24,118 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:05:24,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3893 backedges. 1336 proven. 2 refuted. 0 times theorem prover too weak. 2555 trivial. 0 not checked. [2018-11-22 22:05:24,694 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:05:24,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-22 22:05:24,694 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:05:24,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:05:24,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:05:24,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:05:24,695 INFO L87 Difference]: Start difference. First operand 21705 states and 22413 transitions. Second operand 9 states. [2018-11-22 22:05:26,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:05:26,807 INFO L93 Difference]: Finished difference Result 48752 states and 50684 transitions. [2018-11-22 22:05:26,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-22 22:05:26,807 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1325 [2018-11-22 22:05:26,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:05:26,833 INFO L225 Difference]: With dead ends: 48752 [2018-11-22 22:05:26,833 INFO L226 Difference]: Without dead ends: 21077 [2018-11-22 22:05:26,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2677 GetRequests, 2655 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-22 22:05:26,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21077 states. [2018-11-22 22:05:26,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21077 to 18138. [2018-11-22 22:05:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18138 states. [2018-11-22 22:05:27,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18138 states to 18138 states and 18665 transitions. [2018-11-22 22:05:27,008 INFO L78 Accepts]: Start accepts. Automaton has 18138 states and 18665 transitions. Word has length 1325 [2018-11-22 22:05:27,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:05:27,010 INFO L480 AbstractCegarLoop]: Abstraction has 18138 states and 18665 transitions. [2018-11-22 22:05:27,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:05:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 18138 states and 18665 transitions. [2018-11-22 22:05:27,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1423 [2018-11-22 22:05:27,025 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:05:27,025 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 22:05:27,026 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:05:27,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:27,026 INFO L82 PathProgramCache]: Analyzing trace with hash -924712917, now seen corresponding path program 1 times [2018-11-22 22:05:27,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:05:27,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:27,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:27,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:27,027 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:05:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:27,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3959 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 3634 trivial. 0 not checked. [2018-11-22 22:05:27,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:05:27,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 22:05:27,666 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:05:27,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 22:05:27,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 22:05:27,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:05:27,667 INFO L87 Difference]: Start difference. First operand 18138 states and 18665 transitions. Second operand 4 states. [2018-11-22 22:05:28,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:05:28,521 INFO L93 Difference]: Finished difference Result 35575 states and 36632 transitions. [2018-11-22 22:05:28,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 22:05:28,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1422 [2018-11-22 22:05:28,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:05:28,536 INFO L225 Difference]: With dead ends: 35575 [2018-11-22 22:05:28,536 INFO L226 Difference]: Without dead ends: 13990 [2018-11-22 22:05:28,551 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:05:28,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13990 states. [2018-11-22 22:05:28,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13990 to 13990. [2018-11-22 22:05:28,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13990 states. [2018-11-22 22:05:28,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13990 states to 13990 states and 14323 transitions. [2018-11-22 22:05:28,655 INFO L78 Accepts]: Start accepts. Automaton has 13990 states and 14323 transitions. Word has length 1422 [2018-11-22 22:05:28,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:05:28,656 INFO L480 AbstractCegarLoop]: Abstraction has 13990 states and 14323 transitions. [2018-11-22 22:05:28,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 22:05:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 13990 states and 14323 transitions. [2018-11-22 22:05:28,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1877 [2018-11-22 22:05:28,675 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:05:28,676 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:05:28,676 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:05:28,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:28,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1780385466, now seen corresponding path program 1 times [2018-11-22 22:05:28,676 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:05:28,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:28,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:28,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:28,677 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:05:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6712 backedges. 