./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label40_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_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label40_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/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 ff1c9a6c430c39da5b14cad9bf3eb91126a91c65 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:44:49,367 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:44:49,368 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:44:49,374 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:44:49,375 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:44:49,375 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:44:49,376 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:44:49,377 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:44:49,378 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:44:49,379 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:44:49,379 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:44:49,380 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:44:49,380 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:44:49,381 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:44:49,382 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:44:49,382 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:44:49,383 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:44:49,384 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:44:49,385 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:44:49,386 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:44:49,387 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:44:49,388 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:44:49,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:44:49,389 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:44:49,389 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:44:49,390 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:44:49,390 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:44:49,391 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:44:49,391 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:44:49,392 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:44:49,392 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:44:49,393 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:44:49,393 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:44:49,393 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:44:49,394 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:44:49,394 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:44:49,394 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 01:44:49,401 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:44:49,401 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:44:49,402 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:44:49,402 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:44:49,402 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:44:49,402 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:44:49,402 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:44:49,402 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:44:49,402 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:44:49,402 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:44:49,403 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:44:49,403 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:44:49,403 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:44:49,403 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:44:49,403 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:44:49,403 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:44:49,403 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:44:49,404 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:44:49,404 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:44:49,404 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:44:49,404 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:44:49,404 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:44:49,404 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:44:49,404 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:44:49,405 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:44:49,405 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:44:49,405 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:44:49,405 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:44:49,405 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:44:49,405 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:44:49,405 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:44:49,406 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:44:49,406 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:44:49,406 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:44:49,406 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:44:49,406 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:44:49,406 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:44:49,406 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_5c068b5f-0053-4abb-b3eb-3ba2305f3575/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 -> ff1c9a6c430c39da5b14cad9bf3eb91126a91c65 [2018-11-23 01:44:49,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:44:49,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:44:49,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:44:49,443 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:44:49,444 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:44:49,444 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label40_true-unreach-call.c [2018-11-23 01:44:49,485 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/data/e643a3659/96a1b4b7e06f49be8325e9e56da6b7ec/FLAGb03318b02 [2018-11-23 01:44:49,986 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:44:49,986 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/sv-benchmarks/c/eca-rers2012/Problem16_label40_true-unreach-call.c [2018-11-23 01:44:49,996 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/data/e643a3659/96a1b4b7e06f49be8325e9e56da6b7ec/FLAGb03318b02 [2018-11-23 01:44:50,007 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/data/e643a3659/96a1b4b7e06f49be8325e9e56da6b7ec [2018-11-23 01:44:50,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:44:50,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:44:50,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:44:50,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:44:50,012 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:44:50,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:50" (1/1) ... [2018-11-23 01:44:50,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab3e4fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50, skipping insertion in model container [2018-11-23 01:44:50,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:50" (1/1) ... [2018-11-23 01:44:50,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:44:50,063 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:44:50,454 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:44:50,456 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:44:50,586 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:44:50,595 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:44:50,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50 WrapperNode [2018-11-23 01:44:50,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:44:50,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:44:50,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:44:50,596 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:44:50,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2018-11-23 01:44:50,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2018-11-23 01:44:50,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:44:50,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:44:50,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:44:50,700 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:44:50,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2018-11-23 01:44:50,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2018-11-23 01:44:50,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2018-11-23 01:44:50,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2018-11-23 01:44:50,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2018-11-23 01:44:50,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2018-11-23 01:44:50,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2018-11-23 01:44:50,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:44:50,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:44:50,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:44:50,774 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:44:50,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:44:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 01:44:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:44:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:44:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 01:44:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 01:44:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 01:44:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 01:44:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:44:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:44:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:44:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:44:52,403 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:44:52,403 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 01:44:52,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:52 BoogieIcfgContainer [2018-11-23 01:44:52,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:44:52,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:44:52,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:44:52,407 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:44:52,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:44:50" (1/3) ... [2018-11-23 01:44:52,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224fda2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:52, skipping insertion in model container [2018-11-23 01:44:52,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (2/3) ... [2018-11-23 01:44:52,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224fda2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:52, skipping insertion in model container [2018-11-23 01:44:52,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:52" (3/3) ... [2018-11-23 01:44:52,411 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label40_true-unreach-call.c [2018-11-23 01:44:52,420 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:44:52,427 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:44:52,441 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:44:52,471 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:44:52,471 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:44:52,471 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:44:52,471 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:44:52,474 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:44:52,474 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:44:52,474 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:44:52,474 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:44:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-23 01:44:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 01:44:52,521 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:44:52,522 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:44:52,524 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:44:52,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:44:52,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1393249942, now seen corresponding path program 1 times [2018-11-23 