./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label45_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_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/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 b47e6efaac96dd68fdf2e956514ab24129d0709d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:31:36,389 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:31:36,391 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:31:36,397 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:31:36,397 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:31:36,398 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:31:36,399 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:31:36,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:31:36,401 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:31:36,402 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:31:36,402 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:31:36,402 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:31:36,403 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:31:36,403 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:31:36,404 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:31:36,405 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:31:36,405 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:31:36,406 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:31:36,407 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:31:36,408 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:31:36,409 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:31:36,410 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:31:36,411 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:31:36,412 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:31:36,412 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:31:36,412 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:31:36,413 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:31:36,413 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:31:36,414 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:31:36,414 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:31:36,414 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:31:36,415 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:31:36,415 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:31:36,415 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:31:36,415 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:31:36,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:31:36,416 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 14:31:36,428 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:31:36,428 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:31:36,429 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:31:36,429 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:31:36,429 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 14:31:36,429 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 14:31:36,430 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 14:31:36,430 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 14:31:36,430 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 14:31:36,430 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 14:31:36,430 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 14:31:36,430 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 14:31:36,430 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 14:31:36,431 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:31:36,431 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:31:36,431 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:31:36,431 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:31:36,431 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:31:36,431 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:31:36,432 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:31:36,432 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:31:36,432 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:31:36,432 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:31:36,434 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:31:36,434 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:31:36,434 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:31:36,434 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:31:36,434 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:31:36,435 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:31:36,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:31:36,435 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:31:36,435 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:31:36,435 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:31:36,435 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 14:31:36,435 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:31:36,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:31:36,436 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 14:31:36,436 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_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/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 -> b47e6efaac96dd68fdf2e956514ab24129d0709d [2018-11-23 14:31:36,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:31:36,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:31:36,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:31:36,471 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:31:36,471 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:31:36,472 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c [2018-11-23 14:31:36,515 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/bin-2019/utaipan/data/e928da3ee/82c3af9601c94e3a90d910359be51798/FLAGc66bdf489 [2018-11-23 14:31:37,026 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:31:37,027 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c [2018-11-23 14:31:37,039 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/bin-2019/utaipan/data/e928da3ee/82c3af9601c94e3a90d910359be51798/FLAGc66bdf489 [2018-11-23 14:31:37,492 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/bin-2019/utaipan/data/e928da3ee/82c3af9601c94e3a90d910359be51798 [2018-11-23 14:31:37,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:31:37,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:31:37,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:31:37,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:31:37,498 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:31:37,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:31:37" (1/1) ... [2018-11-23 14:31:37,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22877cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:37, skipping insertion in model container [2018-11-23 14:31:37,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:31:37" (1/1) ... [2018-11-23 14:31:37,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:31:37,549 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:31:37,933 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:31:37,936 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:31:38,192 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:31:38,206 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:31:38,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:38 WrapperNode [2018-11-23 14:31:38,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:31:38,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:31:38,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:31:38,207 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:31:38,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:38" (1/1) ... [2018-11-23 14:31:38,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:38" (1/1) ... [2018-11-23 14:31:38,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:31:38,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:31:38,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:31:38,242 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:31:38,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:38" (1/1) ... [2018-11-23 14:31:38,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:38" (1/1) ... [2018-11-23 14:31:38,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:38" (1/1) ... [2018-11-23 14:31:38,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:38" (1/1) ... [2018-11-23 14:31:38,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:38" (1/1) ... [2018-11-23 14:31:38,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:38" (1/1) ... [2018-11-23 14:31:38,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:38" (1/1) ... [2018-11-23 14:31:38,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:31:38,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:31:38,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:31:38,323 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:31:38,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/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 14:31:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 14:31:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:31:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:31:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 14:31:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 14:31:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 14:31:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 14:31:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:31:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:31:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:31:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:31:39,880 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:31:39,881 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 14:31:39,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:39 BoogieIcfgContainer [2018-11-23 14:31:39,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:31:39,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:31:39,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:31:39,884 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:31:39,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:31:37" (1/3) ... [2018-11-23 14:31:39,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a067ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:31:39, skipping insertion in model container [2018-11-23 14:31:39,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:38" (2/3) ... [2018-11-23 14:31:39,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a067ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:31:39, skipping insertion in model container [2018-11-23 14:31:39,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:39" (3/3) ... [2018-11-23 14:31:39,887 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label45_true-unreach-call.c [2018-11-23 14:31:39,893 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:31:39,900 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:31:39,910 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:31:39,935 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:31:39,935 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:31:39,935 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:31:39,935 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:31:39,935 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:31:39,936 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:31:39,936 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:31:39,936 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:31:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-23 14:31:39,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 14:31:39,960 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:31:39,961 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] [2018-11-23 14:31:39,963 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:31:39,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:31:39,967 INFO L82 PathProgramCache]: Analyzing trace with hash -157468318, now seen corresponding path program 1 times [2018-11-23 14:31:39,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:31:39,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:31:39,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:31:39,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:31:39,999 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:31:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:31:40,177 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 14:31:40,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:31:40,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 14:31:40,179 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:31:40,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 14:31:40,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 14:31:40,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:31:40,192 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 4 states. [2018-11-23 14:31:42,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:31:42,127 INFO L93 Difference]: Finished difference Result 1509 states and 2834 transitions. [2018-11-23 14:31:42,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:31:42,129 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-11-23 14:31:42,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:31:42,143 INFO L225 Difference]: With dead ends: 1509 [2018-11-23 14:31:42,144 INFO L226 Difference]: Without dead ends: 1094 [2018-11-23 14:31:42,148 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 14:31:42,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2018-11-23 14:31:42,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 742. [2018-11-23 14:31:42,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-23 14:31:42,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1299 transitions. [2018-11-23 14:31:42,217 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1299 transitions. Word has length 59 [2018-11-23 14:31:42,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:31:42,218 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1299 transitions. [2018-11-23 14:31:42,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 