2439 proven. 1143 refuted. 0 times theorem prover too weak. 3130 trivial. 0 not checked. [2018-11-22 22:05:31,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:31,893 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:05:31,894 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1877 with the following transitions: [2018-11-22 22:05:31,894 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [776], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:05:31,897 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:05:31,897 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:05:35,153 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:05:35,153 INFO L272 AbstractInterpreter]: Visited 353 different actions 1407 times. Merged at 12 different actions 36 times. Never widened. Performed 17353 root evaluator evaluations with a maximum evaluation depth of 22. Performed 17353 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-22 22:05:35,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:35,159 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:05:35,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:35,159 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:05:35,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:35,166 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:05:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:35,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:05:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6712 backedges. 4712 proven. 6 refuted. 0 times theorem prover too weak. 1994 trivial. 0 not checked. [2018-11-22 22:05:36,428 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:05:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6712 backedges. 1645 proven. 852 refuted. 0 times theorem prover too weak. 4215 trivial. 0 not checked. [2018-11-22 22:05:38,323 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:05:38,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-11-22 22:05:38,324 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:05:38,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-22 22:05:38,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-22 22:05:38,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2018-11-22 22:05:38,326 INFO L87 Difference]: Start difference. First operand 13990 states and 14323 transitions. Second operand 20 states. [2018-11-22 22:05:46,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:05:46,230 INFO L93 Difference]: Finished difference Result 25894 states and 26599 transitions. [2018-11-22 22:05:46,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-11-22 22:05:46,230 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1876 [2018-11-22 22:05:46,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:05:46,256 INFO L225 Difference]: With dead ends: 25894 [2018-11-22 22:05:46,256 INFO L226 Difference]: Without dead ends: 15310 [2018-11-22 22:05:46,270 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3873 GetRequests, 3789 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1896 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1295, Invalid=5677, Unknown=0, NotChecked=0, Total=6972 [2018-11-22 22:05:46,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15310 states. [2018-11-22 22:05:46,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15310 to 14678. [2018-11-22 22:05:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14678 states. [2018-11-22 22:05:46,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14678 states to 14678 states and 15005 transitions. [2018-11-22 22:05:46,398 INFO L78 Accepts]: Start accepts. Automaton has 14678 states and 15005 transitions. Word has length 1876 [2018-11-22 22:05:46,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:05:46,399 INFO L480 AbstractCegarLoop]: Abstraction has 14678 states and 15005 transitions. [2018-11-22 22:05:46,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-22 22:05:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 14678 states and 15005 transitions. [2018-11-22 22:05:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1998 [2018-11-22 22:05:46,421 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:05:46,421 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 22:05:46,421 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:05:46,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:46,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1548633766, now seen corresponding path program 1 times [2018-11-22 22:05:46,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:05:46,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:46,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:46,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:46,423 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:05:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 7587 backedges. 