01:44:52,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:44:52,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:44:52,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:44:52,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:44:52,571 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:44:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:44:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:44:52,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:44:52,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:44:52,760 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:44:52,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:44:52,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:44:52,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:44:52,778 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-23 01:44:55,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:44:55,919 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-23 01:44:55,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:44:55,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-11-23 01:44:55,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:44:55,935 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 01:44:55,935 INFO L226 Difference]: Without dead ends: 742 [2018-11-23 01:44:55,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:44:55,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-23 01:44:56,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-23 01:44:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-23 01:44:56,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1351 transitions. [2018-11-23 01:44:56,005 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1351 transitions. Word has length 69 [2018-11-23 01:44:56,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:44:56,006 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1351 transitions. [2018-11-23 01:44:56,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:44:56,006 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1351 transitions. [2018-11-23 01:44:56,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 01:44:56,011 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:44:56,012 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, 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] [2018-11-23 01:44:56,012 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:44:56,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:44:56,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1266997046, now seen corresponding path program 1 times [2018-11-23 01:44:56,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:44:56,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:44:56,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:44:56,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:44:56,014 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:44:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:44:56,177 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:44:56,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:44:56,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:44:56,178 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:44:56,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:44:56,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:44:56,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:44:56,179 INFO L87 Difference]: Start difference. First operand 742 states and 1351 transitions. Second operand 6 states. [2018-11-23 01:44:58,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:44:58,293 INFO L93 Difference]: Finished difference Result 2177 states and 3990 transitions. [2018-11-23 01:44:58,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:44:58,298 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-11-23 01:44:58,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:44:58,306 INFO L225 Difference]: With dead ends: 2177 [2018-11-23 01:44:58,307 INFO L226 Difference]: Without dead ends: 1441 [2018-11-23 01:44:58,311 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:44:58,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2018-11-23 01:44:58,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1422. [2018-11-23 01:44:58,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1422 states. [2018-11-23 01:44:58,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 2264 transitions. [2018-11-23 01:44:58,356 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 2264 transitions. Word has length 161 [2018-11-23 01:44:58,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:44:58,356 INFO L480 AbstractCegarLoop]: Abstraction has 1422 states and 2264 transitions. [2018-11-23 01:44:58,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:44:58,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 2264 transitions. [2018-11-23 01:44:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-23 01:44:58,362 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:44:58,362 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:44:58,363 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:44:58,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:44:58,363 INFO L82 PathProgramCache]: Analyzing trace with hash 7693126, now seen corresponding path program 1 times [2018-11-23 01:44:58,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:44:58,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:44:58,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:44:58,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:44:58,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:44:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:44:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 124 proven. 88 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 01:44:58,544 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:44:58,544 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:44:58,544 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-11-23 01:44:58,546 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 01:44:58,582 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:44:58,583 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:44:58,930 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 01:44:58,931 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Performed 1038 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1038 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 01:44:58,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:44:58,942 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 01:44:59,326 INFO L227 lantSequenceWeakener]: Weakened 262 states. On average, predicates are now at 78.16% of their original sizes. [2018-11-23 01:44:59,326 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 01:44:59,374 INFO L415 sIntCurrentIteration]: We unified 270 AI predicates to 270 [2018-11-23 01:44:59,374 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 01:44:59,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:44:59,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 01:44:59,375 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:44:59,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:44:59,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:44:59,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:44:59,376 INFO L87 Difference]: Start difference. First operand 1422 states and 2264 transitions. Second operand 6 states. [2018-11-23 01:45:52,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:45:52,124 INFO L93 Difference]: Finished difference Result 3176 states and 5080 transitions. [2018-11-23 01:45:52,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:45:52,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 271 [2018-11-23 01:45:52,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:45:52,131 INFO L225 Difference]: With dead ends: 3176 [2018-11-23 01:45:52,131 INFO L226 Difference]: Without dead ends: 1760 [2018-11-23 01:45:52,134 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 271 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:45:52,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2018-11-23 01:45:52,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1759. [2018-11-23 01:45:52,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1759 states. [2018-11-23 01:45:52,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2608 transitions. [2018-11-23 01:45:52,170 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2608 transitions. Word has length 271 [2018-11-23 01:45:52,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:45:52,171 INFO L480 AbstractCegarLoop]: Abstraction has 1759 states and 2608 transitions. [2018-11-23 01:45:52,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:45:52,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2608 transitions. [2018-11-23 01:45:52,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-11-23 01:45:52,177 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:45:52,178 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, 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, 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] [2018-11-23 01:45:52,178 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:45:52,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:45:52,178 INFO L82 PathProgramCache]: Analyzing trace with hash -137738337, now seen corresponding path program 1 times [2018-11-23 01:45:52,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:45:52,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:45:52,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:45:52,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:45:52,180 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:45:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:45:52,396 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 191 proven. 197 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-23 01:45:52,396 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:45:52,396 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:45:52,396 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 363 with the following transitions: [2018-11-23 01:45:52,397 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [760], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 01:45:52,400 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:45:52,400 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:45:52,631 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:45:52,632 INFO L272 AbstractInterpreter]: Visited 120 different actions 346 times. Merged at 4 different actions 7 times. Never widened. Performed 3355 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3355 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 01:45:52,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:45:52,635 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:45:52,635 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:45:52,635 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:45:52,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:45:52,653 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:45:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:45:52,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:45:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 395 proven. 2 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-23 01:45:52,936 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:45:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 279 proven. 