14:31:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1299 transitions. [2018-11-23 14:31:42,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 14:31:42,222 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:31:42,223 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, 1, 1, 1, 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 14:31:42,223 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:31:42,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:31:42,223 INFO L82 PathProgramCache]: Analyzing trace with hash -918606014, now seen corresponding path program 1 times [2018-11-23 14:31:42,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:31:42,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:31:42,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:31:42,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:31:42,225 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:31:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:31:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:31:42,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:31:42,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:31:42,377 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:31:42,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:31:42,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:31:42,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:31:42,380 INFO L87 Difference]: Start difference. First operand 742 states and 1299 transitions. Second operand 6 states. [2018-11-23 14:31:44,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:31:44,061 INFO L93 Difference]: Finished difference Result 2188 states and 3916 transitions. [2018-11-23 14:31:44,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:31:44,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-11-23 14:31:44,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:31:44,071 INFO L225 Difference]: With dead ends: 2188 [2018-11-23 14:31:44,071 INFO L226 Difference]: Without dead ends: 1452 [2018-11-23 14:31:44,074 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 14:31:44,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2018-11-23 14:31:44,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1434. [2018-11-23 14:31:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2018-11-23 14:31:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 2459 transitions. [2018-11-23 14:31:44,124 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 2459 transitions. Word has length 129 [2018-11-23 14:31:44,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:31:44,125 INFO L480 AbstractCegarLoop]: Abstraction has 1434 states and 2459 transitions. [2018-11-23 14:31:44,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:31:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 2459 transitions. [2018-11-23 14:31:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 14:31:44,128 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:31:44,128 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, 1, 1, 1, 1, 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 14:31:44,129 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:31:44,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:31:44,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1859454899, now seen corresponding path program 1 times [2018-11-23 14:31:44,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:31:44,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:31:44,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:31:44,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:31:44,130 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:31:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:31:44,260 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:31:44,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:31:44,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:31:44,261 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:31:44,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:31:44,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:31:44,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:31:44,262 INFO L87 Difference]: Start difference. First operand 1434 states and 2459 transitions. Second operand 5 states. [2018-11-23 14:31:46,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:31:46,286 INFO L93 Difference]: Finished difference Result 3583 states and 6186 transitions. [2018-11-23 14:31:46,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:31:46,287 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-11-23 14:31:46,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:31:46,297 INFO L225 Difference]: With dead ends: 3583 [2018-11-23 14:31:46,298 INFO L226 Difference]: Without dead ends: 2155 [2018-11-23 14:31:46,302 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:31:46,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2018-11-23 14:31:46,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2139. [2018-11-23 14:31:46,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2139 states. [2018-11-23 14:31:46,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 3120 transitions. [2018-11-23 14:31:46,357 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 3120 transitions. Word has length 130 [2018-11-23 14:31:46,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:31:46,358 INFO L480 AbstractCegarLoop]: Abstraction has 2139 states and 3120 transitions. [2018-11-23 14:31:46,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:31:46,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 3120 transitions. [2018-11-23 14:31:46,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-23 14:31:46,361 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:31:46,361 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:46,362 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:31:46,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:31:46,362 INFO L82 PathProgramCache]: Analyzing trace with hash 824896939, now seen corresponding path program 1 times [2018-11-23 14:31:46,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:31:46,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:31:46,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:31:46,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:31:46,363 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:31:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:31:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:31:46,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:31:46,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:31:46,546 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:31:46,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:31:46,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:31:46,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:31:46,547 INFO L87 Difference]: Start difference. First operand 2139 states and 3120 transitions. Second operand 6 states. [2018-11-23 14:31:48,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:31:48,484 INFO L93 Difference]: Finished difference Result 7038 states and 10416 transitions. [2018-11-23 14:31:48,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:31:48,484 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2018-11-23 14:31:48,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:31:48,504 INFO L225 Difference]: With dead ends: 7038 [2018-11-23 14:31:48,504 INFO L226 Difference]: Without dead ends: 4905 [2018-11-23 14:31:48,517 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 14:31:48,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4905 states. [2018-11-23 14:31:48,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4905 to 4867. [2018-11-23 14:31:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4867 states. [2018-11-23 14:31:48,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4867 states to 4867 states and 6845 transitions. [2018-11-23 14:31:48,619 INFO L78 Accepts]: Start accepts. Automaton has 4867 states and 6845 transitions. Word has length 222 [2018-11-23 14:31:48,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:31:48,619 INFO L480 AbstractCegarLoop]: Abstraction has 4867 states and 6845 transitions. [2018-11-23 14:31:48,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:31:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4867 states and 6845 transitions. [2018-11-23 14:31:48,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-23 14:31:48,623 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:31:48,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:48,623 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:31:48,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:31:48,623 INFO L82 PathProgramCache]: Analyzing trace with hash -761221741, now seen corresponding path program 1 times [2018-11-23 14:31:48,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:31:48,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:31:48,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:31:48,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:31:48,625 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:31:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:31:48,909 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:31:48,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:31:48,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:31:48,909 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:31:48,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:31:48,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:31:48,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:31:48,910 INFO L87 Difference]: Start difference. First operand 4867 states and 6845 transitions. Second operand 6 states. [2018-11-23 14:31:50,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:31:50,636 INFO L93 Difference]: Finished difference Result 12185 states and 17375 transitions. [2018-11-23 14:31:50,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:31:50,637 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 242 [2018-11-23 14:31:50,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:31:50,660 INFO L225 Difference]: With dead ends: 12185 [2018-11-23 14:31:50,660 INFO L226 Difference]: Without dead ends: 7324 [2018-11-23 14:31:50,678 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 14:31:50,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7324 states. [2018-11-23 14:31:50,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7324 to 7289. [2018-11-23 14:31:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7289 states. [2018-11-23 14:31:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7289 states to 7289 states and 9808 transitions. [2018-11-23 14:31:50,861 INFO L78 Accepts]: Start accepts. Automaton has 7289 states and 9808 transitions. Word has length 242 [2018-11-23 14:31:50,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:31:50,862 INFO L480 AbstractCegarLoop]: Abstraction has 7289 states and 9808 transitions. [2018-11-23 14:31:50,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:31:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 7289 states and 9808 transitions. [2018-11-23 14:31:50,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-11-23 14:31:50,874 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:31:50,874 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:31:50,875 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:31:50,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:31:50,875 INFO L82 PathProgramCache]: Analyzing trace with hash 154123587, now seen corresponding path program 1 times [2018-11-23 14:31:50,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:31:50,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:31:50,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:31:50,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:31:50,876 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:31:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:31:51,274 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 181 proven. 35 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2018-11-23 14:31:51,274 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:31:51,274 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:31:51,275 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 421 with the following transitions: [2018-11-23 14:31:51,276 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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 14:31:51,308 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:31:51,308 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:31:51,659 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:31:51,660 INFO L272 AbstractInterpreter]: Visited 169 different actions 169 times. Never merged. Never widened. Performed 1654 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1654 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 14:31:51,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:31:51,676 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:31:52,094 INFO L227 lantSequenceWeakener]: Weakened 408 states. On average, predicates are now at 77.75% of their original sizes. [2018-11-23 14:31:52,094 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:31:52,129 INFO L415 sIntCurrentIteration]: We unified 419 AI predicates to 419 [2018-11-23 14:31:52,129 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:31:52,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:31:52,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2018-11-23 14:31:52,130 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:31:52,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:31:52,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:31:52,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:31:52,131 INFO L87 Difference]: Start difference. First operand 7289 states and 9808 transitions. Second operand 6 states. [2018-11-23 14:32:37,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:32:37,702 INFO L93 Difference]: Finished difference Result 14910 states and 20002 transitions. [2018-11-23 14:32:37,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:32:37,702 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 420 [2018-11-23 14:32:37,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:32:37,718 INFO L225 Difference]: With dead ends: 14910 [2018-11-23 14:32:37,718 INFO L226 Difference]: Without dead ends: 7627 [2018-11-23 14:32:37,731 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 420 GetRequests, 415 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 14:32:37,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7627 states. [2018-11-23 14:32:37,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7627 to 7626. [2018-11-23 14:32:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7626 states. [2018-11-23 14:32:37,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 10154 transitions. [2018-11-23 14:32:37,862 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 10154 transitions. Word has length 420 [2018-11-23 14:32:37,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:32:37,862 INFO L480 AbstractCegarLoop]: Abstraction has 7626 states and 10154 transitions. [2018-11-23 14:32:37,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:32:37,862 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 10154 transitions. [2018-11-23 14:32:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2018-11-23 14:32:37,878 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:32:37,878 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:32:37,879 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:32:37,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:32:37,879 INFO L82 PathProgramCache]: Analyzing trace with hash 321571626, now seen corresponding path program 1 times [2018-11-23 14:32:37,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:32:37,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:32:37,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:32:37,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:32:37,880 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:32:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:32:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 282 proven. 