1253 proven. 885 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2018-11-22 22:05:48,731 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:48,731 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:05:48,732 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1998 with the following transitions: [2018-11-22 22:05:48,732 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:05:48,735 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:05:48,735 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:05:49,698 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:05:49,698 INFO L272 AbstractInterpreter]: Visited 290 different actions 1164 times. Merged at 11 different actions 36 times. Widened at 1 different actions 1 times. Performed 14013 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14013 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-22 22:05:49,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:49,707 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:05:49,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:05:49,707 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:05:49,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:49,714 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:05:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:05:49,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:05:51,214 INFO L134 CoverageAnalysis]: Checked inductivity of 7587 backedges. 5019 proven. 2 refuted. 0 times theorem prover too weak. 2566 trivial. 0 not checked. [2018-11-22 22:05:51,214 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:05:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 7587 backedges. 1253 proven. 885 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2018-11-22 22:05:54,117 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:05:54,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-22 22:05:54,117 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:05:54,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-22 22:05:54,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-22 22:05:54,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:05:54,119 INFO L87 Difference]: Start difference. First operand 14678 states and 15005 transitions. Second operand 11 states. [2018-11-22 22:05:56,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:05:56,695 INFO L93 Difference]: Finished difference Result 25976 states and 26598 transitions. [2018-11-22 22:05:56,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-22 22:05:56,695 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1997 [2018-11-22 22:05:56,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:05:56,711 INFO L225 Difference]: With dead ends: 25976 [2018-11-22 22:05:56,712 INFO L226 Difference]: Without dead ends: 14704 [2018-11-22 22:05:56,721 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4036 GetRequests, 4006 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2018-11-22 22:05:56,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14704 states. [2018-11-22 22:05:56,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14704 to 14337. [2018-11-22 22:05:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14337 states. [2018-11-22 22:05:56,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14337 states to 14337 states and 14630 transitions. [2018-11-22 22:05:56,848 INFO L78 Accepts]: Start accepts. Automaton has 14337 states and 14630 transitions. Word has length 1997 [2018-11-22 22:05:56,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:05:56,849 INFO L480 AbstractCegarLoop]: Abstraction has 14337 states and 14630 transitions. [2018-11-22 22:05:56,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-22 22:05:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 14337 states and 14630 transitions. [2018-11-22 22:05:56,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2238 [2018-11-22 22:05:56,898 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:05:56,898 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 22:05:56,898 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:05:56,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:05:56,899 INFO L82 PathProgramCache]: Analyzing trace with hash 2093636386, now seen corresponding path program 1 times [2018-11-22 22:05:56,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:05:56,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:56,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:05:56,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:05:56,900 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:05:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:06:03,964 INFO L134 CoverageAnalysis]: Checked inductivity of 9734 backedges. 1227 proven. 6080 refuted. 0 times theorem prover too weak. 2427 trivial. 