92 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 01:45:53,166 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:45:53,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 01:45:53,166 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:45:53,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:45:53,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:45:53,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:45:53,167 INFO L87 Difference]: Start difference. First operand 1759 states and 2608 transitions. Second operand 9 states. [2018-11-23 01:45:55,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:45:55,520 INFO L93 Difference]: Finished difference Result 4226 states and 6735 transitions. [2018-11-23 01:45:55,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:45:55,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 362 [2018-11-23 01:45:55,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:45:55,529 INFO L225 Difference]: With dead ends: 4226 [2018-11-23 01:45:55,529 INFO L226 Difference]: Without dead ends: 2810 [2018-11-23 01:45:55,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 723 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-11-23 01:45:55,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2018-11-23 01:45:55,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2804. [2018-11-23 01:45:55,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2804 states. [2018-11-23 01:45:55,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 4080 transitions. [2018-11-23 01:45:55,576 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 4080 transitions. Word has length 362 [2018-11-23 01:45:55,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:45:55,577 INFO L480 AbstractCegarLoop]: Abstraction has 2804 states and 4080 transitions. [2018-11-23 01:45:55,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:45:55,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4080 transitions. [2018-11-23 01:45:55,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2018-11-23 01:45:55,583 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:45:55,583 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, 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, 3, 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] [2018-11-23 01:45:55,584 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:45:55,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:45:55,584 INFO L82 PathProgramCache]: Analyzing trace with hash -2026001578, now seen corresponding path program 1 times [2018-11-23 01:45:55,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:45:55,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:45:55,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:45:55,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:45:55,585 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:45:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:45:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 345 proven. 200 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-23 01:45:55,770 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:45:55,770 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:45:55,770 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 478 with the following transitions: [2018-11-23 01:45:55,770 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [760], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 01:45:55,774 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:45:55,774 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:45:55,899 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:45:55,899 INFO L272 AbstractInterpreter]: Visited 126 different actions 364 times. Merged at 4 different actions 7 times. Never widened. Performed 3549 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3549 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 01:45:55,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:45:55,910 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:45:55,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:45:55,910 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:45:55,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:45:55,936 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:45:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:45:56,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:45:56,141 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 595 proven. 2 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-11-23 01:45:56,141 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:45:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 345 proven. 200 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-23 01:45:56,372 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:45:56,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 01:45:56,373 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:45:56,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:45:56,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:45:56,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:45:56,374 INFO L87 Difference]: Start difference. First operand 2804 states and 4080 transitions. Second operand 9 states. [2018-11-23 01:46:02,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:46:02,345 INFO L93 Difference]: Finished difference Result 11435 states and 17319 transitions. [2018-11-23 01:46:02,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-23 01:46:02,346 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 477 [2018-11-23 01:46:02,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:46:02,364 INFO L225 Difference]: With dead ends: 11435 [2018-11-23 01:46:02,365 INFO L226 Difference]: Without dead ends: 7293 [2018-11-23 01:46:02,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1035 GetRequests, 987 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=515, Invalid=1837, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 01:46:02,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7293 states. [2018-11-23 01:46:02,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7293 to 7000. [2018-11-23 01:46:02,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7000 states. [2018-11-23 01:46:02,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7000 states to 7000 states and 7935 transitions. [2018-11-23 01:46:02,507 INFO L78 Accepts]: Start accepts. Automaton has 7000 states and 7935 transitions. Word has length 477 [2018-11-23 01:46:02,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:46:02,508 INFO L480 AbstractCegarLoop]: Abstraction has 7000 states and 7935 transitions. [2018-11-23 01:46:02,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:46:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 7000 states and 7935 transitions. [2018-11-23 01:46:02,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2018-11-23 01:46:02,525 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:46:02,525 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:46:02,526 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:46:02,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:46:02,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1093006851, now seen corresponding path program 1 times [2018-11-23 01:46:02,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:46:02,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:46:02,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:46:02,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:46:02,527 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:46:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:46:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 360 proven. 345 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2018-11-23 01:46:03,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:46:03,303 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:46:03,303 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 749 with the following transitions: [2018-11-23 01:46:03,303 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [836], [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], [1256], [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] [2018-11-23 01:46:03,308 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:46:03,308 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:46:03,546 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 01:46:03,546 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 4 different actions 4 times. Never widened. Performed 5203 root evaluator evaluations with a maximum evaluation depth of 13. Performed 5203 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 01:46:03,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:46:03,558 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 01:46:04,133 INFO L227 lantSequenceWeakener]: Weakened 745 states. On average, predicates are now at 77.62% of their original sizes. [2018-11-23 01:46:04,133 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 01:46:04,224 INFO L415 sIntCurrentIteration]: We unified 747 AI predicates to 747 [2018-11-23 01:46:04,224 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 01:46:04,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:46:04,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-23 01:46:04,225 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:46:04,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 01:46:04,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 01:46:04,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:46:04,226 INFO L87 Difference]: Start difference. First operand 7000 states and 7935 transitions. Second operand 10 states. [2018-11-23 01:47:37,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:47:37,842 INFO L93 Difference]: Finished difference Result 13998 states and 15912 transitions. [2018-11-23 01:47:37,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 01:47:37,843 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 748 [2018-11-23 01:47:37,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:47:37,859 INFO L225 Difference]: With dead ends: 13998 [2018-11-23 01:47:37,860 INFO L226 Difference]: Without dead ends: 7341 [2018-11-23 01:47:37,872 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 755 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 01:47:37,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7341 states. [2018-11-23 01:47:38,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7341 to 7339. [2018-11-23 01:47:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7339 states. [2018-11-23 01:47:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7339 states to 7339 states and 8280 transitions. [2018-11-23 01:47:38,021 INFO L78 Accepts]: Start accepts. Automaton has 7339 states and 8280 transitions. Word has length 748 [2018-11-23 01:47:38,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:47:38,022 INFO L480 AbstractCegarLoop]: Abstraction has 7339 states and 8280 transitions. [2018-11-23 01:47:38,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 01:47:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand 7339 states and 8280 transitions. [2018-11-23 01:47:38,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 857 [2018-11-23 01:47:38,053 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:47:38,053 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 01:47:38,054 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:47:38,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:47:38,054 INFO L82 PathProgramCache]: Analyzing trace with hash -573729425, now seen corresponding path program 1 times [2018-11-23 01:47:38,054 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:47:38,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:47:38,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:47:38,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:47:38,055 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:47:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:47:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 328 proven. 