265 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-23 14:32:38,259 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:32:38,259 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:32:38,259 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 512 with the following transitions: [2018-11-23 14:32:38,260 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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [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], [1048], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 14:32:38,265 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:32:38,265 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:32:38,667 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:32:38,668 INFO L272 AbstractInterpreter]: Visited 173 different actions 506 times. Merged at 4 different actions 7 times. Never widened. Performed 5425 root evaluator evaluations with a maximum evaluation depth of 7. Performed 5425 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 14:32:38,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:32:38,670 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:32:39,208 INFO L227 lantSequenceWeakener]: Weakened 508 states. On average, predicates are now at 80.41% of their original sizes. [2018-11-23 14:32:39,208 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:32:39,296 INFO L415 sIntCurrentIteration]: We unified 510 AI predicates to 510 [2018-11-23 14:32:39,296 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:32:39,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:32:39,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 14:32:39,297 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:32:39,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:32:39,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:32:39,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:32:39,298 INFO L87 Difference]: Start difference. First operand 7626 states and 10154 transitions. Second operand 10 states. [2018-11-23 14:33:49,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:49,921 INFO L93 Difference]: Finished difference Result 18108 states and 24172 transitions. [2018-11-23 14:33:49,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 14:33:49,921 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 511 [2018-11-23 14:33:49,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:49,946 INFO L225 Difference]: With dead ends: 18108 [2018-11-23 14:33:49,946 INFO L226 Difference]: Without dead ends: 10825 [2018-11-23 14:33:49,963 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 520 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 14:33:49,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10825 states. [2018-11-23 14:33:50,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10825 to 10788. [2018-11-23 14:33:50,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10788 states. [2018-11-23 14:33:50,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10788 states to 10788 states and 13691 transitions. [2018-11-23 14:33:50,117 INFO L78 Accepts]: Start accepts. Automaton has 10788 states and 13691 transitions. Word has length 511 [2018-11-23 14:33:50,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:50,118 INFO L480 AbstractCegarLoop]: Abstraction has 10788 states and 13691 transitions. [2018-11-23 14:33:50,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:33:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 10788 states and 13691 transitions. [2018-11-23 14:33:50,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2018-11-23 14:33:50,140 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:50,140 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:50,140 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:50,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:50,141 INFO L82 PathProgramCache]: Analyzing trace with hash 817731394, now seen corresponding path program 1 times [2018-11-23 14:33:50,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:50,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:50,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:50,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:50,142 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 637 proven. 29 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-23 14:33:50,494 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:33:50,494 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:33:50,494 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 660 with the following transitions: [2018-11-23 14:33:50,495 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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 14:33:50,500 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:33:50,500 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:33:50,806 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:33:50,806 INFO L272 AbstractInterpreter]: Visited 250 different actions 748 times. Merged at 8 different actions 20 times. Never widened. Performed 8441 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8441 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 14:33:50,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:50,817 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:33:50,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:33:50,817 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/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 14:33:50,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:50,834 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:33:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:50,959 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:33:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 573 proven. 2 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-11-23 14:33:51,319 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:33:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 573 proven. 2 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-11-23 14:33:51,700 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:33:51,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-23 14:33:51,701 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:33:51,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:33:51,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:33:51,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 14:33:51,704 INFO L87 Difference]: Start difference. First operand 10788 states and 13691 transitions. Second operand 10 states. [2018-11-23 14:33:54,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:54,877 INFO L93 Difference]: Finished difference Result 25805 states and 32520 transitions. [2018-11-23 14:33:54,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 14:33:54,878 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 659 [2018-11-23 14:33:54,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:54,899 INFO L225 Difference]: With dead ends: 25805 [2018-11-23 14:33:54,899 INFO L226 Difference]: Without dead ends: 13414 [2018-11-23 14:33:54,922 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1348 GetRequests, 1325 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2018-11-23 14:33:54,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13414 states. [2018-11-23 14:33:55,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13414 to 13050. [2018-11-23 14:33:55,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13050 states. [2018-11-23 14:33:55,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13050 states to 13050 states and 14233 transitions. [2018-11-23 14:33:55,055 INFO L78 Accepts]: Start accepts. Automaton has 13050 states and 14233 transitions. Word has length 659 [2018-11-23 14:33:55,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:55,056 INFO L480 AbstractCegarLoop]: Abstraction has 13050 states and 14233 transitions. [2018-11-23 14:33:55,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:33:55,057 INFO L276 IsEmpty]: Start isEmpty. Operand 13050 states and 14233 transitions. [2018-11-23 14:33:55,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2018-11-23 14:33:55,072 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:55,072 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:55,072 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:55,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:55,073 INFO L82 PathProgramCache]: Analyzing trace with hash 408476754, now seen corresponding path program 1 times [2018-11-23 14:33:55,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:55,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:55,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:55,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:55,074 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 507 proven. 141 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2018-11-23 14:33:55,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:33:55,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:33:55,365 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 686 with the following transitions: [2018-11-23 14:33:55,365 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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [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 14:33:55,371 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:33:55,371 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:33:55,868 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:33:55,868 INFO L272 AbstractInterpreter]: Visited 251 different actions 1003 times. Merged at 9 different actions 31 times. Widened at 1 different actions 1 times. Performed 11777 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11777 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 14:33:55,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:55,870 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:33:55,870 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:33:55,870 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/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 14:33:55,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:55,876 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:33:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:55,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:33:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 814 proven. 2 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2018-11-23 14:33:56,269 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:33:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 507 proven. 141 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2018-11-23 14:33:56,541 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:33:56,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 14:33:56,542 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:33:56,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 14:33:56,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 14:33:56,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 14:33:56,543 INFO L87 Difference]: Start difference. First operand 13050 states and 14233 transitions. Second operand 9 states. [2018-11-23 14:33:58,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:58,245 INFO L93 Difference]: Finished difference Result 30977 states and 34827 transitions. [2018-11-23 14:33:58,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 14:33:58,246 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 685 [2018-11-23 14:33:58,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:58,275 INFO L225 Difference]: With dead ends: 30977 [2018-11-23 14:33:58,275 INFO L226 Difference]: Without dead ends: 16920 [2018-11-23 14:33:58,303 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1391 GetRequests, 1373 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-23 14:33:58,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16920 states. [2018-11-23 14:33:58,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16920 to 16900. [2018-11-23 14:33:58,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16900 states. [2018-11-23 14:33:58,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16900 states to 16900 states and 18558 transitions. [2018-11-23 14:33:58,548 INFO L78 Accepts]: Start accepts. Automaton has 16900 states and 18558 transitions. Word has length 685 [2018-11-23 14:33:58,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:58,549 INFO L480 AbstractCegarLoop]: Abstraction has 16900 states and 18558 transitions. [2018-11-23 14:33:58,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 14:33:58,549 INFO L276 IsEmpty]: Start isEmpty. Operand 16900 states and 18558 transitions. [2018-11-23 14:33:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2018-11-23 14:33:58,569 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:58,569 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:58,569 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:58,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:58,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1047054171, now seen corresponding path program 1 times [2018-11-23 14:33:58,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:58,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:58,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:58,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:58,571 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 453 proven. 