0 not checked. [2018-11-22 22:06:03,964 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:06:03,964 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:06:03,964 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2238 with the following transitions: [2018-11-22 22:06:03,964 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 22:06:03,967 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:06:03,967 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:06:04,836 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:06:04,837 INFO L272 AbstractInterpreter]: Visited 292 different actions 1169 times. Merged at 11 different actions 33 times. Never widened. Performed 14152 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14152 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 11 different actions. Largest state had 24 variables. [2018-11-22 22:06:04,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:06:04,839 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:06:04,839 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:06:04,839 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:06:04,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:06:04,846 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:06:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:06:05,085 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:06:06,374 INFO L134 CoverageAnalysis]: Checked inductivity of 9734 backedges. 5365 proven. 2 refuted. 0 times theorem prover too weak. 4367 trivial. 0 not checked. [2018-11-22 22:06:06,374 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:06:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 9734 backedges. 990 proven. 749 refuted. 0 times theorem prover too weak. 7995 trivial. 0 not checked. [2018-11-22 22:06:08,093 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:06:08,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-11-22 22:06:08,093 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:06:08,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-22 22:06:08,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-22 22:06:08,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-11-22 22:06:08,095 INFO L87 Difference]: Start difference. First operand 14337 states and 14630 transitions. Second operand 28 states. [2018-11-22 22:06:18,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:06:18,882 INFO L93 Difference]: Finished difference Result 29764 states and 30491 transitions. [2018-11-22 22:06:18,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-11-22 22:06:18,882 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2237 [2018-11-22 22:06:18,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:06:18,883 INFO L225 Difference]: With dead ends: 29764 [2018-11-22 22:06:18,883 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:06:18,903 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4623 GetRequests, 4525 SyntacticMatches, 6 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2867 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1306, Invalid=7436, Unknown=0, NotChecked=0, Total=8742 [2018-11-22 22:06:18,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:06:18,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:06:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:06:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:06:18,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2237 [2018-11-22 22:06:18,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:06:18,904 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:06:18,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-22 22:06:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:06:18,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:06:18,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:06:18,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:18,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:18,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:18,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,433 WARN L180 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 386 [2018-11-22 22:06:19,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:19,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:20,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:21,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:21,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:21,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:21,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:06:21,178 WARN L180 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 435 [2018-11-22 22:06:22,977 WARN L180 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 362 DAG size of output: 104 [2018-11-22 22:06:25,343 WARN L180 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 475 DAG size of output: 120 [2018-11-22 22:06:27,474 WARN L180 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 421 DAG size of output: 117 [2018-11-22 22:06:30,513 WARN L180 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 463 DAG size of output: 146 [2018-11-22 22:06:32,357 WARN L180 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 417 DAG size of output: 105 [2018-11-22 22:06:32,359 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:06:32,359 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,360 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,361 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,361 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,361 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,361 