807 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2018-11-23 01:47:38,684 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:47:38,685 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:47:38,685 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 857 with the following transitions: [2018-11-23 01:47:38,685 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [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], [1256], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 01:47:38,689 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:47:38,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:47:39,031 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 01:47:39,031 INFO L272 AbstractInterpreter]: Visited 258 different actions 768 times. Merged at 6 different actions 14 times. Never widened. Performed 9010 root evaluator evaluations with a maximum evaluation depth of 13. Performed 9010 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 01:47:39,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:47:39,042 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 01:47:39,583 INFO L227 lantSequenceWeakener]: Weakened 853 states. On average, predicates are now at 80.37% of their original sizes. [2018-11-23 01:47:39,583 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 01:47:39,651 INFO L415 sIntCurrentIteration]: We unified 855 AI predicates to 855 [2018-11-23 01:47:39,651 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 01:47:39,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:47:39,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 01:47:39,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:47:39,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 01:47:39,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 01:47:39,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:47:39,652 INFO L87 Difference]: Start difference. First operand 7339 states and 8280 transitions. Second operand 10 states. [2018-11-23 01:48:20,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:20,055 INFO L93 Difference]: Finished difference Result 15326 states and 17502 transitions. [2018-11-23 01:48:20,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 01:48:20,055 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 856 [2018-11-23 01:48:20,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:20,073 INFO L225 Difference]: With dead ends: 15326 [2018-11-23 01:48:20,073 INFO L226 Difference]: Without dead ends: 8669 [2018-11-23 01:48:20,083 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 866 GetRequests, 847 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 01:48:20,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8669 states. [2018-11-23 01:48:20,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8669 to 8614. [2018-11-23 01:48:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8614 states. [2018-11-23 01:48:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8614 states to 8614 states and 9633 transitions. [2018-11-23 01:48:20,188 INFO L78 Accepts]: Start accepts. Automaton has 8614 states and 9633 transitions. Word has length 856 [2018-11-23 01:48:20,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:20,189 INFO L480 AbstractCegarLoop]: Abstraction has 8614 states and 9633 transitions. [2018-11-23 01:48:20,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 01:48:20,189 INFO L276 IsEmpty]: Start isEmpty. Operand 8614 states and 9633 transitions. [2018-11-23 01:48:20,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2018-11-23 01:48:20,199 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:20,200 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, 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, 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, 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] [2018-11-23 01:48:20,200 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:20,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:20,200 INFO L82 PathProgramCache]: Analyzing trace with hash 2139229383, now seen corresponding path program 1 times [2018-11-23 01:48:20,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:20,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:20,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:20,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:20,201 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2422 backedges. 745 proven. 223 refuted. 0 times theorem prover too weak. 1454 trivial. 0 not checked. [2018-11-23 01:48:20,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:20,795 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:48:20,795 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1101 with the following transitions: [2018-11-23 01:48:20,795 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [836], [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], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 01:48:20,798 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:48:20,799 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:48:21,351 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:48:21,351 INFO L272 AbstractInterpreter]: Visited 252 different actions 1011 times. Merged at 10 different actions 35 times. Widened at 1 different actions 1 times. Performed 11858 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11858 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 01:48:21,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:21,357 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:48:21,358 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:21,358 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:48:21,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:21,364 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:48:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:21,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:48:21,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2422 backedges. 1709 proven. 2 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2018-11-23 01:48:21,830 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:48:22,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2422 backedges. 745 proven. 223 refuted. 0 times theorem prover too weak. 1454 trivial. 0 not checked. [2018-11-23 01:48:22,292 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:48:22,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 01:48:22,293 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:48:22,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:48:22,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:48:22,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:48:22,294 INFO L87 Difference]: Start difference. First operand 8614 states and 9633 transitions. Second operand 9 states. [2018-11-23 01:48:24,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:24,384 INFO L93 Difference]: Finished difference Result 22494 states and 27956 transitions. [2018-11-23 01:48:24,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 01:48:24,385 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1100 [2018-11-23 01:48:24,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:24,446 INFO L225 Difference]: With dead ends: 22494 [2018-11-23 01:48:24,446 INFO L226 Difference]: Without dead ends: 14562 [2018-11-23 01:48:24,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2221 GetRequests, 2203 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:48:24,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14562 states. [2018-11-23 01:48:24,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14562 to 14327. [2018-11-23 01:48:24,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14327 states. [2018-11-23 01:48:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14327 states to 14327 states and 17092 transitions. [2018-11-23 01:48:24,798 INFO L78 Accepts]: Start accepts. Automaton has 14327 states and 17092 transitions. Word has length 1100 [2018-11-23 01:48:24,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:24,799 INFO L480 AbstractCegarLoop]: Abstraction has 14327 states and 17092 transitions. [2018-11-23 01:48:24,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:48:24,799 INFO L276 IsEmpty]: Start isEmpty. Operand 14327 states and 17092 transitions. [2018-11-23 01:48:24,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1341 [2018-11-23 01:48:24,829 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:24,830 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, 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, 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, 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, 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] [2018-11-23 01:48:24,830 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:24,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:24,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1652301247, now seen corresponding path program 1 times [2018-11-23 01:48:24,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:24,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:24,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:24,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:24,832 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:26,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 2275 proven. 382 refuted. 0 times theorem prover too weak. 1280 trivial. 0 not checked. [2018-11-23 01:48:26,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:26,450 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:48:26,451 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1341 with the following transitions: [2018-11-23 01:48:26,451 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [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], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 01:48:26,453 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:48:26,453 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:48:27,004 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:48:27,004 INFO L272 AbstractInterpreter]: Visited 254 different actions 1025 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 12006 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12006 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 01:48:27,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:27,010 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:48:27,010 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:27,010 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:48:27,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:27,016 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:48:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:27,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:48:27,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-11-23 01:48:27,717 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:48:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-11-23 01:48:28,185 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:48:28,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-23 01:48:28,186 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:48:28,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:48:28,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:48:28,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:48:28,187 INFO L87 Difference]: Start difference. First operand 14327 states and 17092 transitions. Second operand 3 states. [2018-11-23 01:48:28,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:28,886 INFO L93 Difference]: Finished difference Result 28311 states and 33892 transitions. [2018-11-23 01:48:28,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:48:28,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1340 [2018-11-23 01:48:28,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:28,935 INFO L225 Difference]: With dead ends: 28311 [2018-11-23 01:48:28,936 INFO L226 Difference]: Without dead ends: 14327 [2018-11-23 01:48:28,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2691 GetRequests, 2682 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:48:28,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14327 states. [2018-11-23 01:48:29,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14327 to 14325. [2018-11-23 01:48:29,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14325 states. [2018-11-23 01:48:29,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14325 states to 14325 states and 16518 transitions. [2018-11-23 01:48:29,248 INFO L78 Accepts]: Start accepts. Automaton has 14325 states and 16518 transitions. Word has length 1340 [2018-11-23 01:48:29,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:29,249 INFO L480 AbstractCegarLoop]: Abstraction has 14325 states and 16518 transitions. [2018-11-23 01:48:29,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:48:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 14325 states and 16518 transitions. [2018-11-23 01:48:29,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1493 [2018-11-23 01:48:29,285 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:29,286 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, 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, 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, 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, 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] [2018-11-23 01:48:29,286 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:29,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:29,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1080315951, now seen corresponding path program 1 times [2018-11-23 01:48:29,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:29,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:29,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:29,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:29,287 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:30,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4153 backedges. 