./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:00:23,389 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:00:23,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:00:23,397 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:00:23,397 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:00:23,397 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:00:23,398 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:00:23,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:00:23,401 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:00:23,401 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:00:23,402 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:00:23,402 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:00:23,403 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:00:23,403 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:00:23,404 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:00:23,404 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:00:23,405 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:00:23,407 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:00:23,408 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:00:23,408 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:00:23,409 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:00:23,410 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:00:23,411 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:00:23,411 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:00:23,412 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:00:23,412 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:00:23,413 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:00:23,413 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:00:23,413 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:00:23,414 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:00:23,414 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:00:23,415 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:00:23,415 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:00:23,415 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:00:23,416 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:00:23,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:00:23,416 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:00:23,423 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:00:23,423 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:00:23,424 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:00:23,424 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:00:23,424 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:00:23,424 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:00:23,425 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:00:23,425 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:00:23,425 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:00:23,425 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:00:23,425 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:00:23,425 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:00:23,425 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:00:23,425 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:00:23,426 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:00:23,426 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:00:23,426 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:00:23,426 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:00:23,426 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:00:23,426 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:00:23,426 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:00:23,426 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:00:23,426 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:00:23,427 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:00:23,427 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:00:23,427 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:00:23,427 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:00:23,427 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:00:23,427 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:00:23,427 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:00:23,427 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer 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 -> Automizer 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 -> d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc [2018-11-23 08:00:23,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:00:23,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:00:23,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:00:23,466 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:00:23,466 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:00:23,467 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-11-23 08:00:23,510 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/data/422027d92/3434e1ba53ee401fa69cd2ce7e49c1ea/FLAG4c52302ef [2018-11-23 08:00:23,879 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:00:23,880 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-11-23 08:00:23,889 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/data/422027d92/3434e1ba53ee401fa69cd2ce7e49c1ea/FLAG4c52302ef [2018-11-23 08:00:23,900 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/data/422027d92/3434e1ba53ee401fa69cd2ce7e49c1ea [2018-11-23 08:00:23,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:00:23,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:00:23,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:00:23,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:00:23,908 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:00:23,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:00:23" (1/1) ... [2018-11-23 08:00:23,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342d28a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:23, skipping insertion in model container [2018-11-23 08:00:23,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:00:23" (1/1) ... [2018-11-23 08:00:23,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:00:23,954 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:00:24,218 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:00:24,221 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:00:24,308 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:00:24,320 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:00:24,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:24 WrapperNode [2018-11-23 08:00:24,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:00:24,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:00:24,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:00:24,322 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:00:24,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:24" (1/1) ... [2018-11-23 08:00:24,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:24" (1/1) ... [2018-11-23 08:00:24,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:00:24,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:00:24,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:00:24,399 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:00:24,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:24" (1/1) ... [2018-11-23 08:00:24,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:24" (1/1) ... [2018-11-23 08:00:24,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:24" (1/1) ... [2018-11-23 08:00:24,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:24" (1/1) ... [2018-11-23 08:00:24,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:24" (1/1) ... [2018-11-23 08:00:24,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:24" (1/1) ... [2018-11-23 08:00:24,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:24" (1/1) ... [2018-11-23 08:00:24,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:00:24,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:00:24,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:00:24,456 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:00:24,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/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 08:00:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 08:00:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:00:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:00:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 08:00:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 