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,361 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,361 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,361 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,361 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,361 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,361 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse23 (= ~a18~0 |old(~a18~0)|)) (.cse10 (= 4 |old(~a15~0)|)) (.cse17 (= 8 |old(~a12~0)|)) (.cse5 (not (= 3 |old(~a15~0)|))) (.cse22 (not (= 11 |old(~a16~0)|))) (.cse8 (= ~a16~0 10)) (.cse7 (= |old(~a15~0)| ~a15~0)) (.cse9 (= |old(~a12~0)| ~a12~0))) (let ((.cse15 (not (= |old(~a16~0)| 10))) (.cse12 (< |old(~a16~0)| 12)) (.cse2 (and .cse8 .cse7 .cse9)) (.cse1 (or .cse5 .cse22)) (.cse3 (not (= 6 |old(~a12~0)|))) (.cse19 (not .cse17)) (.cse13 (<= (+ ~a18~0 156) 0)) (.cse4 (not (= 10 |old(~a16~0)|))) (.cse20 (not .cse10)) (.cse0 (and .cse7 (= ~a16~0 |old(~a16~0)|) .cse23 .cse9)) (.cse6 (not (= 5 |old(~a12~0)|))) (.cse16 (not (= 8 |old(~a16~0)|))) (.cse14 (< 0 (+ |old(~a18~0)| 156))) (.cse11 (< |old(~a12~0)| 6)) (.cse18 (and (= |old(~a16~0)| ~a16~0) .cse7 .cse9)) (.cse21 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 (not (= 9 |old(~a12~0)|)) .cse1) (or .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse7 .cse8 .cse9) .cse4) (or .cse0 .cse10 .cse11 .cse12) (or .cse13 .cse3 .cse14 .cse15) (or .cse16 .cse10 .cse17 .cse18) (or (or .cse10 .cse19 .cse14) .cse13 .cse15) (or .cse20 .cse6 .cse0 .cse21) (or .cse5 .cse6 .cse0 .cse12) (or (or .cse10 .cse19) .cse4 .cse2) (or .cse11 .cse13 .cse21 .cse14) (or .cse13 (or .cse5 .cse6 (< |old(~a16~0)| 9) .cse14)) (or (or .cse16 .cse19) (forall ((v_~a18~0_1159 Int)) (or (< 0 (+ v_~a18~0_1159 79)) (< |old(~a18~0)| (div (* 5 (div (* 10 v_~a18~0_1159) (- 5))) 5)))) .cse0) (or .cse20 .cse11 .cse0 .cse21) (or .cse0 (or .cse1 .cse3)) (or .cse0 (or .cse5 .cse19 .cse22)) (or (or .cse5 (not (= 7 |old(~a12~0)|)) .cse22) .cse0) (or .cse16 .cse10 .cse13 .cse14) (or .cse20 .cse16 .cse11 .cse0) (or .cse0 (or .cse5 .cse6 .cse22)) (or .cse20 (and .cse7 .cse23 .cse8 .cse9) .cse4 (< 7 |old(~a12~0)|)) (or .cse20 .cse0 .cse16 .cse6) (or (and .cse7 (= 9 ~a16~0) .cse9) (or .cse5 .cse6) .cse21) (or .cse16 .cse18 .cse10 .cse14) (or .cse11 .cse18 .cse21)))) [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,362 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-22 22:06:32,363 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse32 (+ ~a18~0 156))) (let ((.cse8 (<= .cse32 0)) (.cse31 (= |old(~a16~0)| ~a16~0)) (.cse20 (= 4 |old(~a15~0)|)) (.cse4 (not (= 3 |old(~a15~0)|))) (.cse25 (not (= 11 |old(~a16~0)|))) (.cse6 (= |calculate_output_#in~input| 0)) (.cse23 (not (= calculate_output_~input 0))) (.cse24 (= ~a16~0 |old(~a16~0)|)) (.cse17 (= ~a18~0 |old(~a18~0)|)) (.cse15 (= 8 |old(~a12~0)|)) (.cse30 (= 6 |old(~a12~0)|)) (.cse18 (= ~a16~0 10)) (.cse16 (= |old(~a15~0)| ~a15~0)) (.cse19 (= |old(~a12~0)| ~a12~0))) (let ((.cse10 (and .cse18 .cse16 .cse19)) (.cse11 (not .cse30)) (.cse12 (< |old(~a16~0)| 12)) (.cse1 (not .cse15)) (.cse7 (not (= 10 |old(~a16~0)|))) (.cse13 (and .cse16 .cse23 .cse24 .cse17 .cse19)) (.cse28 (or .cse4 .cse25 .cse6)) (.cse3 (and .cse16 .cse24 .cse17 .cse19)) (.cse22 (< 0 .cse32)) (.cse14 (not .cse20)) (.cse29 (and .cse16 .cse24 .cse23 .cse17 .cse19)) (.cse0 (not (= 8 |old(~a16~0)|))) (.cse2 (and .cse8 (not (= ~a12~0 6)) (= 8 ~a16~0) .cse31 .cse16 .cse19)) (.cse9 (< 0 (+ |old(~a18~0)| 156))) (.cse26 (< |old(~a12~0)| 6)) (.cse21 (and .cse31 .cse16 .cse19)) (.cse27 (not (= 9 |old(~a16~0)|))) (.cse5 (not (= 5 |old(~a12~0)|)))) (and (or .cse0 .cse1 (forall ((v_~a18~0_1159 Int)) (or (< 0 (+ v_~a18~0_1159 79)) (< |old(~a18~0)| (div (* 5 (div (* 10 v_~a18~0_1159) (- 5))) 5)))) .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse11 .cse7) (or .cse4 .cse5 .cse12 .cse6 .cse13) (or .cse8 .cse11 .cse7 .cse9) (or .cse14 .cse15 (< 8 |old(~a12~0)|) .cse7 (and .cse16 .cse17 .cse18 .cse19)) (or .cse0 .cse20 .cse15 .cse21) (or (and .cse16 (or (not (= calculate_output_~input 3)) .cse22) .cse23 .cse24 .cse17 .cse19) (or .cse4 .cse1 .cse25 .cse6)) (or .cse0 .cse6 (or .cse4 .cse5) .cse23) (or .cse1 .cse20 .cse7 .cse10) (or .cse26 .cse8 .cse27 .cse9) (or (or .cse28 .cse11) .cse29) (or (and .cse24 .cse23 .cse17 (= ~a12~0 5) .cse16) (and .cse8 .cse16 (= ~a16~0 11) .cse23 .cse19) (or .cse4 .cse5 .cse25 .cse6)) (or .cse20 .cse26 .cse12 .cse3) (or .cse14 .cse3 .cse26 .cse27) (or .cse4 .cse5 .cse6 .cse7 (and .cse16 .cse23 .cse18 .cse19)) (or .cse1 .cse20 .cse8 .cse7 .cse9) (or .cse14 .cse0 .cse3 .cse26) (or .cse13 .cse28 (not (= 9 |old(~a12~0)|))) (or .cse4 .cse5 .cse6 (and .cse16 (= 9 ~a16~0) .cse23 .cse19) .cse27) (or .cse14 .cse0 .cse5 .cse3) (or (and .cse16 .cse24 .cse17 (or (not (= calculate_output_~input 4)) .cse22) .cse19) (or .cse14 .cse5 .cse27)) (or .cse0 .cse20 .cse8 .cse9) (or (or .cse4 (not (= 7 |old(~a12~0)|)) .cse25 .cse6) .cse29) (or .cse30 .cse0 .cse2 .cse20 .cse9) (or .cse4 .cse5 .cse6 .cse8 .cse27 .cse9) (or .cse26 .cse21 .cse27) (or .cse4 .cse5 (<= 0 (+ ~a18~0 87)) .cse25 .cse6 (not (= (+ |old(~a18~0)| 87) 0))))))) [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,364 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,365 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,366 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,367 