1133 proven. 2 refuted. 0 times theorem prover too weak. 3018 trivial. 0 not checked. [2018-11-23 01:48:30,628 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:30,628 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:48:30,628 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1493 with the following transitions: [2018-11-23 01:48:30,628 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [764], [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], [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], [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] [2018-11-23 01:48:30,631 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:48:30,631 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:48:31,320 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:48:31,320 INFO L272 AbstractInterpreter]: Visited 288 different actions 1161 times. Merged at 11 different actions 41 times. Widened at 1 different actions 1 times. Performed 13960 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13960 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 14 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 01:48:31,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:31,326 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:48:31,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:31,326 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/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 [2018-11-23 01:48:31,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:31,332 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:48:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:31,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:48:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4153 backedges. 1133 proven. 2 refuted. 0 times theorem prover too weak. 3018 trivial. 0 not checked. [2018-11-23 01:48:32,145 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:48:32,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4153 backedges. 1133 proven. 2 refuted. 0 times theorem prover too weak. 3018 trivial. 0 not checked. [2018-11-23 01:48:32,867 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:48:32,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 01:48:32,867 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:48:32,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:48:32,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:48:32,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:48:32,869 INFO L87 Difference]: Start difference. First operand 14325 states and 16518 transitions. Second operand 9 states. [2018-11-23 01:48:34,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:34,477 INFO L93 Difference]: Finished difference Result 28289 states and 32366 transitions. [2018-11-23 01:48:34,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 01:48:34,478 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1492 [2018-11-23 01:48:34,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:34,505 INFO L225 Difference]: With dead ends: 28289 [2018-11-23 01:48:34,505 INFO L226 Difference]: Without dead ends: 14646 [2018-11-23 01:48:34,544 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3001 GetRequests, 2985 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-23 01:48:34,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14646 states. [2018-11-23 01:48:34,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14646 to 14537. [2018-11-23 01:48:34,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14537 states. [2018-11-23 01:48:34,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14537 states to 14537 states and 15817 transitions. [2018-11-23 01:48:34,721 INFO L78 Accepts]: Start accepts. Automaton has 14537 states and 15817 transitions. Word has length 1492 [2018-11-23 01:48:34,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:34,722 INFO L480 AbstractCegarLoop]: Abstraction has 14537 states and 15817 transitions. [2018-11-23 01:48:34,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:48:34,722 INFO L276 IsEmpty]: Start isEmpty. Operand 14537 states and 15817 transitions. [2018-11-23 01:48:34,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1658 [2018-11-23 01:48:34,750 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:34,750 INFO L402 BasicCegarLoop]: trace histogram [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, 10, 10, 10, 10, 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, 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, 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, 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] [2018-11-23 01:48:34,750 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:34,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:34,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1864661142, now seen corresponding path program 1 times [2018-11-23 01:48:34,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:34,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:34,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:34,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:34,752 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:38,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 1432 proven. 507 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2018-11-23 01:48:38,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:38,368 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:48:38,368 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1658 with the following transitions: [2018-11-23 01:48:38,369 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [764], [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], [972], [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], [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], [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] [2018-11-23 01:48:38,371 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:48:38,371 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:48:39,076 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:48:39,076 INFO L272 AbstractInterpreter]: Visited 289 different actions 1162 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 13977 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13977 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-23 01:48:39,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:39,077 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:48:39,077 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:39,077 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/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 [2018-11-23 01:48:39,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:39,083 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:48:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:39,269 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:48:40,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 3607 proven. 2 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked. [2018-11-23 01:48:40,277 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:48:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 1432 proven. 507 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2018-11-23 01:48:42,476 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:48:42,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-23 01:48:42,477 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:48:42,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 01:48:42,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 01:48:42,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-11-23 01:48:42,479 INFO L87 Difference]: Start difference. First operand 14537 states and 15817 transitions. Second operand 14 states. [2018-11-23 01:48:47,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:47,568 INFO L93 Difference]: Finished difference Result 35031 states and 38389 transitions. [2018-11-23 01:48:47,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-23 01:48:47,568 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1657 [2018-11-23 01:48:47,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:47,604 INFO L225 Difference]: With dead ends: 35031 [2018-11-23 01:48:47,604 INFO L226 Difference]: Without dead ends: 21176 [2018-11-23 01:48:47,622 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3404 GetRequests, 3346 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 800 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=659, Invalid=2311, Unknown=0, NotChecked=0, Total=2970 [2018-11-23 01:48:47,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21176 states. [2018-11-23 01:48:47,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21176 to 19712. [2018-11-23 01:48:47,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19712 states. [2018-11-23 01:48:47,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19712 states to 19712 states and 21404 transitions. [2018-11-23 01:48:47,824 INFO L78 Accepts]: Start accepts. Automaton has 19712 states and 21404 transitions. Word has length 1657 [2018-11-23 01:48:47,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:47,825 INFO L480 AbstractCegarLoop]: Abstraction has 19712 states and 21404 transitions. [2018-11-23 01:48:47,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 01:48:47,825 INFO L276 IsEmpty]: Start isEmpty. Operand 19712 states and 21404 transitions. [2018-11-23 01:48:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1677 [2018-11-23 01:48:47,846 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:47,846 INFO L402 BasicCegarLoop]: trace histogram [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, 10, 10, 10, 10, 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, 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, 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, 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] [2018-11-23 01:48:47,846 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:47,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:47,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1186619182, now seen corresponding path program 1 times [2018-11-23 01:48:47,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:47,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:47,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:47,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:47,848 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5270 backedges. 3076 proven. 585 refuted. 0 times theorem prover too weak. 1609 trivial. 