08:00:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:00:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:00:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:00:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:00:25,396 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:00:25,396 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 08:00:25,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:00:25 BoogieIcfgContainer [2018-11-23 08:00:25,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:00:25,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:00:25,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:00:25,400 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:00:25,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:00:23" (1/3) ... [2018-11-23 08:00:25,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46579931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:00:25, skipping insertion in model container [2018-11-23 08:00:25,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:00:24" (2/3) ... [2018-11-23 08:00:25,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46579931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:00:25, skipping insertion in model container [2018-11-23 08:00:25,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:00:25" (3/3) ... [2018-11-23 08:00:25,402 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label55_true-unreach-call_false-termination.c [2018-11-23 08:00:25,408 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:00:25,413 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:00:25,423 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:00:25,445 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:00:25,445 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:00:25,446 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:00:25,446 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:00:25,446 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:00:25,446 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:00:25,446 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:00:25,446 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:00:25,446 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:00:25,464 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-23 08:00:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 08:00:25,470 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:25,471 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:00:25,473 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:25,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:25,476 INFO L82 PathProgramCache]: Analyzing trace with hash 606791250, now seen corresponding path program 1 times [2018-11-23 08:00:25,478 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:25,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:25,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:25,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:25,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:25,708 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 08:00:25,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:00:25,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:00:25,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:00:25,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:00:25,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:00:25,722 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-11-23 08:00:26,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:26,688 INFO L93 Difference]: Finished difference Result 890 states and 1607 transitions. [2018-11-23 08:00:26,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:00:26,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-11-23 08:00:26,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:26,702 INFO L225 Difference]: With dead ends: 890 [2018-11-23 08:00:26,703 INFO L226 Difference]: Without dead ends: 630 [2018-11-23 08:00:26,707 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 08:00:26,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-11-23 08:00:26,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2018-11-23 08:00:26,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2018-11-23 08:00:26,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 1004 transitions. [2018-11-23 08:00:26,766 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 1004 transitions. Word has length 63 [2018-11-23 08:00:26,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:26,766 INFO L480 AbstractCegarLoop]: Abstraction has 630 states and 1004 transitions. [2018-11-23 08:00:26,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:00:26,767 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1004 transitions. [2018-11-23 08:00:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 08:00:26,773 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:26,774 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:26,778 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:26,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:26,778 INFO L82 PathProgramCache]: Analyzing trace with hash 905975074, now seen corresponding path program 1 times [2018-11-23 08:00:26,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:26,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:26,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:26,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:26,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:00:26,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:00:26,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:00:26,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:00:26,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:00:26,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:00:26,929 INFO L87 Difference]: Start difference. First operand 630 states and 1004 transitions. Second operand 4 states. [2018-11-23 08:00:27,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:27,864 INFO L93 Difference]: Finished difference Result 2346 states and 3914 transitions. [2018-11-23 08:00:27,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:00:27,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 175 [2018-11-23 08:00:27,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:27,875 INFO L225 Difference]: With dead ends: 2346 [2018-11-23 08:00:27,875 INFO L226 Difference]: Without dead ends: 1722 [2018-11-23 08:00:27,880 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 08:00:27,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2018-11-23 08:00:27,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1722. [2018-11-23 08:00:27,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1722 states. [2018-11-23 08:00:27,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2612 transitions. [2018-11-23 08:00:27,925 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2612 transitions. Word has length 175 [2018-11-23 08:00:27,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:27,926 INFO L480 AbstractCegarLoop]: Abstraction has 1722 states and 2612 transitions. [2018-11-23 08:00:27,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:00:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2612 transitions. [2018-11-23 08:00:27,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-23 08:00:27,933 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:27,933 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2018-11-23 08:00:27,933 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:27,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:27,933 INFO L82 PathProgramCache]: Analyzing trace with hash 338201322, now seen corresponding path program 1 times [2018-11-23 08:00:27,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:27,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:27,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:27,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:27,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:28,110 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:00:28,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:00:28,111 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/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 08:00:28,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:28,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:00:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:00:28,317 