612 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-23 14:33:59,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:33:59,924 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:33:59,924 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 879 with the following transitions: [2018-11-23 14:33:59,924 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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1444], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 14:33:59,928 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:33:59,928 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:34:00,315 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:34:00,315 INFO L272 AbstractInterpreter]: Visited 272 different actions 538 times. Merged at 4 different actions 4 times. Never widened. Performed 5879 root evaluator evaluations with a maximum evaluation depth of 17. Performed 5879 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 14:34:00,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:00,322 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:34:00,781 INFO L227 lantSequenceWeakener]: Weakened 875 states. On average, predicates are now at 77.52% of their original sizes. [2018-11-23 14:34:00,781 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:34:00,827 INFO L415 sIntCurrentIteration]: We unified 877 AI predicates to 877 [2018-11-23 14:34:00,827 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:34:00,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:34:00,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-23 14:34:00,828 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:34:00,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:34:00,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:34:00,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:34:00,829 INFO L87 Difference]: Start difference. First operand 16900 states and 18558 transitions. Second operand 10 states. [2018-11-23 14:34:27,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:27,017 INFO L93 Difference]: Finished difference Result 33798 states and 37131 transitions. [2018-11-23 14:34:27,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 14:34:27,017 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 878 [2018-11-23 14:34:27,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:27,045 INFO L225 Difference]: With dead ends: 33798 [2018-11-23 14:34:27,046 INFO L226 Difference]: Without dead ends: 17241 [2018-11-23 14:34:27,067 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 885 GetRequests, 869 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 14:34:27,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17241 states. [2018-11-23 14:34:27,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17241 to 17239. [2018-11-23 14:34:27,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17239 states. [2018-11-23 14:34:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17239 states to 17239 states and 18904 transitions. [2018-11-23 14:34:27,223 INFO L78 Accepts]: Start accepts. Automaton has 17239 states and 18904 transitions. Word has length 878 [2018-11-23 14:34:27,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:27,223 INFO L480 AbstractCegarLoop]: Abstraction has 17239 states and 18904 transitions. [2018-11-23 14:34:27,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:34:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand 17239 states and 18904 transitions. [2018-11-23 14:34:27,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 887 [2018-11-23 14:34:27,235 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:27,235 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:27,235 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:27,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:27,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1837873387, now seen corresponding path program 1 times [2018-11-23 14:34:27,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:34:27,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:27,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:27,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:27,238 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:34:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 941 trivial. 0 not checked. [2018-11-23 14:34:27,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:34:27,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 14:34:27,575 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:34:27,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 14:34:27,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 14:34:27,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:34:27,576 INFO L87 Difference]: Start difference. First operand 17239 states and 18904 transitions. Second operand 4 states. [2018-11-23 14:34:28,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:28,672 INFO L93 Difference]: Finished difference Result 45220 states and 50597 transitions. [2018-11-23 14:34:28,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:34:28,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 886 [2018-11-23 14:34:28,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:28,723 INFO L225 Difference]: With dead ends: 45220 [2018-11-23 14:34:28,723 INFO L226 Difference]: Without dead ends: 27644 [2018-11-23 14:34:28,779 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 14:34:28,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27644 states. [2018-11-23 14:34:29,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27644 to 27552. [2018-11-23 14:34:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27552 states. [2018-11-23 14:34:29,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27552 states to 27552 states and 29678 transitions. [2018-11-23 14:34:29,054 INFO L78 Accepts]: Start accepts. Automaton has 27552 states and 29678 transitions. Word has length 886 [2018-11-23 14:34:29,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:29,055 INFO L480 AbstractCegarLoop]: Abstraction has 27552 states and 29678 transitions. [2018-11-23 14:34:29,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 14:34:29,055 INFO L276 IsEmpty]: Start isEmpty. Operand 27552 states and 29678 transitions. [2018-11-23 14:34:29,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1239 [2018-11-23 14:34:29,075 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:29,075 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:29,075 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:29,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:29,076 INFO L82 PathProgramCache]: Analyzing trace with hash -919756301, now seen corresponding path program 1 times [2018-11-23 14:34:29,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:34:29,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:29,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:29,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:29,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:34:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:31,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2428 backedges. 967 proven. 215 refuted. 0 times theorem prover too weak. 1246 trivial. 0 not checked. [2018-11-23 14:34:31,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:34:31,404 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:34:31,404 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1239 with the following transitions: [2018-11-23 14:34:31,404 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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [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], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 14:34:31,407 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:34:31,407 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:34:31,859 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:34:31,859 INFO L272 AbstractInterpreter]: Visited 284 different actions 839 times. Merged at 4 different actions 7 times. Never widened. Performed 10004 root evaluator evaluations with a maximum evaluation depth of 15. Performed 10004 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 14:34:31,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:31,860 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:34:32,470 INFO L227 lantSequenceWeakener]: Weakened 1235 states. On average, predicates are now at 80.17% of their original sizes. [2018-11-23 14:34:32,470 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:34:32,514 INFO L415 sIntCurrentIteration]: We unified 1237 AI predicates to 1237 [2018-11-23 14:34:32,514 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:34:32,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:34:32,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2018-11-23 14:34:32,515 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:34:32,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 14:34:32,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 14:34:32,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:34:32,516 INFO L87 Difference]: Start difference. First operand 27552 states and 29678 transitions. Second operand 9 states. [2018-11-23 14:35:56,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:35:56,421 INFO L93 Difference]: Finished difference Result 50780 states and 54867 transitions. [2018-11-23 14:35:56,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 14:35:56,421 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1238 [2018-11-23 14:35:56,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:35:56,465 INFO L225 Difference]: With dead ends: 50780 [2018-11-23 14:35:56,465 INFO L226 Difference]: Without dead ends: 27560 [2018-11-23 14:35:56,504 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 1244 GetRequests, 1230 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 14:35:56,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27560 states. [2018-11-23 14:35:56,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27560 to 27554. [2018-11-23 14:35:56,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27554 states. [2018-11-23 14:35:56,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27554 states to 27554 states and 29675 transitions. [2018-11-23 14:35:56,841 INFO L78 Accepts]: Start accepts. Automaton has 27554 states and 29675 transitions. Word has length 1238 [2018-11-23 14:35:56,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:35:56,842 INFO L480 AbstractCegarLoop]: Abstraction has 27554 states and 29675 transitions. [2018-11-23 14:35:56,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 14:35:56,842 INFO L276 IsEmpty]: Start isEmpty. Operand 27554 states and 29675 transitions. [2018-11-23 14:35:56,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1334 [2018-11-23 14:35:56,858 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:35:56,859 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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] [2018-11-23 14:35:56,859 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:35:56,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:35:56,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1262173170, now seen corresponding path program 1 times [2018-11-23 14:35:56,860 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:35:56,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:35:56,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:35:56,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:35:56,861 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:35:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:35:58,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 1730 proven. 