0 not checked. [2018-11-23 01:48:49,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:49,806 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:48:49,807 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1677 with the following transitions: [2018-11-23 01:48:49,807 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [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], [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] [2018-11-23 01:48:49,810 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:48:49,810 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:48:50,509 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:48:50,509 INFO L272 AbstractInterpreter]: Visited 352 different actions 1405 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 17332 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17332 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-23 01:48:50,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:50,511 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:48:50,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:50,511 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/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 [2018-11-23 01:48:50,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:50,517 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:48:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:50,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:48:51,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5270 backedges. 582 proven. 0 refuted. 0 times theorem prover too weak. 4688 trivial. 0 not checked. [2018-11-23 01:48:51,470 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:48:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 5270 backedges. 582 proven. 0 refuted. 0 times theorem prover too weak. 4688 trivial. 0 not checked. [2018-11-23 01:48:52,260 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:48:52,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-23 01:48:52,261 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:48:52,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:48:52,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:48:52,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:48:52,262 INFO L87 Difference]: Start difference. First operand 19712 states and 21404 transitions. Second operand 3 states. [2018-11-23 01:48:52,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:48:52,996 INFO L93 Difference]: Finished difference Result 36792 states and 40099 transitions. [2018-11-23 01:48:52,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:48:52,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1676 [2018-11-23 01:48:52,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:48:53,020 INFO L225 Difference]: With dead ends: 36792 [2018-11-23 01:48:53,020 INFO L226 Difference]: Without dead ends: 18052 [2018-11-23 01:48:53,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3367 GetRequests, 3358 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:48:53,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18052 states. [2018-11-23 01:48:53,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18052 to 17860. [2018-11-23 01:48:53,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17860 states. [2018-11-23 01:48:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17860 states to 17860 states and 19071 transitions. [2018-11-23 01:48:53,203 INFO L78 Accepts]: Start accepts. Automaton has 17860 states and 19071 transitions. Word has length 1676 [2018-11-23 01:48:53,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:48:53,204 INFO L480 AbstractCegarLoop]: Abstraction has 17860 states and 19071 transitions. [2018-11-23 01:48:53,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:48:53,204 INFO L276 IsEmpty]: Start isEmpty. Operand 17860 states and 19071 transitions. [2018-11-23 01:48:53,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1818 [2018-11-23 01:48:53,230 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:48:53,230 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, 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, 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, 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, 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, 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] [2018-11-23 01:48:53,230 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:48:53,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:53,231 INFO L82 PathProgramCache]: Analyzing trace with hash -584662594, now seen corresponding path program 1 times [2018-11-23 01:48:53,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:48:53,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:53,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:53,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:48:53,231 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:48:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6543 backedges. 2938 proven. 1187 refuted. 0 times theorem prover too weak. 2418 trivial. 0 not checked. [2018-11-23 01:48:56,506 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:56,506 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:48:56,507 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1818 with the following transitions: [2018-11-23 01:48:56,507 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [764], [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], [1148], [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], [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] [2018-11-23 01:48:56,510 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:48:56,510 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:48:57,266 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:48:57,266 INFO L272 AbstractInterpreter]: Visited 290 different actions 1165 times. Merged at 12 different actions 37 times. Never widened. Performed 13971 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13971 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-23 01:48:57,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:48:57,268 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:48:57,268 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:48:57,268 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/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 [2018-11-23 01:48:57,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:48:57,275 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:48:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:48:57,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:48:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6543 backedges. 3581 proven. 2 refuted. 0 times theorem prover too weak. 2960 trivial. 0 not checked. [2018-11-23 01:48:58,432 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:48:59,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6543 backedges. 1910 proven. 255 refuted. 0 times theorem prover too weak. 4378 trivial. 0 not checked. [2018-11-23 01:48:59,882 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:48:59,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2018-11-23 01:48:59,882 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:48:59,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 01:48:59,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 01:48:59,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:48:59,884 INFO L87 Difference]: Start difference. First operand 17860 states and 19071 transitions. Second operand 18 states. [2018-11-23 01:49:05,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:49:05,815 INFO L93 Difference]: Finished difference Result 34462 states and 36982 transitions. [2018-11-23 01:49:05,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-11-23 01:49:05,815 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1817 [2018-11-23 01:49:05,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:49:05,836 INFO L225 Difference]: With dead ends: 34462 [2018-11-23 01:49:05,836 INFO L226 Difference]: Without dead ends: 17574 [2018-11-23 01:49:05,853 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3750 GetRequests, 3672 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1776 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1053, Invalid=4647, Unknown=0, NotChecked=0, Total=5700 [2018-11-23 01:49:05,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17574 states. [2018-11-23 01:49:05,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17574 to 16987. [2018-11-23 01:49:05,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16987 states. [2018-11-23 01:49:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16987 states to 16987 states and 17979 transitions. [2018-11-23 01:49:06,002 INFO L78 Accepts]: Start accepts. Automaton has 16987 states and 17979 transitions. Word has length 1817 [2018-11-23 01:49:06,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:49:06,002 INFO L480 AbstractCegarLoop]: Abstraction has 16987 states and 17979 transitions. [2018-11-23 01:49:06,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 01:49:06,003 INFO L276 IsEmpty]: Start isEmpty. Operand 16987 states and 17979 transitions. [2018-11-23 01:49:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1850 [2018-11-23 01:49:06,023 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:49:06,023 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-23 01:49:06,023 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:49:06,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:49:06,024 INFO L82 PathProgramCache]: Analyzing trace with hash 793998594, now seen corresponding path program 1 times [2018-11-23 01:49:06,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:49:06,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:49:06,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:49:06,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:49:06,025 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:49:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:49:09,761 INFO L134 CoverageAnalysis]: Checked inductivity of 7545 backedges. 3495 proven. 1613 refuted. 0 times theorem prover too weak. 2437 trivial. 0 not checked. [2018-11-23 01:49:09,762 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:49:09,762 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:49:09,762 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1850 with the following transitions: [2018-11-23 01:49:09,762 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [764], [765], [769], [773], [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], [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], [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], [1404], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 01:49:09,765 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:49:09,765 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:49:10,339 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:49:10,339 INFO L272 AbstractInterpreter]: Visited 270 different actions 1084 times. Merged at 12 different actions 36 times. Never widened. Performed 12847 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12847 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 17 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-23 01:49:10,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:49:10,342 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:49:10,342 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:49:10,342 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/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 [2018-11-23 01:49:10,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:49:10,349 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:49:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:49:10,551 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:49:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 7545 backedges. 5304 proven. 6 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2018-11-23 01:49:11,581 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:49:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 7545 backedges. 