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:00:28,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 08:00:28,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:00:28,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:00:28,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:00:28,319 INFO L87 Difference]: Start difference. First operand 1722 states and 2612 transitions. Second operand 9 states. [2018-11-23 08:00:30,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:30,499 INFO L93 Difference]: Finished difference Result 5252 states and 8744 transitions. [2018-11-23 08:00:30,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 08:00:30,500 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 257 [2018-11-23 08:00:30,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:30,521 INFO L225 Difference]: With dead ends: 5252 [2018-11-23 08:00:30,521 INFO L226 Difference]: Without dead ends: 2923 [2018-11-23 08:00:30,543 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:00:30,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2923 states. [2018-11-23 08:00:30,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2923 to 2871. [2018-11-23 08:00:30,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2871 states. [2018-11-23 08:00:30,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 4078 transitions. [2018-11-23 08:00:30,629 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 4078 transitions. Word has length 257 [2018-11-23 08:00:30,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:30,630 INFO L480 AbstractCegarLoop]: Abstraction has 2871 states and 4078 transitions. [2018-11-23 08:00:30,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:00:30,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 4078 transitions. [2018-11-23 08:00:30,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 08:00:30,638 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:30,638 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:00:30,639 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:30,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:30,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1856536414, now seen corresponding path program 1 times [2018-11-23 08:00:30,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:30,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:30,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:30,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:30,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:30,999 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-11-23 08:00:31,319 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:00:31,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:00:31,319 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/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 08:00:31,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:31,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:00:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 08:00:31,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:00:31,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2018-11-23 08:00:31,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 08:00:31,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 08:00:31,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-23 08:00:31,474 INFO L87 Difference]: Start difference. First operand 2871 states and 4078 transitions. Second operand 12 states. [2018-11-23 08:00:34,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:34,216 INFO L93 Difference]: Finished difference Result 10150 states and 16633 transitions. [2018-11-23 08:00:34,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 08:00:34,216 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 261 [2018-11-23 08:00:34,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:34,272 INFO L225 Difference]: With dead ends: 10150 [2018-11-23 08:00:34,273 INFO L226 Difference]: Without dead ends: 7285 [2018-11-23 08:00:34,309 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2018-11-23 08:00:34,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7285 states. [2018-11-23 08:00:34,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7285 to 7016. [2018-11-23 08:00:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7016 states. [2018-11-23 08:00:34,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7016 states to 7016 states and 9851 transitions. [2018-11-23 08:00:34,519 INFO L78 Accepts]: Start accepts. Automaton has 7016 states and 9851 transitions. Word has length 261 [2018-11-23 08:00:34,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:34,519 INFO L480 AbstractCegarLoop]: Abstraction has 7016 states and 9851 transitions. [2018-11-23 08:00:34,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 08:00:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 7016 states and 9851 transitions. [2018-11-23 08:00:34,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-23 08:00:34,535 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:34,535 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:00:34,535 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:34,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:34,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1816227822, now seen corresponding path program 1 times [2018-11-23 08:00:34,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:34,536 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:34,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:34,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:34,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:34,675 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:00:34,675 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:00:34,675 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/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 08:00:34,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:34,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:00:34,801 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:00:34,826 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:00:34,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 08:00:34,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:00:34,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:00:34,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:00:34,828 INFO L87 Difference]: Start difference. First operand 7016 states and 9851 transitions. Second operand 9 states. [2018-11-23 08:00:36,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:36,208 INFO L93 Difference]: Finished difference Result 13851 states and 19717 transitions. [2018-11-23 08:00:36,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 08:00:36,209 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 269 [2018-11-23 08:00:36,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:36,235 INFO L225 Difference]: With dead ends: 13851 [2018-11-23 08:00:36,235 INFO L226 Difference]: Without dead ends: 5639 [2018-11-23 08:00:36,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-11-23 08:00:36,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5639 states. [2018-11-23 08:00:36,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5639 to 5394. [2018-11-23 08:00:36,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5394 states. [2018-11-23 08:00:36,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5394 states to 5394 states and 6915 transitions. [2018-11-23 08:00:36,383 INFO L78 Accepts]: Start accepts. Automaton has 5394 states and 6915 transitions. Word has length 269 [2018-11-23 08:00:36,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:36,383 INFO L480 AbstractCegarLoop]: Abstraction has 5394 states and 6915 transitions. [2018-11-23 08:00:36,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:00:36,383 INFO L276 IsEmpty]: Start isEmpty. Operand 5394 states and 6915 transitions. [2018-11-23 08:00:36,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 08:00:36,395 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:36,395 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:00:36,395 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:36,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:36,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1823817087, now seen corresponding path program 1 times [2018-11-23 08:00:36,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:36,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:36,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:36,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:36,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:36,611 