661 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2018-11-23 14:35:58,035 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:35:58,035 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:35:58,036 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1334 with the following transitions: [2018-11-23 14:35:58,036 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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [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], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 14:35:58,039 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:35:58,039 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:35:59,025 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:35:59,026 INFO L272 AbstractInterpreter]: Visited 286 different actions 1147 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Performed 13802 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13802 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 14:35:59,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:35:59,028 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:35:59,028 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:35:59,028 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/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 14:35:59,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:35:59,035 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:35:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:35:59,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:35:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-11-23 14:35:59,620 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:36:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-11-23 14:36:00,112 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:36:00,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-23 14:36:00,113 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:36:00,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:36:00,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:36:00,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:36:00,113 INFO L87 Difference]: Start difference. First operand 27554 states and 29675 transitions. Second operand 3 states. [2018-11-23 14:36:00,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:36:00,852 INFO L93 Difference]: Finished difference Result 50772 states and 54850 transitions. [2018-11-23 14:36:00,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:36:00,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1333 [2018-11-23 14:36:00,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:36:00,897 INFO L225 Difference]: With dead ends: 50772 [2018-11-23 14:36:00,897 INFO L226 Difference]: Without dead ends: 27554 [2018-11-23 14:36:00,941 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2680 GetRequests, 2668 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:36:00,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27554 states. [2018-11-23 14:36:01,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27554 to 27464. [2018-11-23 14:36:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27464 states. [2018-11-23 14:36:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27464 states to 27464 states and 29406 transitions. [2018-11-23 14:36:01,192 INFO L78 Accepts]: Start accepts. Automaton has 27464 states and 29406 transitions. Word has length 1333 [2018-11-23 14:36:01,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:36:01,193 INFO L480 AbstractCegarLoop]: Abstraction has 27464 states and 29406 transitions. [2018-11-23 14:36:01,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:36:01,193 INFO L276 IsEmpty]: Start isEmpty. Operand 27464 states and 29406 transitions. [2018-11-23 14:36:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1406 [2018-11-23 14:36:01,215 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:36:01,216 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-23 14:36:01,216 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:36:01,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:36:01,216 INFO L82 PathProgramCache]: Analyzing trace with hash 124277750, now seen corresponding path program 1 times [2018-11-23 14:36:01,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:36:01,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:36:01,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:36:01,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:36:01,217 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:36:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:36:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 809 proven. 2 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-11-23 14:36:01,975 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:36:01,975 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:36:01,976 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1406 with the following transitions: [2018-11-23 14:36:01,976 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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [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], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 14:36:01,979 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:36:01,979 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:36:02,947 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:36:02,947 INFO L272 AbstractInterpreter]: Visited 287 different actions 1156 times. Merged at 11 different actions 40 times. Widened at 1 different actions 1 times. Performed 13843 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13843 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 14:36:02,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:36:02,952 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:36:02,952 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:36:02,952 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/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 14:36:02,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:36:02,958 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:36:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:36:03,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:36:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 809 proven. 2 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-11-23 14:36:03,587 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:36:04,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 809 proven. 2 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-11-23 14:36:04,247 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:36:04,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-23 14:36:04,247 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:36:04,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:36:04,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:36:04,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 14:36:04,248 INFO L87 Difference]: Start difference. First operand 27464 states and 29406 transitions. Second operand 10 states. [2018-11-23 14:36:06,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:36:06,126 INFO L93 Difference]: Finished difference Result 55684 states and 59709 transitions. [2018-11-23 14:36:06,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 14:36:06,127 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1405 [2018-11-23 14:36:06,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:36:06,172 INFO L225 Difference]: With dead ends: 55684 [2018-11-23 14:36:06,172 INFO L226 Difference]: Without dead ends: 26596 [2018-11-23 14:36:06,212 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2831 GetRequests, 2812 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-23 14:36:06,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26596 states. [2018-11-23 14:36:06,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26596 to 25505. [2018-11-23 14:36:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25505 states. [2018-11-23 14:36:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25505 states to 25505 states and 26871 transitions. [2018-11-23 14:36:06,461 INFO L78 Accepts]: Start accepts. Automaton has 25505 states and 26871 transitions. Word has length 1405 [2018-11-23 14:36:06,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:36:06,462 INFO L480 AbstractCegarLoop]: Abstraction has 25505 states and 26871 transitions. [2018-11-23 14:36:06,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:36:06,462 INFO L276 IsEmpty]: Start isEmpty. Operand 25505 states and 26871 transitions. [2018-11-23 14:36:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1580 [2018-11-23 14:36:06,490 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:36:06,490 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-23 14:36:06,490 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:36:06,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:36:06,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1675126946, now seen corresponding path program 1 times [2018-11-23 14:36:06,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:36:06,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:36:06,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:36:06,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:36:06,491 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:36:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:36:07,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 953 proven. 449 refuted. 0 times theorem prover too weak. 3733 trivial. 0 not checked. [2018-11-23 14:36:07,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:36:07,434 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:36:07,434 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1580 with the following transitions: [2018-11-23 14:36:07,435 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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [1076], [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], [1396], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 14:36:07,437 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:36:07,437 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:36:08,226 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:36:08,227 INFO L272 AbstractInterpreter]: Visited 266 different actions 1068 times. Merged at 11 different actions 36 times. Never widened. Performed 12724 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12724 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-23 14:36:08,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:36:08,228 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:36:08,228 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:36:08,228 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/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 14:36:08,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:36:08,234 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:36:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:36:08,418 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:36:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 3357 proven. 2 refuted. 0 times theorem prover too weak. 1776 trivial. 0 not checked. [2018-11-23 14:36:09,153 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:36:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 953 proven. 449 refuted. 0 times theorem prover too weak. 3733 trivial. 0 not checked. [2018-11-23 14:36:09,975 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:36:09,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 14:36:09,976 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:36:09,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 14:36:09,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 14:36:09,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:36:09,977 INFO L87 Difference]: Start difference. First operand 25505 states and 26871 transitions. Second operand 9 states. [2018-11-23 14:36:11,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:36:11,682 INFO L93 Difference]: Finished difference Result 44816 states and 47036 transitions. [2018-11-23 14:36:11,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 14:36:11,683 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1579 [2018-11-23 14:36:11,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:36:11,707 INFO L225 Difference]: With dead ends: 44816 [2018-11-23 14:36:11,707 INFO L226 Difference]: Without dead ends: 20124 [2018-11-23 14:36:11,738 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3175 GetRequests, 3159 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-23 14:36:11,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20124 states. [2018-11-23 14:36:11,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20124 to 19681. [2018-11-23 14:36:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19681 states. [2018-11-23 14:36:11,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19681 states to 19681 states and 20307 transitions. [2018-11-23 14:36:11,881 INFO L78 Accepts]: Start accepts. Automaton has 19681 states and 20307 transitions. Word has length 1579 [2018-11-23 14:36:11,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:36:11,882 INFO L480 AbstractCegarLoop]: Abstraction has 19681 states and 20307 transitions. [2018-11-23 14:36:11,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 14:36:11,882 INFO L276 IsEmpty]: Start isEmpty. Operand 19681 states and 20307 transitions. [2018-11-23 14:36:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1581 [2018-11-23 14:36:11,898 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:36:11,899 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-23 14:36:11,899 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:36:11,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:36:11,900 INFO L82 PathProgramCache]: Analyzing trace with hash 306379775, now seen corresponding path program 1 times [2018-11-23 14:36:11,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:36:11,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:36:11,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:36:11,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:36:11,901 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:36:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:36:13,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5143 backedges. 2595 proven. 61 refuted. 0 times theorem prover too weak. 2487 trivial. 0 not checked. [2018-11-23 14:36:13,696 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:36:13,696 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:36:13,697 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1581 with the following transitions: [2018-11-23 14:36:13,697 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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [1076], [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], [1396], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 14:36:13,700 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:36:13,700 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:36:14,336 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:36:14,336 INFO L272 AbstractInterpreter]: Visited 266 different actions 1073 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 12729 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12729 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 14:36:14,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:36:14,338 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:36:14,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:36:14,338 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/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 14:36:14,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:36:14,344 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:36:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:36:14,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:36:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5143 backedges. 