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,368 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse21 (= ~a16~0 |old(~a16~0)|)) (.cse22 (= ~a18~0 |old(~a18~0)|)) (.cse13 (= 4 |old(~a15~0)|)) (.cse2 (not (= 3 |old(~a15~0)|))) (.cse11 (not (= 11 |old(~a16~0)|))) (.cse4 (= |calculate_output_#in~input| 0)) (.cse17 (= 8 |old(~a12~0)|)) (.cse20 (= ~a16~0 10)) (.cse0 (= |old(~a15~0)| ~a15~0)) (.cse1 (= |old(~a12~0)| ~a12~0))) (let ((.cse15 (< |old(~a16~0)| 12)) (.cse9 (and .cse20 .cse0 .cse1)) (.cse19 (not .cse17)) (.cse24 (or .cse2 .cse11 .cse4)) (.cse10 (not (= 6 |old(~a12~0)|))) (.cse6 (<= (+ ~a18~0 156) 0)) (.cse7 (not (= 10 |old(~a16~0)|))) (.cse23 (not .cse13)) (.cse12 (and .cse0 .cse21 .cse22 .cse1)) (.cse3 (not (= 5 |old(~a12~0)|))) (.cse14 (< |old(~a12~0)| 6)) (.cse5 (not (= 9 |old(~a16~0)|))) (.cse16 (not (= 8 |old(~a16~0)|))) (.cse18 (and (= |old(~a16~0)| ~a16~0) .cse0 .cse1)) (.cse8 (< 0 (+ |old(~a18~0)| 156)))) (and (or (and .cse0 (= 9 ~a16~0) .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse4 .cse6 .cse7 .cse8) (or .cse9 .cse10 .cse7) (or (or .cse2 (not (= 7 |old(~a12~0)|)) .cse11 .cse4) .cse12) (or .cse6 .cse10 .cse7 .cse8) (or .cse12 .cse13 .cse14 .cse15) (or .cse16 .cse13 .cse17 .cse18) (or .cse2 .cse3 .cse12 .cse15 .cse4) (or .cse13 .cse19 .cse7 .cse9) (or .cse12 (or .cse2 .cse19 .cse11 .cse4)) (or .cse2 .cse3 (and .cse0 .cse20 .cse1) .cse4 .cse7) (or (and .cse21 .cse22 (= ~a12~0 5) .cse0) (or .cse2 .cse3 .cse11 .cse4)) (or .cse12 (or .cse23 .cse3 .cse5)) (or .cse14 .cse6 .cse5 .cse8) (or .cse23 .cse14 .cse12 .cse5) (or .cse16 .cse12 .cse19 (forall ((v_~a18~0_1159 Int)) (or (< 0 (+ v_~a18~0_1159 79)) (< |old(~a18~0)| (div (* 5 (div (* 10 v_~a18~0_1159) (- 5))) 5))))) (or .cse12 .cse24 (not (= 9 |old(~a12~0)|))) (or .cse16 .cse13 .cse6 .cse8) (or .cse13 .cse6 .cse19 .cse7 .cse8) (or .cse23 .cse16 .cse14 .cse12) (or (or .cse24 .cse10) .cse12) (or .cse2 .cse3 .cse4 .cse6 .cse5 .cse8) (or .cse23 (and .cse0 .cse22 .cse20 .cse1) .cse7 (< 7 |old(~a12~0)|)) (or .cse23 .cse12 .cse16 .cse3) (or .cse14 .cse18 .cse5) (or .cse16 .cse18 .cse13 .cse8)))) [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,369 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-22 22:06:32,370 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,371 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,372 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,373 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,374 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,374 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,374 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,374 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,374 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,374 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,374 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-22 22:06:32,374 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-22 22:06:32,374 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,374 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,374 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,374 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,375 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-22 22:06:32,376 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,377 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,378 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,379 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:06:32,380 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-11-22 22:06:32,380 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:06:32,381 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:06:32,381 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0))) (not (= (+ |old(~a18~0)| 87) 0))) [2018-11-22 22:06:32,381 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-22 22:06:32,381 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse7 (= ~a16~0 11)) (.cse2 (<= |old(~a18~0)| ~a18~0)) (.cse6 (= 5 ~a12~0)) (.cse1 (= |old(~a16~0)| ~a16~0)) (.cse13 (<= (+ ~a18~0 156) 0)) (.cse3 (= 9 ~a16~0)) (.cse17 (+ |old(~a18~0)| 87)) (.cse0 (not (= main_~input~0 0))) (.cse14 (= ~a15~0 3)) (.cse15 (= ~a12~0 5)) (.cse9 (= 8 ~a16~0)) (.cse5 (= 4 ~a15~0)) (.cse4 (<= 6 ~a12~0)) (.cse11 (= 8 ~a12~0)) (.cse10 (not (= ~a15~0 4))) (.cse12 (= ~a16~0 10)) (.cse18 (<= 12 ~a16~0)) (.cse16 (= 6 ~a12~0)) (.cse8 (= |old(~a15~0)| ~a15~0))) (or (and .cse0 .cse1 .cse2 (= ~a15~0 |old(~a15~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|)) (and .cse3 .cse4) (and .cse5 .cse6 .cse3) (and (and .cse0 .cse7) (= ~a12~0 9) .cse8) (and .cse9 .cse10 (not (= ~a12~0 8))) (and (and .cse11 .cse0) .cse1 .cse8) (not (= 3 |old(~a15~0)|)) (and .cse5 (<= ~a12~0 7) .cse12) (and .cse13 .cse0 .cse7 .cse14 .cse15) (and .cse16 .cse12) (and .cse9 (exists ((v_~a18~0_1159 Int)) (and (<= (div (* 5 (div (* 10 v_~a18~0_1159) (- 5))) 5) ~a18~0) (<= (+ v_~a18~0_1159 79) 0))) .cse4) (and .cse16 .cse0 .cse2 .cse8 (= ~a16~0 |old(~a16~0)|)) (and .cse9 .cse6) (and (and .cse0 (= 7 ~a12~0)) .cse1 .cse8) (not (= 5 |old(~a12~0)|)) (< 0 .cse17) (and .cse13 .cse9 .cse10) (and .cse18 .cse0 .cse14 .cse15) (and .cse0 .cse14 .cse15 .cse3) (and (and .cse18 (not (= ~a12~0 6)) .cse10) .cse4) (< .cse17 0) (and .cse0 .cse14 .cse15 .cse12) (and .cse9 .cse5 .cse4) (and (and .cse11 .cse10) .cse12) (and (and .cse18 .cse16) .cse8))) [2018-11-22 22:06:32,381 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-22 22:06:32,381 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-22 22:06:32,381 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse17 (= ~a12~0 5)) (.cse10 (= ~a16~0 11)) (.cse16 (= ~a15~0 3))) (let ((.cse0 (= 9 ~a16~0)) (.cse4 (= 5 ~a12~0)) (.cse9 (<= (+ ~a18~0 156) 0)) (.cse14 (+ |old(~a18~0)| 87)) (.cse18 (and .cse10 .cse16)) (.cse11 (<= |old(~a18~0)| ~a18~0)) (.