1919 proven. 1030 refuted. 0 times theorem prover too weak. 4596 trivial. 0 not checked. [2018-11-23 01:49:13,363 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:49:13,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8, 8] total 29 [2018-11-23 01:49:13,363 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:49:13,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-23 01:49:13,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-23 01:49:13,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2018-11-23 01:49:13,365 INFO L87 Difference]: Start difference. First operand 16987 states and 17979 transitions. Second operand 24 states. [2018-11-23 01:49:30,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:49:30,416 INFO L93 Difference]: Finished difference Result 35410 states and 38673 transitions. [2018-11-23 01:49:30,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-11-23 01:49:30,417 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1849 [2018-11-23 01:49:30,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:49:30,450 INFO L225 Difference]: With dead ends: 35410 [2018-11-23 01:49:30,450 INFO L226 Difference]: Without dead ends: 19395 [2018-11-23 01:49:30,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3924 GetRequests, 3778 SyntacticMatches, 3 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7371 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=2939, Invalid=17941, Unknown=0, NotChecked=0, Total=20880 [2018-11-23 01:49:30,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19395 states. [2018-11-23 01:49:30,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19395 to 18242. [2018-11-23 01:49:30,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18242 states. [2018-11-23 01:49:30,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18242 states to 18242 states and 19213 transitions. [2018-11-23 01:49:30,659 INFO L78 Accepts]: Start accepts. Automaton has 18242 states and 19213 transitions. Word has length 1849 [2018-11-23 01:49:30,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:49:30,660 INFO L480 AbstractCegarLoop]: Abstraction has 18242 states and 19213 transitions. [2018-11-23 01:49:30,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-23 01:49:30,660 INFO L276 IsEmpty]: Start isEmpty. Operand 18242 states and 19213 transitions. [2018-11-23 01:49:30,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1889 [2018-11-23 01:49:30,677 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:49:30,677 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 11, 11, 11, 11, 11, 11, 11, 10, 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, 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, 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, 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, 1] [2018-11-23 01:49:30,677 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:49:30,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:49:30,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1870495031, now seen corresponding path program 1 times [2018-11-23 01:49:30,678 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:49:30,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:49:30,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:49:30,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:49:30,678 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:49:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:49:31,844 INFO L134 CoverageAnalysis]: Checked inductivity of 7314 backedges. 712 proven. 0 refuted. 0 times theorem prover too weak. 6602 trivial. 0 not checked. [2018-11-23 01:49:31,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:49:31,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:49:31,844 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:49:31,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:49:31,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:49:31,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:49:31,845 INFO L87 Difference]: Start difference. First operand 18242 states and 19213 transitions. Second operand 4 states. [2018-11-23 01:49:32,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:49:32,888 INFO L93 Difference]: Finished difference Result 54805 states and 58452 transitions. [2018-11-23 01:49:32,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:49:32,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1888 [2018-11-23 01:49:32,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:49:32,890 INFO L225 Difference]: With dead ends: 54805 [2018-11-23 01:49:32,890 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:49:32,945 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:49:32,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:49:32,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:49:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:49:32,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:49:32,947 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1888 [2018-11-23 01:49:32,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:49:32,948 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:49:32,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:49:32,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:49:32,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:49:32,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:49:32,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:33,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,634 WARN L180 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 637 DAG size of output: 590 [2018-11-23 01:49:35,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:35,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:36,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:37,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:49:39,225 WARN L180 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 660 DAG size of output: 614 [2018-11-23 01:49:44,710 WARN L180 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 591 DAG size of output: 66 [2018-11-23 01:49:46,042 WARN L180 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 317 DAG size of output: 95 [2018-11-23 01:49:47,538 WARN L180 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 388 DAG size of output: 97 [2018-11-23 01:49:50,212 WARN L180 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 425 DAG size of output: 127 [2018-11-23 01:49:55,997 WARN L180 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 618 DAG size of output: 66 [2018-11-23 01:49:55,998 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:49:55,998 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)) [2018-11-23 01:49:55,998 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-23 01:49:55,999 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse12 (= |old(~a16~0)| ~a16~0)) (.cse13 (<= ~a18~0 |old(~a18~0)|)) (.cse14 (= |old(~a15~0)| ~a15~0)) (.cse15 (= |old(~a12~0)| ~a12~0)) (.cse1 (< 3 |old(~a15~0)|)) (.cse2 (= 9 |old(~a16~0)|)) (.cse19 (not (= 8 |old(~a12~0)|)))) (let ((.cse8 (not (= 8 |old(~a16~0)|))) (.cse9 (< |old(~a12~0)| 6)) (.cse21 (or .cse1 .cse2 .cse19)) (.cse10 (<= (+ |old(~a18~0)| 79) 0)) (.cse11 (< 0 (+ ~a18~0 79))) (.cse18 (not (= 6 |old(~a12~0)|))) (.cse4 (< |old(~a18~0)| 7)) (.cse16 (<= 7 ~a18~0)) (.cse22 (not (= 7 |old(~a12~0)|))) (.cse20 (not .cse2)) (.cse23 (not (= 3 |old(~a15~0)|))) (.cse24 (not (= (+ |old(~a18~0)| 87) 0))) (.cse25 (not (= 11 |old(~a16~0)|))) (.cse26 (= (+ ~a18~0 87) 0)) (.cse7 (not (= 4 |old(~a15~0)|))) (.cse17 (< 6 |old(~a12~0)|)) (.cse5 (and .cse13 .cse14 (= ~a16~0 |old(~a16~0)|) .cse15)) (.cse0 (and .cse12 .cse13 .cse14 .cse15)) (.cse6 (< 5 |old(~a12~0)|)) (.cse3 (= 10 |old(~a16~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (or .cse1 .cse6)) (or .cse7 .cse3 .cse0) (or .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse1 .cse10 .cse3 (and .cse12 .cse13 .cse14 .cse15 .cse11)) (or .cse7 .cse16 .cse8 .cse4) (or .cse17 .cse1 .cse4 .cse16) (or .cse16 .cse7 .cse17 .cse2 .cse4) (or .cse17 .cse5 .cse1 .cse2 .cse9) (or .cse1 .cse11 .cse10 .cse18) (or .cse7 .cse19 .cse10 .cse11 .cse20) (or .cse4 .cse21 .cse16) (or (or .cse1 .cse19) .cse0) (or .cse1 .cse4 .cse3 .cse16) (or .cse7 .cse10 .cse18 .cse11 .cse20) (or .cse11 .cse7 .cse22 .cse10 .cse20) (or .cse21 .cse10 .cse11) (or (or .cse23 .cse24 .cse25) .cse26 .cse18) (or .cse7 .cse4 .cse22 .cse16 .cse20) (or .cse1 .cse22 .cse5 .cse20) (or .cse23 (not (= 5 |old(~a12~0)|)) .cse24 .cse25 .cse26) (or .cse7 .cse17 .cse5) (or .cse0 (or .cse1 .cse6 .cse3))))) [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,000 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 01:49:56,001 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse23 (<= ~a18~0 |old(~a18~0)|)) (.cse29 (= ~a16~0 |old(~a16~0)|)) (.cse25 (= |old(~a12~0)| ~a12~0)) (.cse33 (<= ~a12~0 |old(~a12~0)|)) (.cse28 (= 8 ~a16~0)) (.cse22 (= |old(~a16~0)| ~a16~0)) (.cse34 (<= ~a15~0 3)) (.cse24 (= |old(~a15~0)| ~a15~0)) (.cse18 (= 9 |old(~a16~0)|))) (let ((.cse13 (not (= calculate_output_~input 0))) (.cse7 (< |old(~a12~0)| 6)) (.cse5 (< 6 |old(~a12~0)|)) (.cse14 (<= ~a18~0 134)) (.cse1 (< 0 (+ ~a18~0 79))) (.cse3 (<= (+ |old(~a18~0)| 79) 0)) (.cse4 (not .cse18)) (.cse17 (not (= 8 |old(~a16~0)|))) (.cse21 (not (= 7 |old(~a12~0)|))) (.cse15 (not (= 6 |old(~a12~0)|))) (.cse0 (not (= 4 |old(~a15~0)|))) (.cse20 (< |old(~a18~0)| 7)) (.cse19 (<= 7 ~a18~0)) (.cse8 (and .cse33 .cse28 .cse22 .cse34 .cse24)) (.cse2 (not (= 8 |old(~a12~0)|))) (.cse16 (and .cse23 .cse24 .cse29 .cse25)) (.cse10 (not (= 3 |old(~a15~0)|))) (.cse11 (not (= 5 |old(~a12~0)|))) (.cse32 (= (+ ~a18~0 87) 0)) (.cse12 (not (= 11 |old(~a16~0)|))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse31 (not (= (+ |old(~a18~0)| 87) 0))) (.cse6 (< 3 |old(~a15~0)|)) (.cse26 (< 5 |old(~a12~0)|)) (.cse30 (= 10 |old(~a16~0)|)) (.cse27 (and .cse33 .cse28 .cse22 (<= ~a12~0 5) .cse34 .cse24))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse3 .cse1) (or .cse9 (or .cse10 .cse11 .cse12) .cse13) (or .cse10 .cse7 .cse13 .cse12 .cse9) (or .cse0 (and (or (< 134 ~a18~0) (not (= calculate_output_~input 1))) (or (not (= calculate_output_~input 6)) .cse14)) .cse15 .cse4) (or .cse6 .cse8 .cse2 .cse3 .cse1) (or .cse0 .cse5 .cse16) (or .cse0 .cse17 .cse1 .cse7 .cse3) (or .cse6 .cse18 .cse8 .cse5 .cse16 .cse7) (or .cse0 .cse19 .cse20 .cse21 .cse4) (or .cse6 (and .cse22 .cse23 .cse24 .cse25) .cse20 .cse26 .cse27) (or .cse5 .cse6 .cse20 .cse8 .cse19) (or .cse0 .cse5 .cse18 .cse20 (and (or (not (= calculate_output_~input 3)) (not (= 6 ~a12~0)) .cse14 (not .cse28)) .cse19)) (or (and .cse23 .cse24 .cse1 .cse29 .cse25) .cse6 .cse8 .cse3 .cse30) (or .cse0 .cse1 .cse3 .cse15 .cse4) (or .cse0 .cse1 .cse21 .cse3 .cse4) (or .cse0 .cse17 .cse19 .cse20) (or .cse6 .cse16 .cse8 .cse21 .cse30) (or .cse9 (or .cse10 .cse12) .cse31 .cse32 .cse15) (or .cse0 .cse16 .cse30) (or .cse16 .cse6 .cse18 .cse8 .cse30) (or .cse6 .cse20 .cse8 .cse2 .cse19) (or .cse6 .cse20 .cse8 .cse30 .cse19) (or .cse6 .cse8 .cse2 .cse16) (or .cse10 .cse11 .cse32 .cse12 .cse9 .cse31) (or .cse6 (and .cse23 .cse22 .cse24 .cse25) .cse26 .cse30 .cse27)))) [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 01:49:56,002 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,003 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,004 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,005 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,006 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,007 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,008 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,009 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,010 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,010 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse2 (= 9 |old(~a16~0)|)) (.cse13 (= |old(~a16~0)| ~a16~0)) (.cse14 (<= ~a18~0 |old(~a18~0)|)) (.cse15 (= |old(~a15~0)| ~a15~0)) (.cse16 (= |old(~a12~0)| ~a12~0))) (let ((.cse7 (not (= 8 |old(~a16~0)|))) (.cse0 (and .cse13 .cse14 .cse15 .cse16)) (.cse3 (= 10 |old(~a16~0)|)) (.cse22 (= |calculate_output_#in~input| 0)) (.cse20 (not (= 3 |old(~a15~0)|))) (.cse21 (not (= 11 |old(~a16~0)|))) (.cse23 (not (= (+ |old(~a18~0)| 87) 0))) (.cse24 (= (+ ~a18~0 87) 0)) (.cse26 (not (= 6 |old(~a12~0)|))) (.cse25 (< 5 |old(~a12~0)|)) (.cse5 (not (= 7 |old(~a12~0)|))) (.cse19 (not .cse2)) (.cse8 (< |old(~a12~0)| 6)) (.cse9 (<= (+ |old(~a18~0)| 79) 0)) (.cse10 (< 0 (+ ~a18~0 79))) (.cse6 (not (= 4 |old(~a15~0)|))) (.cse17 (< 6 |old(~a12~0)|)) (.cse4 (and .cse14 .cse15 (= ~a16~0 |old(~a16~0)|) .cse16)) (.cse1 (< 3 |old(~a15~0)|)) (.cse12 (< |old(~a18~0)| 7)) (.cse18 (not (= 8 |old(~a12~0)|))) (.cse11 (<= 7 ~a18~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse3 .cse0) (or .