2604 proven. 2 refuted. 0 times theorem prover too weak. 2537 trivial. 0 not checked. [2018-11-23 14:36:15,410 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:36:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5143 backedges. 1581 proven. 170 refuted. 0 times theorem prover too weak. 3392 trivial. 0 not checked. [2018-11-23 14:36:17,307 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:36:17,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-11-23 14:36:17,308 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:36:17,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 14:36:17,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 14:36:17,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-11-23 14:36:17,309 INFO L87 Difference]: Start difference. First operand 19681 states and 20307 transitions. Second operand 16 states. [2018-11-23 14:36:24,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:36:24,873 INFO L93 Difference]: Finished difference Result 36921 states and 38149 transitions. [2018-11-23 14:36:24,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-23 14:36:24,873 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1580 [2018-11-23 14:36:24,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:36:24,894 INFO L225 Difference]: With dead ends: 36921 [2018-11-23 14:36:24,894 INFO L226 Difference]: Without dead ends: 18321 [2018-11-23 14:36:24,909 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3236 GetRequests, 3183 SyntacticMatches, 6 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=438, Invalid=1914, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 14:36:24,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18321 states. [2018-11-23 14:36:25,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18321 to 16845. [2018-11-23 14:36:25,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16845 states. [2018-11-23 14:36:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16845 states to 16845 states and 17324 transitions. [2018-11-23 14:36:25,067 INFO L78 Accepts]: Start accepts. Automaton has 16845 states and 17324 transitions. Word has length 1580 [2018-11-23 14:36:25,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:36:25,068 INFO L480 AbstractCegarLoop]: Abstraction has 16845 states and 17324 transitions. [2018-11-23 14:36:25,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 14:36:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 16845 states and 17324 transitions. [2018-11-23 14:36:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2003 [2018-11-23 14:36:25,090 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:36:25,090 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, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:36:25,090 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:36:25,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:36:25,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1335635522, now seen corresponding path program 1 times [2018-11-23 14:36:25,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:36:25,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:36:25,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:36:25,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:36:25,091 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:36:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:36:29,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6993 backedges. 4575 proven. 847 refuted. 0 times theorem prover too weak. 1571 trivial. 0 not checked. [2018-11-23 14:36:29,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:36:29,369 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:36:29,369 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2003 with the following transitions: [2018-11-23 14:36:29,370 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], [117], [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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [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], [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 14:36:29,373 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:36:29,373 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:36:30,403 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:36:30,403 INFO L272 AbstractInterpreter]: Visited 339 different actions 1348 times. Merged at 11 different actions 33 times. Never widened. Performed 16551 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16551 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 14:36:30,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:36:30,404 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:36:30,404 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:36:30,404 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/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 14:36:30,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:36:30,411 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:36:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:36:30,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:36:31,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6993 backedges. 4651 proven. 2 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2018-11-23 14:36:31,916 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:36:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6993 backedges. 1393 proven. 827 refuted. 0 times theorem prover too weak. 4773 trivial. 0 not checked. [2018-11-23 14:36:34,784 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:36:34,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5] total 23 [2018-11-23 14:36:34,784 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:36:34,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-23 14:36:34,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-23 14:36:34,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2018-11-23 14:36:34,786 INFO L87 Difference]: Start difference. First operand 16845 states and 17324 transitions. Second operand 21 states. [2018-11-23 14:36:42,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:36:42,661 INFO L93 Difference]: Finished difference Result 30766 states and 31707 transitions. [2018-11-23 14:36:42,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-11-23 14:36:42,662 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 2002 [2018-11-23 14:36:42,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:36:42,678 INFO L225 Difference]: With dead ends: 30766 [2018-11-23 14:36:42,678 INFO L226 Difference]: Without dead ends: 16977 [2018-11-23 14:36:42,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4109 GetRequests, 4039 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1280 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=866, Invalid=3690, Unknown=0, NotChecked=0, Total=4556 [2018-11-23 14:36:42,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16977 states. [2018-11-23 14:36:42,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16977 to 16175. [2018-11-23 14:36:42,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16175 states. [2018-11-23 14:36:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16175 states to 16175 states and 16597 transitions. [2018-11-23 14:36:42,810 INFO L78 Accepts]: Start accepts. Automaton has 16175 states and 16597 transitions. Word has length 2002 [2018-11-23 14:36:42,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:36:42,811 INFO L480 AbstractCegarLoop]: Abstraction has 16175 states and 16597 transitions. [2018-11-23 14:36:42,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-23 14:36:42,811 INFO L276 IsEmpty]: Start isEmpty. Operand 16175 states and 16597 transitions. [2018-11-23 14:36:42,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2243 [2018-11-23 14:36:42,836 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:36:42,837 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:36:42,837 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:36:42,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:36:42,837 INFO L82 PathProgramCache]: Analyzing trace with hash 950903030, now seen corresponding path program 1 times [2018-11-23 14:36:42,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:36:42,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:36:42,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:36:42,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:36:42,838 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:36:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:36:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 9167 backedges. 1395 proven. 5684 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2018-11-23 14:36:49,807 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:36:49,807 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:36:49,807 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2243 with the following transitions: [2018-11-23 14:36:49,808 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], [117], [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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [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], [1396], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [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 14:36:49,811 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:36:49,811 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:36:50,755 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:36:50,755 INFO L272 AbstractInterpreter]: Visited 341 different actions 1362 times. Merged at 12 different actions 39 times. Widened at 1 different actions 1 times. Performed 16775 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16775 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-23 14:36:50,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:36:50,756 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:36:50,756 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:36:50,757 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/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 14:36:50,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:36:50,763 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:36:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:36:51,043 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:36:52,402 INFO L134 CoverageAnalysis]: Checked inductivity of 9167 backedges. 5135 proven. 2 refuted. 0 times theorem prover too weak. 4030 trivial. 0 not checked. [2018-11-23 14:36:52,402 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:36:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 9167 backedges. 1158 proven. 706 refuted. 0 times theorem prover too weak. 7303 trivial. 0 not checked. [2018-11-23 14:36:54,208 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:36:54,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-11-23 14:36:54,208 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:36:54,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-23 14:36:54,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-23 14:36:54,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-11-23 14:36:54,210 INFO L87 Difference]: Start difference. First operand 16175 states and 16597 transitions. Second operand 28 states. [2018-11-23 14:37:08,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:37:08,414 INFO L93 Difference]: Finished difference Result 34974 states and 35994 transitions. [2018-11-23 14:37:08,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-11-23 14:37:08,415 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2242 [2018-11-23 14:37:08,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:37:08,435 INFO L225 Difference]: With dead ends: 34974 [2018-11-23 14:37:08,435 INFO L226 Difference]: Without dead ends: 21867 [2018-11-23 14:37:08,443 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4648 GetRequests, 4542 SyntacticMatches, 6 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3392 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1630, Invalid=8672, Unknown=0, NotChecked=0, Total=10302 [2018-11-23 14:37:08,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21867 states. [2018-11-23 14:37:08,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21867 to 20117. [2018-11-23 14:37:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20117 states. [2018-11-23 14:37:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20117 states to 20117 states and 20579 transitions. [2018-11-23 14:37:08,605 INFO L78 Accepts]: Start accepts. Automaton has 20117 states and 20579 transitions. Word has length 2242 [2018-11-23 14:37:08,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:37:08,606 INFO L480 AbstractCegarLoop]: Abstraction has 20117 states and 20579 transitions. [2018-11-23 14:37:08,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-23 14:37:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 20117 states and 20579 transitions. [2018-11-23 14:37:08,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2276 [2018-11-23 14:37:08,634 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:37:08,635 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:37:08,635 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:37:08,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:37:08,635 INFO L82 PathProgramCache]: Analyzing trace with hash -827897163, now seen corresponding path program 1 times [2018-11-23 14:37:08,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:37:08,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:37:08,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:37:08,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:37:08,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:37:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:37:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 9560 backedges. 