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse1 (and (not (= ~a16~0 0)) .cse16 (not (= ~a16~0 12)) .cse17)) (.cse5 (= 8 ~a16~0)) (.cse3 (= 4 ~a15~0)) (.cse2 (<= 6 ~a12~0)) (.cse19 (= 8 ~a12~0)) (.cse6 (not (= ~a15~0 4))) (.cse7 (= ~a16~0 10)) (.cse15 (<= 12 ~a16~0)) (.cse8 (= 6 ~a12~0)) (.cse12 (= |old(~a15~0)| ~a15~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1) (and .cse0 .cse2) (and .cse3 .cse4 .cse0) (and .cse5 .cse6 (not (= ~a12~0 8))) (not (= 3 |old(~a15~0)|)) (and .cse3 (<= ~a12~0 7) .cse7) (and .cse8 .cse7) (and .cse5 (exists ((v_~a18~0_1159 Int)) (and (<= (div (* 5 (div (* 10 v_~a18~0_1159) (- 5))) 5) ~a18~0) (<= (+ v_~a18~0_1159 79) 0))) .cse2) (and .cse9 (and .cse10 .cse1)) (and .cse8 .cse11 .cse12 .cse13) (and .cse5 .cse4) (not (= 5 |old(~a12~0)|)) (< 0 .cse14) (and .cse9 .cse5 .cse6) (and (and .cse15 (not (= ~a12~0 6)) .cse6) .cse2) (< .cse14 0) (and .cse13 (= ~a12~0 9) .cse12) (and .cse15 (and .cse16 .cse17)) (and .cse18 .cse19) (and .cse18 (= 7 ~a12~0)) (and .cse11 (= ~a15~0 |old(~a15~0)|) .cse13 (= |old(~a12~0)| ~a12~0)) (and .cse1 .cse7) (and .cse5 .cse3 .cse2) (and (and .cse19 .cse6) .cse7) (and (and .cse15 .cse8) .cse12)))) [2018-11-22 22:06:32,381 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-22 22:06:32,387 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1159,QUANTIFIED] [2018-11-22 22:06:32,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1159,QUANTIFIED] [2018-11-22 22:06:32,394 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1159,QUANTIFIED] [2018-11-22 22:06:32,395 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1159,QUANTIFIED] [2018-11-22 22:06:32,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:06:32 BoogieIcfgContainer [2018-11-22 22:06:32,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:06:32,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:06:32,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:06:32,399 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:06:32,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:00:04" (3/4) ... [2018-11-22 22:06:32,403 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:06:32,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:06:32,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-22 22:06:32,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-22 22:06:32,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:06:32,437 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-22 22:06:32,439 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 22:06:32,469 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((!(11 == \old(a16)) || (9 == a16 && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || (9 == a16 && 6 <= a12)) || ((4 == a15 && 5 == a12) && 9 == a16)) || ((8 == a16 && !(a15 == 4)) && !(a12 == 8))) || !(3 == \old(a15))) || ((4 == a15 && a12 <= 7) && a16 == 10)) || (6 == a12 && a16 == 10)) || ((8 == a16 && (\exists v_~a18~0_1159 : int :: 5 * (10 * v_~a18~0_1159 / -5) / 5 <= a18 && v_~a18~0_1159 + 79 <= 0)) && 6 <= a12)) || (a18 + 156 <= 0 && a16 == 11 && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || (((6 == a12 && \old(a18) <= a18) && \old(a15) == a15) && a16 == \old(a16))) || (8 == a16 && 5 == a12)) || !(5 == \old(a12))) || 0 < \old(a18) + 87) || ((a18 + 156 <= 0 && 8 == a16) && !(a15 == 4))) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || \old(a18) + 87 < 0) || ((a16 == \old(a16) && a12 == 9) && \old(a15) == a15)) || (12 <= a16 && a15 == 3 && a12 == 5)) || ((a16 == 11 && a15 == 3) && 8 == a12)) || ((a16 == 11 && a15 == 3) && 7 == a12)) || (((\old(a18) <= a18 && a15 == \old(a15)) && a16 == \old(a16)) && \old(a12) == a12)) || ((((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && a16 == 10)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || ((8 == a12 && !(a15 == 4)) && a16 == 10)) || ((12 <= a16 && 6 == a12) && \old(a15) == a15) [2018-11-22 22:06:32,623 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2eb31238-8f9c-4262-bfce-e0338af5a6a0/bin-2019/utaipan/witness.graphml [2018-11-22 22:06:32,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:06:32,624 INFO L168 Benchmark]: Toolchain (without parser) took 390730.84 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 951.2 MB in the beginning and 476.8 MB in the end (delta: 474.4 MB). Peak memory consumption was 4.8 GB. Max. memory is 11.5 GB. [2018-11-22 22:06:32,625 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:06:32,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.05 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 878.7 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:06:32,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 878.7 MB in the beginning and 1.1 GB in the end (delta: -263.