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse6 .cse11 .cse7 .cse12) (or .cse11 .cse1 .cse12 .cse3) (or .cse1 .cse9 .cse3 (and .cse13 .cse14 .cse15 .cse16 .cse10)) (or .cse17 .cse1 .cse12 .cse11) (or .cse11 .cse6 .cse17 .cse2 .cse12) (or .cse17 .cse4 .cse1 .cse2 .cse8) (or .cse6 .cse18 .cse9 .cse10 .cse19) (or .cse1 .cse0 .cse18) (or .cse20 (not (= 5 |old(~a12~0)|)) .cse21 .cse22 .cse23 .cse24) (or .cse1 .cse4 .cse25 .cse3) (or .cse6 .cse9 .cse26 .cse10 .cse19) (or .cse22 (or .cse20 .cse21) .cse23 .cse24 .cse26) (or .cse10 .cse6 .cse5 .cse9 .cse19) (or .cse10 .cse1 .cse18 .cse9) (or .cse1 .cse4 .cse12 .cse25) (or .cse6 .cse12 .cse5 .cse11 .cse19) (or .cse17 .cse1 .cse8 .cse9 .cse10) (or .cse6 .cse17 .cse4) (or .cse1 .cse12 .cse18 .cse11)))) [2018-11-23 01:49:56,010 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,010 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,010 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,010 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,010 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,010 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,011 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,012 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,013 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,014 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,015 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,016 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,017 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 01:49:56,018 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 01:49:56,019 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,020 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,021 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,022 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,023 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 01:49:56,023 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 01:49:56,023 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 01:49:56,023 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 01:49:56,023 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,023 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,023 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-23 01:49:56,023 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:49:56,023 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-23 01:49:56,023 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:49:56,023 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:49:56,023 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 (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|)) (and (= (+ ~a18~0 87) 0) (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0))) [2018-11-23 01:49:56,023 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 01:49:56,024 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse6 (<= ~a12~0 6)) (.cse7 (<= 6 ~a12~0)) (.cse2 (= 4 ~a15~0)) (.cse3 (or (= |old(~a16~0)| 12) (not (= 12 ~a16~0)))) (.cse4 (<= ~a12~0 5)) (.cse0 (not (= ~a16~0 10))) (.cse5 (not (= ~a16~0 9))) (.cse1 (<= ~a15~0 3))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and .cse0 (= 7 ~a12~0) .cse1) (and (and .cse0 .cse1) (< 0 (+ ~a18~0 79))) (and .cse2 (or (= ~a12~0 |old(~a12~0)|) (<= ~a18~0 134)) .cse3 .cse4) (and (= 8 ~a12~0) .cse1) (and (and .cse4 .cse1) (<= 7 ~a18~0)) (and .cse5 .cse6 .cse1 .cse7) (and .cse2 .cse6 .cse3 .cse7) (and .cse0 .cse2 .cse3 .cse7) (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (and .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse4 .cse1) (and .cse0 .cse5 .cse1))) [2018-11-23 01:49:56,024 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-23 01:49:56,024 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-23 01:49:56,024 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse6 (<= ~a12~0 6)) (.cse7 (<= 6 ~a12~0)) (.cse2 (= 4 ~a15~0)) (.cse3 (or (= |old(~a16~0)| 12) (not (= 12 ~a16~0)))) (.cse4 (<= ~a12~0 5)) (.cse0 (not (= ~a16~0 10))) (.cse5 (not (= ~a16~0 9))) (.cse1 (<= ~a15~0 3))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and .cse0 (= 7 ~a12~0) .cse1) (and (and .cse0 .cse1) (< 0 (+ ~a18~0 79))) (and .cse2 (or (= ~a12~0 |old(~a12~0)|) (<= ~a18~0 134)) .cse3 .cse4) (and (= 8 ~a12~0) .cse1) (and (and .cse4 .cse1) (<= 7 ~a18~0)) (and .cse5 .cse6 .cse1 .cse7) (and .cse2 .cse6 .cse3 .cse7) (and .cse0 .cse2 .cse3 .cse7) (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (and .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse4 .cse1) (and .cse0 .cse5 .cse1))) [2018-11-23 01:49:56,024 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 01:49:56,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:49:56 BoogieIcfgContainer [2018-11-23 01:49:56,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:49:56,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:49:56,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:49:56,038 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:49:56,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:52" (3/4) ... [2018-11-23 01:49:56,042 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:49:56,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:49:56,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 01:49:56,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 01:49:56,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:49:56,070 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 01:49:56,071 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 01:49:56,093 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || ((!(a16 == 10) && 7 == a12) && a15 <= 3)) || ((!(a16 == 10) && a15 <= 3) && 0 < a18 + 79)) || (((4 == a15 && (a12 == \old(a12) || a18 <= 134)) && (\old(a16) == 12 || !(12 == a16))) && a12 <= 5)) || (8 == a12 && a15 <= 3)) || ((a12 <= 5 && a15 <= 3) && 7 <= a18)) || (((!(a16 == 9) && a12 <= 6) && a15 <= 3) && 6 <= a12)) || (((4 == a15 && a12 <= 6) && (\old(a16) == 12 || !(12 == a16))) && 6 <= a12)) || (((!(a16 == 10) && 4 == a15) && (\old(a16) == 12 || !(12 == a16))) && 6 <= a12)) || !(3 == \old(a15))) || !(5 == \old(a12))) || (((4 == a15 && !(a16 == 9)) && (\old(a16) == 12 || !(12 == a16))) && a12 <= 5)) || ((!(a16 == 10) && a12 <= 5) && a15 <= 3)) || ((!(a16 == 10) && !(a16 == 9)) && a15 <= 3) [2018-11-23 01:49:56,233 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c068b5f-0053-4abb-b3eb-3ba2305f3575/bin-2019/utaipan/witness.graphml [2018-11-23 01:49:56,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:49:56,234 INFO L168 Benchmark]: Toolchain (without parser) took 306224.85 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 951.2 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-11-23 01:49:56,235 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:49:56,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 872.3 MB in the end (delta: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:49:56,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 872.3 MB in the beginning and 1.1 GB in the end (delta: -268.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:49:56,235 INFO L168 Benchmark]: Boogie Preprocessor took 73.55 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:49:56,237 INFO L168 Benchmark]: RCFGBuilder took 1630.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 885.5 MB in the end (delta: 246.0 MB). Peak memory consumption was 246.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:49:56,237 INFO L168 Benchmark]: TraceAbstraction took 303633.39 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 885.5 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-11-23 01:49:56,238 INFO L168 Benchmark]: Witness Printer took 195.36 ms. Allocated memory is still 5.0 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 11.3 kB). Peak memory consumption was 11.3 kB. Max. memory is 11.5 GB. [2018-11-23 01:49:56,239 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 585.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 872.3 MB in the end (delta: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 872.3 MB in the beginning and 1.1 GB in the end (delta: -268.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.55 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1630.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 885.5 MB in the end (delta: 246.0 MB). Peak memory consumption was 246.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 303633.39 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 885.5 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. * Witness Printer took 195.36 ms. Allocated memory is still 5.0 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 11.3 kB). Peak memory consumption was 11.3 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: 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 Derived loop invariant: (((((((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || ((!(a16 == 10) && 7 == a12) && a15 <= 3)) || ((!(a16 == 10) && a15 <= 3) && 0 < a18 + 79)) || (((4 == a15 && (a12 == \old(a12) || a18 <= 134)) && (\old(a16) == 12 || !(12 == a16))) && a12 <= 5)) || (8 == a12 && a15 <= 3)) || ((a12 <= 5 && a15 <= 3) && 7 <= a18)) || (((!(a16 == 9) && a12 <= 6) && a15 <= 3) && 6 <= a12)) || (((4 == a15 && a12 <= 6) && (\old(a16) == 12 || !(12 == a16))) && 6 <= a12)) || (((!(a16 == 10) && 4 == a15) && (\old(a16) == 12 || !(12 == a16))) && 6 <= a12)) || !(3 == \old(a15))) || !(5 == \old(a12))) || (((4 == a15 && !(a16 == 9)) && (\old(a16) == 12 || !(12 == a16))) && a12 <= 5)) || ((!(a16 == 10) && a12 <= 5) && a15 <= 3)) || ((!(a16 == 10) && !(a16 == 9)) && a15 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 303.5s OverallTime, 15 OverallIterations, 12 TraceHistogramMax, 235.3s AutomataDifference, 0.0s DeadEndRemovalTime, 23.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3336 SDtfs, 36945 SDslu, 4568 SDs, 0 SdLazy, 86963 SolverSat, 8950 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 207.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 26043 GetRequests, 25593 SyntacticMatches, 26 SemanticMatches, 424 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10870 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19712occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.9s AbstIntTime, 12 AbstIntIterations, 3 AbstIntStrong, 0.9981368279995291 AbsIntWeakeningRatio, 0.057692307692307696 AbsIntAvgWeakeningVarsNumRemoved, 16.156517094017094 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 4118 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2293 PreInvPairs, 5551 NumberOfFragments, 2277 HoareAnnotationTreeSize, 2293 FomulaSimplifications, 252276 FormulaSimplificationTreeSizeReduction, 6.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 220697 FormulaSimplificationTreeSizeReductionInter, 16.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 18.2s InterpolantComputationTime, 27533 NumberOfCodeBlocks, 27533 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 39270 ConstructedInterpolants, 0 QuantifiedInterpolants, 179952197 SizeOfPredicates, 10 NumberOfNonLiveVariables, 15428 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 33 InterpolantComputations, 7 PerfectInterpolantSequences, 110999/119462 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...