1499 proven. 6082 refuted. 0 times theorem prover too weak. 1979 trivial. 0 not checked. [2018-11-23 14:37:15,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:37:15,527 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:37:15,528 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2276 with the following transitions: [2018-11-23 14:37:15,528 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], [117], [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], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1296], [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], [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 14:37:15,530 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:37:15,531 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:37:16,479 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:37:16,479 INFO L272 AbstractInterpreter]: Visited 341 different actions 1356 times. Merged at 10 different actions 33 times. Widened at 1 different actions 1 times. Performed 16708 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16708 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 12 different actions. Largest state had 24 variables. [2018-11-23 14:37:16,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:37:16,488 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:37:16,488 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:37:16,488 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/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 14:37:16,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:37:16,495 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:37:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:37:16,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:37:18,412 INFO L134 CoverageAnalysis]: Checked inductivity of 9560 backedges. 1390 proven. 55 refuted. 0 times theorem prover too weak. 8115 trivial. 0 not checked. [2018-11-23 14:37:18,413 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:37:19,968 INFO L134 CoverageAnalysis]: Checked inductivity of 9560 backedges. 1443 proven. 2 refuted. 0 times theorem prover too weak. 8115 trivial. 0 not checked. [2018-11-23 14:37:19,984 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:37:19,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 6, 6] total 32 [2018-11-23 14:37:19,984 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:37:19,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-23 14:37:19,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-23 14:37:19,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=853, Unknown=0, NotChecked=0, Total=992 [2018-11-23 14:37:19,986 INFO L87 Difference]: Start difference. First operand 20117 states and 20579 transitions. Second operand 28 states. [2018-11-23 14:37:36,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:37:36,068 INFO L93 Difference]: Finished difference Result 40098 states and 41122 transitions. [2018-11-23 14:37:36,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-11-23 14:37:36,068 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2275 [2018-11-23 14:37:36,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:37:36,069 INFO L225 Difference]: With dead ends: 40098 [2018-11-23 14:37:36,069 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:37:36,084 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4695 GetRequests, 4595 SyntacticMatches, 7 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2775 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1403, Invalid=7527, Unknown=0, NotChecked=0, Total=8930 [2018-11-23 14:37:36,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:37:36,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:37:36,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:37:36,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:37:36,085 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2275 [2018-11-23 14:37:36,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:37:36,085 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:37:36,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-23 14:37:36,085 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:37:36,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:37:36,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:37:36,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,668 WARN L180 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 392 [2018-11-23 14:37:36,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:36,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:37,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:37,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:37,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:37,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:37:38,763 WARN L180 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 425 [2018-11-23 14:37:40,712 WARN L180 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 392 DAG size of output: 105 [2018-11-23 14:37:42,827 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 440 DAG size of output: 134 [2018-11-23 14:37:45,577 WARN L180 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 581 DAG size of output: 137 [2018-11-23 14:37:48,837 WARN L180 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 524 DAG size of output: 174 [2018-11-23 14:37:50,896 WARN L180 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 422 DAG size of output: 101 [2018-11-23 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:37:50,899 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 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,899 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,900 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,901 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse20 (= |old(~a16~0)| ~a16~0)) (.cse17 (= 6 |old(~a12~0)|)) (.cse30 (= |old(~a15~0)| ~a15~0)) (.cse25 (= ~a16~0 |old(~a16~0)|)) (.cse19 (= ~a18~0 |old(~a18~0)|)) (.cse21 (= |old(~a12~0)| ~a12~0)) (.cse0 (= 12 |old(~a16~0)|)) (.cse4 (= 11 |old(~a16~0)|)) (.cse18 (= 8 |old(~a12~0)|)) (.cse13 (< 0 (+ |old(~a18~0)| 79))) (.cse8 (= 4 |old(~a15~0)|))) (let ((.cse6 (< 7 |old(~a12~0)|)) (.cse10 (not .cse8)) (.cse23 (and (<= |old(~a18~0)| 134) .cse13)) (.cse26 (= 3 ~a15~0)) (.cse22 (not (= 3 |old(~a15~0)|))) (.cse11 (not (= 5 |old(~a12~0)|))) (.cse28 (not (= 9 |old(~a12~0)|))) (.cse7 (< |old(~a15~0)| 4)) (.cse15 (not .cse18)) (.cse24 (or .cse0 .cse8 .cse4)) (.cse9 (< |old(~a12~0)| 6)) (.cse2 (= 10 |old(~a16~0)|)) (.cse29 (not (= 9 |old(~a16~0)|))) (.cse5 (and .cse30 .cse25 .cse19 .cse21)) (.cse3 (not .cse17)) (.cse14 (<= (+ ~a18~0 79) 0)) (.cse16 (not (= 7 |old(~a12~0)|))) (.cse27 (not .cse4)) (.cse12 (not (= 8 |old(~a16~0)|))) (.cse1 (and .cse20 .cse30 .cse21))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (forall ((v_~a18~0_1172 Int)) (or (not (= (+ (* 3 v_~a18~0_1172) 599175) |old(~a18~0)|)) (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0))) .cse5 .cse6 .cse4 .cse7) (or .cse8 (not .cse0) .cse9 .cse5) (or .cse5 (or .cse10 .cse11 .cse12)) (or .cse5 .cse0 .cse13 .cse6 .cse4 .cse7) (or .cse14 .cse8 .cse15 .cse13) (or .cse8 .cse16 .cse14 .cse13) (or (or .cse17 .cse8 .cse9 .cse18 .cse2 .cse4) (and (and .cse19 .cse20 .cse21) (= ~a15~0 |old(~a15~0)|))) (or .cse22 (or .cse14 (< 134 ~a18~0)) .cse23 .cse24 .cse3) (or .cse10 .cse12 .cse15 .cse5) (or (and .cse25 .cse26 .cse21) .cse22 .cse23 .cse24 .cse3) (or (or .cse8 .cse15 .cse27) .cse5) (or .cse8 .cse16 .cse1) (or .cse22 .cse27 .cse13 (and .cse25 .cse26 .cse19 .cse21) .cse3) (or (or .cse8 .cse27) .cse28 .cse5) (or .cse0 .cse5 .cse3 .cse4 .cse7) (or .cse22 .cse11 (= 0 |old(~a16~0)|) .cse5) (or .cse12 .cse28 .cse5) (or (or .cse15 .cse29 .cse7) .cse5) (or .cse24 .cse15 .cse1) (or .cse24 .cse19 .cse3 (forall ((v_~a18~0_1172 Int)) (or (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0) (< (div (+ (* 27 v_~a18~0_1172) 5392575) 10) (+ |old(~a18~0)| 557770))))) (or .cse17 .cse0 .cse9 .cse18 .cse2 .cse13 .cse5 .cse4) (or .cse14 .cse12 .cse13) (or .cse5 (or .cse16 .cse29)) (or .cse12 .cse16 .cse5) (or .cse8 .cse3 .cse13 (and .cse14 .cse20 .cse30 .cse21) .cse4) (or .cse8 .cse16 .cse27 .cse19) (or .cse12 .cse8 .cse1)))) [2018-11-23 14:37:50,901 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,901 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,901 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,901 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,901 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,901 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,901 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,901 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 14:37:50,901 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,901 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,901 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,901 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 14:37:50,902 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse4 (= 11 |old(~a16~0)|)) (.cse9 (= 8 |old(~a12~0)|))) (let ((.cse5 (= 4 |old(~a15~0)|)) (.cse6 (not .cse9)) (.cse33 (not .cse4)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse21 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= 6 |old(~a12~0)|)) (.cse13 (= 8 ~a16~0)) (.cse14 (= |old(~a12~0)| 9)) (.cse25 (<= (+ ~a18~0 79) 0)) (.cse22 (<= |old(~a16~0)| 11)) (.cse38 (not (= ~a16~0 11))) (.cse17 (not (= ~a15~0 4))) (.cse36 (= |old(~a16~0)| ~a16~0)) (.cse39 (= 7 ~a12~0)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse32 (= |old(~a12~0)| ~a12~0))) (let ((.cse11 (and .cse25 .cse22 .cse38 .cse17 .cse36 .cse39 .cse18 .cse32)) (.cse29 (not (= 9 |old(~a12~0)|))) (.cse23 (< 7 |old(~a12~0)|)) (.cse19 (not (= 5 |old(~a12~0)|))) (.cse31 (= |calculate_output_#in~input| 0)) (.cse35 (not (= calculate_output_~input 0))) (.cse2 (= 10 |old(~a16~0)|)) (.cse28 (and .cse13 .cse14 .cse17 .cse36 .cse18 .cse32)) (.cse34 (and .cse22 .cse38 .cse17 .cse39 .cse18 .cse32)) (.cse0 (= 12 |old(~a16~0)|)) (.cse8 (< |old(~a12~0)| 6)) (.cse27 (not (= 9 |old(~a16~0)|))) (.cse24 (< |old(~a15~0)| 4)) (.cse26 (not (= 7 |old(~a12~0)|))) (.cse20 (= 3 ~a15~0)) (.cse3 (not .cse7)) (.cse12 (< 0 (+ |old(~a18~0)| 79))) (.cse1 (and .cse36 .cse18 .cse32)) (.cse16 (not (= 8 |old(~a16~0)|))) (.cse10 (and .cse18 .cse15 .cse21 .cse32)) (.cse30 (not (= 3 |old(~a15~0)|))) (.cse37 (or .cse5 .cse6 .cse33))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1) (or .cse7 .cse0 .cse8 .cse9 .cse10 .cse11 .cse2 .cse12 (and .cse13 .cse14 .cse15) .cse4) (or .cse16 .cse6 (and .cse17 .cse18) .cse10) (or .cse10 (or (not .cse5) .cse19 .cse16)) (or .cse20 .cse21 (forall ((v_~a18~0_1172 Int)) (or (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0) (< (div (+ (* 27 v_~a18~0_1172) 5392575) 10) (+ |old(~a18~0)| 557770)))) .cse5 .cse22 .cse3) (or .cse7 .cse0 .cse11 .cse12 .cse10 .cse23 .cse4 .cse24) (or .cse16 .cse25 .cse12) (or .cse11 .cse10 (or .cse26 .cse27 .cse24)) (or .cse16 .cse10 .cse28 .cse29) (or .cse5 .cse26 .cse1) (or .cse30 .cse19 .cse25 .cse12 .cse31 .cse27) (or .cse30 (and .cse15 .cse20 (or .cse25 (< 134 ~a18~0)) .cse32) (and (not (= 10 ~a16~0)) .cse22 .cse15) .cse4 (<= |old(~a18~0)| 134) .cse3) (or (or .cse5 .cse33) .cse29 .cse10) (or .cse7 .cse0 (forall ((v_~a18~0_1172 Int)) (or (not (= (+ (* 3 v_~a18~0_1172) 599175) |old(~a18~0)|)) (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0))) .cse34 .cse10 .cse23 .cse4 .cse24) (or .cse30 .cse19 (and .cse18 .cse35 .cse15 .cse21 .cse32) .cse31 (= 0 |old(~a16~0)|) (and (= 9 ~a16~0) .cse35 .cse15 .cse20 .cse32) (and .cse35 .cse15 (= ~a16~0 8))) (or .cse5 .cse6 .cse12 .cse25) (or .cse5 .cse26 .cse12 .cse25) (or .cse31 (or .cse30 .cse33) (not (= (+ |old(~a18~0)| 87) 0)) .cse35 .cse3) (or (and .cse21 .cse36 (= ~a15~0 |old(~a15~0)|) .cse32) .cse34 .cse4 .cse7 .cse5 .cse8 .cse9 .cse2 .cse28) (or .cse16 .cse34 .cse10 .cse7 .cse8 .cse9 (< 8 |old(~a12~0)|)) (or .cse10 .cse0 .cse3 (and .cse13 .cse17 .cse36) .cse4 .cse24) (or .cse10 .cse5 (not .cse0) .cse8) (or .cse10 (or .cse6 .cse27 .cse24)) (or .cse5 .cse26 .cse10 .cse33) (or .cse30 .cse33 .cse12 .cse3 (and .cse15 .cse20 .cse21 .cse32)) (or .cse5 .cse3 .cse12 (and .cse25 .cse36 .cse18 .cse32) .cse4) (or .cse1 .cse16 .cse5) (or .cse10 .cse37) (or .cse30 (or (not (= calculate_output_~input 3)) (< 0 (+ ~a18~0 156))) .cse37))))) [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,903 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,904 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,905 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,906 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,907 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,908 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,909 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse28 (= |old(~a16~0)| ~a16~0)) (.cse27 (= 8 |old(~a12~0)|)) (.cse29 (= |old(~a15~0)| ~a15~0)) (.cse18 (= ~a16~0 |old(~a16~0)|)) (.cse22 (= ~a18~0 |old(~a18~0)|)) (.cse21 (= |old(~a12~0)| ~a12~0)) (.cse0 (= 12 |old(~a16~0)|)) (.cse25 (= 6 |old(~a12~0)|)) (.cse4 (= 11 |old(~a16~0)|)) (.cse5 (= 4 |old(~a15~0)|))) (let ((.cse12 (not (= 5 |old(~a12~0)|))) (.cse8 (< 7 |old(~a12~0)|)) (.cse11 (not .cse5)) (.cse14 (not (= 3 |old(~a15~0)|))) (.cse19 (= 3 ~a15~0)) (.cse17 (not .cse4)) (.cse23 (not (= 9 |old(~a12~0)|))) (.cse9 (< |old(~a15~0)| 4)) (.cse24 (not (= 9 |old(~a16~0)|))) (.cse16 (not (= 7 |old(~a12~0)|))) (.cse26 (< |old(~a12~0)| 6)) (.cse2 (= 10 |old(~a16~0)|)) (.cse3 (not .cse25)) (.cse15 (< 0 (+ |old(~a18~0)| 79))) (.cse20 (<= (+ ~a18~0 79) 0)) (.cse10 (not .cse0)) (.cse7 (and .cse29 .cse18 .cse22 .cse21)) (.cse6 (not .cse27)) (.cse13 (not (= 8 |old(~a16~0)|))) (.cse1 (and .cse28 .cse29 .cse21))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1) (or .cse0 (forall ((v_~a18~0_1172 Int)) (or (not (= (+ (* 3 v_~a18~0_1172) 