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:06:32,626 INFO L168 Benchmark]: Boogie Preprocessor took 71.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:06:32,626 INFO L168 Benchmark]: RCFGBuilder took 1479.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 885.0 MB in the end (delta: 246.5 MB). Peak memory consumption was 246.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:06:32,626 INFO L168 Benchmark]: TraceAbstraction took 388159.57 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 885.0 MB in the beginning and 557.4 MB in the end (delta: 327.6 MB). Peak memory consumption was 4.7 GB. Max. memory is 11.5 GB. [2018-11-22 22:06:32,627 INFO L168 Benchmark]: Witness Printer took 224.91 ms. Allocated memory is still 5.4 GB. Free memory was 557.4 MB in the beginning and 476.8 MB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:06:32,628 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 684.05 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 878.7 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 878.7 MB in the beginning and 1.1 GB in the end (delta: -263.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1479.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 885.0 MB in the end (delta: 246.5 MB). Peak memory consumption was 246.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 388159.57 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 885.0 MB in the beginning and 557.4 MB in the end (delta: 327.6 MB). Peak memory consumption was 4.7 GB. Max. memory is 11.5 GB. * Witness Printer took 224.91 ms. Allocated memory is still 5.4 GB. Free memory was 557.4 MB in the beginning and 476.8 MB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1159,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1159,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1159,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1159,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: 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: 1773]: Loop Invariant [2018-11-22 22:06:32,632 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1159,QUANTIFIED] [2018-11-22 22:06:32,632 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1159,QUANTIFIED] [2018-11-22 22:06:32,634 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1159,QUANTIFIED] [2018-11-22 22:06:32,634 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1159,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((!(11 == \old(a16)) || (9 == a16 && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || (9 == a16 && 6 <= a12)) || ((4 == a15 && 5 == a12) && 9 == a16)) || ((8 == a16 && !(a15 == 4)) && !(a12 == 8))) || !(3 == \old(a15))) || ((4 == a15 && a12 <= 7) && a16 == 10)) || (6 == a12 && a16 == 10)) || ((8 == a16 && (\exists v_~a18~0_1159 : int :: 5 * (10 * v_~a18~0_1159 / -5) / 5 <= a18 && v_~a18~0_1159 + 79 <= 0)) && 6 <= a12)) || (a18 + 156 <= 0 && a16 == 11 && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || (((6 == a12 && \old(a18) <= a18) && \old(a15) == a15) && a16 == \old(a16))) || (8 == a16 && 5 == a12)) || !(5 == \old(a12))) || 0 < \old(a18) + 87) || ((a18 + 156 <= 0 && 8 == a16) && !(a15 == 4))) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || \old(a18) + 87 < 0) || ((a16 == \old(a16) && a12 == 9) && \old(a15) == a15)) || (12 <= a16 && a15 == 3 && a12 == 5)) || ((a16 == 11 && a15 == 3) && 8 == a12)) || ((a16 == 11 && a15 == 3) && 7 == a12)) || (((\old(a18) <= a18 && a15 == \old(a15)) && a16 == \old(a16)) && \old(a12) == a12)) || ((((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && a16 == 10)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || ((8 == a12 && !(a15 == 4)) && a16 == 10)) || ((12 <= a16 && 6 == a12) && \old(a15) == a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 388.0s OverallTime, 21 OverallIterations, 13 TraceHistogramMax, 314.8s AutomataDifference, 0.0s DeadEndRemovalTime, 13.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 4915 SDtfs, 42362 SDslu, 4973 SDs, 0 SdLazy, 86510 SolverSat, 8655 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 280.9s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 29975 GetRequests, 29559 SyntacticMatches, 31 SemanticMatches, 385 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5309 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25745occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 15.2s AbstIntTime, 15 AbstIntIterations, 5 AbstIntStrong, 0.9981043538726599 AbsIntWeakeningRatio, 0.05836443841194435 AbsIntAvgWeakeningVarsNumRemoved, 16.1014591109603 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 21 MinimizatonAttempts, 7925 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2346 PreInvPairs, 4379 NumberOfFragments, 2800 HoareAnnotationTreeSize, 2346 FomulaSimplifications, 100702 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 75526 FormulaSimplificationTreeSizeReductionInter, 11.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 20.8s InterpolantComputationTime, 32251 NumberOfCodeBlocks, 32251 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 45469 ConstructedInterpolants, 6 QuantifiedInterpolants, 210033649 SizeOfPredicates, 9 NumberOfNonLiveVariables, 17188 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 41 InterpolantComputations, 10 PerfectInterpolantSequences, 112138/124920 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...