599175) |old(~a18~0)|)) (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0))) .cse7 .cse8 .cse4 .cse9) (or (or .cse5 .cse10 .cse3) .cse7) (or .cse7 (or .cse11 .cse12 .cse13)) (or .cse7 .cse14 .cse12 (= 0 |old(~a16~0)|) (= |calculate_output_#in~input| 0)) (or .cse7 .cse0 .cse15 .cse8 .cse4 .cse9) (or .cse5 .cse16 .cse17 .cse7) (or .cse14 (<= |old(~a18~0)| 134) (and .cse18 .cse19 (or .cse20 (< 134 ~a18~0)) .cse21) .cse3 .cse4) (or .cse11 .cse13 .cse6 .cse7) (or (or .cse5 .cse6 .cse17) .cse22) (or .cse5 .cse3 (forall ((v_~a18~0_1172 Int)) (or (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0) (< (div (+ (* 27 v_~a18~0_1172) 5392575) 10) (+ |old(~a18~0)| 557770)))) .cse22 .cse4) (or .cse5 .cse16 .cse1) (or .cse14 .cse17 .cse15 (and .cse18 .cse19 .cse22 .cse21) .cse3) (or (or .cse5 .cse17) .cse23 .cse7) (or .cse0 .cse7 .cse3 .cse4 .cse9) (or .cse13 .cse23 .cse7) (or .cse5 .cse6 .cse15 .cse20) (or .cse5 .cse16 .cse15 .cse20) (or (or .cse6 .cse24 .cse9) .cse7) (or .cse25 .cse0 .cse26 .cse27 .cse2 .cse15 .cse7 .cse4) (or .cse20 .cse13 .cse15) (or .cse7 (or .cse16 .cse24)) (or .cse13 .cse16 .cse7) (or .cse7 .cse25 .cse5 .cse26 .cse27 .cse2 .cse4) (or .cse5 .cse3 .cse15 (and .cse20 .cse28 .cse29 .cse21) .cse4) (or .cse5 .cse10 .cse7 .cse6) (or .cse13 .cse5 .cse1)))) [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,910 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,911 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,912 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,913 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,914 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 14:37:50,915 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,916 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,917 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,918 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:37:50,919 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-11-23 14:37:50,920 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:37:50,920 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:37:50,920 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)))) [2018-11-23 14:37:50,920 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 14:37:50,920 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse9 (<= (+ ~a18~0 79) 0)) (.cse2 (not (= ~a15~0 4))) (.cse11 (not (= ~a16~0 12))) (.cse20 (not (= ~a12~0 8)))) (let ((.cse8 (= 9 ~a16~0)) (.cse12 (<= ~a12~0 7)) (.cse13 (not (= main_~input~0 0))) (.cse15 (= ~a12~0 5)) (.cse16 (+ |old(~a18~0)| 87)) (.cse4 (= 8 ~a12~0)) (.cse10 (<= 4 ~a15~0)) (.cse17 (<= |old(~a18~0)| ~a18~0)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse19 (and (and .cse9 .cse2 .cse11) .cse20)) (.cse18 (= 6 ~a12~0)) (.cse14 (= ~a15~0 3)) (.cse6 (= 8 ~a16~0)) (.cse7 (= 7 ~a12~0)) (.cse0 (not (= 10 ~a16~0))) (.cse1 (not (= ~a16~0 11))) (.cse3 (<= 6 ~a12~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 3 |old(~a15~0)|)) (and .cse4 .cse5) (and (= 5 ~a12~0) .cse6) (and .cse7 .cse8) (and .cse6 (= 9 ~a12~0)) (and .cse9 .cse1 .cse10 .cse11 .cse12) (and (not (= ~a16~0 0)) .cse13 .cse14 .cse15 .cse1) (not (= 5 |old(~a12~0)|)) (and .cse8 .cse4) (and .cse4 .cse1 .cse2) (< 0 .cse16) (and .cse0 (= ~a12~0 9) .cse5) (and (exists ((v_~a18~0_1172 Int)) (and (< 0 (+ v_~a18~0_1172 156)) (<= (+ v_~a18~0_1172 79) 0) (= ~a18~0 (+ (* 3 v_~a18~0_1172) 599175)))) .cse1 .cse10 .cse11 .cse12) (and .cse17 (= ~a16~0 |old(~a16~0)|) .cse13 .cse15 (= ~a15~0 |old(~a15~0)|)) (< .cse16 0) (and .cse4 .cse6) (and .cse18 .cse1 .cse10 .cse11) (and .cse18 .cse19 .cse17 .cse5) (and .cse6 .cse2) (and .cse1 .cse2 .cse7) (and .cse7 .cse5) (and .cse18 .cse1 .cse19) (and .cse18 .cse1 .cse14 (< 134 ~a18~0)) (and .cse6 .cse7) (and .cse0 .cse20 .cse9 .cse1 .cse11 .cse3)))) [2018-11-23 14:37:50,920 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-23 14:37:50,920 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-23 14:37:50,921 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse18 (= ~a15~0 3)) (.cse9 (<= (+ ~a18~0 79) 0)) (.cse2 (not (= ~a15~0 4))) (.cse11 (not (= ~a16~0 12))) (.cse19 (not (= ~a12~0 8)))) (let ((.cse8 (= 9 ~a16~0)) (.cse12 (<= ~a12~0 7)) (.cse15 (+ |old(~a18~0)| 87)) (.cse4 (= 8 ~a12~0)) (.cse10 (<= 4 ~a15~0)) (.cse13 (<= |old(~a18~0)| ~a18~0)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse17 (and (and .cse9 .cse2 .cse11) .cse19)) (.cse16 (= 6 ~a12~0)) (.cse14 (and (not (= ~a16~0 0)) .cse18 (= ~a12~0 5))) (.cse6 (= 8 ~a16~0)) (.cse7 (= 7 ~a12~0)) (.cse0 (not (= 10 ~a16~0))) (.cse1 (not (= ~a16~0 11))) (.cse3 (<= 6 ~a12~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 3 |old(~a15~0)|)) (and .cse4 .cse5) (and (= 5 ~a12~0) .cse6) (and .cse7 .cse8) (and .cse6 (= 9 ~a12~0)) (and .cse9 .cse1 .cse10 .cse11 .cse12) (and .cse13 .cse14) (not (= 5 |old(~a12~0)|)) (and .cse8 .cse4) (and .cse4 .cse1 .cse2) (< 0 .cse15) (and .cse0 (= ~a12~0 9) .cse5) (and (exists ((v_~a18~0_1172 Int)) (and (< 0 (+ v_~a18~0_1172 156)) (<= (+ v_~a18~0_1172 79) 0) (= ~a18~0 (+ (* 3 v_~a18~0_1172) 599175)))) .cse1 .cse10 .cse11 .cse12) (< .cse15 0) (and .cse4 .cse6) (and .cse16 .cse1 .cse10 .cse11) (and .cse16 .cse17 .cse13 .cse5) (and .cse6 .cse2) (and .cse1 .cse2 .cse7) (and .cse7 .cse5) (and .cse16 .cse1 .cse17) (and .cse16 .cse1 .cse18 (< 134 ~a18~0)) (and .cse1 .cse14) (and .cse6 .cse7) (and .cse0 .cse19 .cse9 .cse1 .cse11 .cse3)))) [2018-11-23 14:37:50,921 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 14:37:50,924 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-23 14:37:50,925 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-23 14:37:50,925 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-23 14:37:50,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-23 14:37:50,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-23 14:37:50,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-23 14:37:50,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:37:50 BoogieIcfgContainer [2018-11-23 14:37:50,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:37:50,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:37:50,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:37:50,937 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:37:50,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:39" (3/4) ... [2018-11-23 14:37:50,940 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:37:50,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:37:50,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 14:37:50,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 14:37:50,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:37:50,977 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 14:37:50,979 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 14:37:51,012 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((!(11 == \old(a16)) || (((!(10 == a16) && !(a16 == 11)) && !(a15 == 4)) && 6 <= a12)) || !(3 == \old(a15))) || (8 == a12 && \old(a15) == a15)) || (5 == a12 && 8 == a16)) || (7 == a12 && 9 == a16)) || (8 == a16 && 9 == a12)) || ((((a18 + 79 <= 0 && !(a16 == 11)) && 4 <= a15) && !(a16 == 12)) && a12 <= 7)) || (\old(a18) <= a18 && (!(a16 == 0) && a15 == 3) && a12 == 5)) || !(5 == \old(a12))) || (9 == a16 && 8 == a12)) || ((8 == a12 && !(a16 == 11)) && !(a15 == 4))) || 0 < \old(a18) + 87) || ((!(10 == a16) && a12 == 9) && \old(a15) == a15)) || (((((\exists v_~a18~0_1172 : int :: (0 < v_~a18~0_1172 + 156 && v_~a18~0_1172 + 79 <= 0) && a18 == 3 * v_~a18~0_1172 + 599175) && !(a16 == 11)) && 4 <= a15) && !(a16 == 12)) && a12 <= 7)) || \old(a18) + 87 < 0) || (8 == a12 && 8 == a16)) || (((6 == a12 && !(a16 == 11)) && 4 <= a15) && !(a16 == 12))) || (((6 == a12 && ((a18 + 79 <= 0 && !(a15 == 4)) && !(a16 == 12)) && !(a12 == 8)) && \old(a18) <= a18) && \old(a15) == a15)) || (8 == a16 && !(a15 == 4))) || ((!(a16 == 11) && !(a15 == 4)) && 7 == a12)) || (7 == a12 && \old(a15) == a15)) || ((6 == a12 && !(a16 == 11)) && ((a18 + 79 <= 0 && !(a15 == 4)) && !(a16 == 12)) && !(a12 == 8))) || (((6 == a12 && !(a16 == 11)) && a15 == 3) && 134 < a18)) || (!(a16 == 11) && (!(a16 == 0) && a15 == 3) && a12 == 5)) || (8 == a16 && 7 == a12)) || (((((!(10 == a16) && !(a12 == 8)) && a18 + 79 <= 0) && !(a16 == 11)) && !(a16 == 12)) && 6 <= a12) [2018-11-23 14:37:51,180 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c0b8a600-85a8-42f6-beb3-f8e0e94d77c0/bin-2019/utaipan/witness.graphml [2018-11-23 14:37:51,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:37:51,180 INFO L168 Benchmark]: Toolchain (without parser) took 373685.86 ms. Allocated memory was 1.0 GB in the beginning and 5.5 GB in the end (delta: 4.4 GB). Free memory was 953.9 MB in the beginning and 948.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-23 14:37:51,181 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:37:51,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 77.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:37:51,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.92 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:37:51,182 INFO L168 Benchmark]: Boogie Preprocessor took 80.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:37:51,182 INFO L168 Benchmark]: RCFGBuilder took 1558.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.0 MB in the end (delta: 246.2 MB). Peak memory consumption was 246.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:37:51,182 INFO L168 Benchmark]: TraceAbstraction took 371054.61 ms. Allocated memory was 1.2 GB in the beginning and 5.5 GB in the end (delta: 4.3 GB). Free memory was 878.0 MB in the beginning and 1.0 GB in the end (delta: -150.5 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-23 14:37:51,182 INFO L168 Benchmark]: Witness Printer took 243.05 ms. Allocated memory is still 5.5 GB. Free memory was 1.0 GB in the beginning and 948.8 MB in the end (delta: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:37:51,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 711.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 77.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.92 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1558.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.0 MB in the end (delta: 246.2 MB). Peak memory consumption was 246.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 371054.61 ms. Allocated memory was 1.2 GB in the beginning and 5.5 GB in the end (delta: 4.3 GB). Free memory was 878.0 MB in the beginning and 1.0 GB in the end (delta: -150.5 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. * Witness Printer took 243.05 ms. Allocated memory is still 5.5 GB. Free memory was 1.0 GB in the beginning and 948.8 MB in the end (delta: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant [2018-11-23 14:37:51,187 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-23 14:37:51,187 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-23 14:37:51,188 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-23 14:37:51,189 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-23 14:37:51,189 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-23 14:37:51,189 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((!(11 == \old(a16)) || (((!(10 == a16) && !(a16 == 11)) && !(a15 == 4)) && 6 <= a12)) || !(3 == \old(a15))) || (8 == a12 && \old(a15) == a15)) || (5 == a12 && 8 == a16)) || (7 == a12 && 9 == a16)) || (8 == a16 && 9 == a12)) || ((((a18 + 79 <= 0 && !(a16 == 11)) && 4 <= a15) && !(a16 == 12)) && a12 <= 7)) || (\old(a18) <= a18 && (!(a16 == 0) && a15 == 3) && a12 == 5)) || !(5 == \old(a12))) || (9 == a16 && 8 == a12)) || ((8 == a12 && !(a16 == 11)) && !(a15 == 4))) || 0 < \old(a18) + 87) || ((!(10 == a16) && a12 == 9) && \old(a15) == a15)) || (((((\exists v_~a18~0_1172 : int :: (0 < v_~a18~0_1172 + 156 && v_~a18~0_1172 + 79 <= 0) && a18 == 3 * v_~a18~0_1172 + 599175) && !(a16 == 11)) && 4 <= a15) && !(a16 == 12)) && a12 <= 7)) || \old(a18) + 87 < 0) || (8 == a12 && 8 == a16)) || (((6 == a12 && !(a16 == 11)) && 4 <= a15) && !(a16 == 12))) || (((6 == a12 && ((a18 + 79 <= 0 && !(a15 == 4)) && !(a16 == 12)) && !(a12 == 8)) && \old(a18) <= a18) && \old(a15) == a15)) || (8 == a16 && !(a15 == 4))) || ((!(a16 == 11) && !(a15 == 4)) && 7 == a12)) || (7 == a12 && \old(a15) == a15)) || ((6 == a12 && !(a16 == 11)) && ((a18 + 79 <= 0 && !(a15 == 4)) && !(a16 == 12)) && !(a12 == 8))) || (((6 == a12 && !(a16 == 11)) && a15 == 3) && 134 < a18)) || (!(a16 == 11) && (!(a16 == 0) && a15 == 3) && a12 == 5)) || (8 == a16 && 7 == a12)) || (((((!(10 == a16) && !(a12 == 8)) && a18 + 79 <= 0) && !(a16 == 11)) && !(a16 == 12)) && 6 <= a12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 370.9s OverallTime, 19 OverallIterations, 13 TraceHistogramMax, 292.4s AutomataDifference, 0.0s DeadEndRemovalTime, 14.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 3212 SDtfs, 57700 SDslu, 5977 SDs, 0 SdLazy, 134388 SolverSat, 9822 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 257.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 31232 GetRequests, 30727 SyntacticMatches, 44 SemanticMatches, 461 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8413 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27554occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.8s AbstIntTime, 13 AbstIntIterations, 4 AbstIntStrong, 0.9983529942850988 AbsIntWeakeningRatio, 0.04995070653959908 AbsIntAvgWeakeningVarsNumRemoved, 16.194544857048964 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 19 MinimizatonAttempts, 6633 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2641 PreInvPairs, 5402 NumberOfFragments, 3369 HoareAnnotationTreeSize, 2641 FomulaSimplifications, 116094 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 107308 FormulaSimplificationTreeSizeReductionInter, 12.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 23.9s InterpolantComputationTime, 32235 NumberOfCodeBlocks, 32235 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 45958 ConstructedInterpolants, 68 QuantifiedInterpolants, 285638661 SizeOfPredicates, 8 NumberOfNonLiveVariables, 17675 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 37 InterpolantComputations, 8 PerfectInterpolantSequences, 122347/139798 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...