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 162 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:00:36,611 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:00:36,611 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/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 08:00:36,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:36,676 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:00:36,715 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-23 08:00:36,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:00:36,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2018-11-23 08:00:36,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:00:36,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:00:36,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:00:36,732 INFO L87 Difference]: Start difference. First operand 5394 states and 6915 transitions. Second operand 9 states. [2018-11-23 08:00:38,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:38,525 INFO L93 Difference]: Finished difference Result 12971 states and 18010 transitions. [2018-11-23 08:00:38,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 08:00:38,526 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 280 [2018-11-23 08:00:38,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:38,541 INFO L225 Difference]: With dead ends: 12971 [2018-11-23 08:00:38,541 INFO L226 Difference]: Without dead ends: 5656 [2018-11-23 08:00:38,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2018-11-23 08:00:38,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5656 states. [2018-11-23 08:00:38,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5656 to 5334. [2018-11-23 08:00:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5334 states. [2018-11-23 08:00:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5334 states to 5334 states and 6224 transitions. [2018-11-23 08:00:38,635 INFO L78 Accepts]: Start accepts. Automaton has 5334 states and 6224 transitions. Word has length 280 [2018-11-23 08:00:38,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:38,636 INFO L480 AbstractCegarLoop]: Abstraction has 5334 states and 6224 transitions. [2018-11-23 08:00:38,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:00:38,636 INFO L276 IsEmpty]: Start isEmpty. Operand 5334 states and 6224 transitions. [2018-11-23 08:00:38,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-23 08:00:38,643 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:38,643 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:38,643 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:38,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:38,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1614419441, now seen corresponding path program 1 times [2018-11-23 08:00:38,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:38,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:38,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:38,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:38,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 246 proven. 76 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-23 08:00:38,790 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:00:38,790 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/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 08:00:38,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:38,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:00:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-23 08:00:38,988 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:00:38,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 08:00:38,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:00:38,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:00:38,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:00:38,989 INFO L87 Difference]: Start difference. First operand 5334 states and 6224 transitions. Second operand 9 states. [2018-11-23 08:00:39,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:39,951 INFO L93 Difference]: Finished difference Result 12072 states and 14313 transitions. [2018-11-23 08:00:39,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 08:00:39,952 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 392 [2018-11-23 08:00:39,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:39,963 INFO L225 Difference]: With dead ends: 12072 [2018-11-23 08:00:39,963 INFO L226 Difference]: Without dead ends: 6440 [2018-11-23 08:00:39,970 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2018-11-23 08:00:39,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6440 states. [2018-11-23 08:00:40,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6440 to 6372. [2018-11-23 08:00:40,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6372 states. [2018-11-23 08:00:40,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6372 states to 6372 states and 7209 transitions. [2018-11-23 08:00:40,085 INFO L78 Accepts]: Start accepts. Automaton has 6372 states and 7209 transitions. Word has length 392 [2018-11-23 08:00:40,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:40,086 INFO L480 AbstractCegarLoop]: Abstraction has 6372 states and 7209 transitions. [2018-11-23 08:00:40,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:00:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 6372 states and 7209 transitions. [2018-11-23 08:00:40,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2018-11-23 08:00:40,095 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:40,096 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:00:40,096 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:40,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:40,096 INFO L82 PathProgramCache]: Analyzing trace with hash -795394390, now seen corresponding path program 1 times [2018-11-23 08:00:40,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:40,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:40,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:40,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:40,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 168 proven. 238 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-23 08:00:40,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:00:40,328 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/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 08:00:40,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:40,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:00:40,501 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-11-23 08:00:40,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:00:40,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-23 08:00:40,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:00:40,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:00:40,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:00:40,517 INFO L87 Difference]: Start difference. First operand 6372 states and 7209 transitions. Second operand 9 states. [2018-11-23 08:00:41,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:41,014 INFO L93 Difference]: Finished difference Result 10850 states and 12105 transitions. [2018-11-23 08:00:41,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:00:41,014 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 449 [2018-11-23 08:00:41,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:41,026 INFO L225 Difference]: With dead ends: 10850 [2018-11-23 08:00:41,026 INFO L226 Difference]: Without dead ends: 4878 [2018-11-23 08:00:41,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 451 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:00:41,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4878 states. [2018-11-23 08:00:41,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4878 to 4824. [2018-11-23 08:00:41,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4824 states. [2018-11-23 08:00:41,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4824 states to 4824 states and 5106 transitions. [2018-11-23 08:00:41,117 INFO L78 Accepts]: Start accepts. Automaton has 4824 states and 5106 transitions. Word has length 449 [2018-11-23 08:00:41,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:41,118 INFO L480 AbstractCegarLoop]: Abstraction has 4824 states and 5106 transitions. [2018-11-23 08:00:41,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:00:41,118 INFO L276 IsEmpty]: Start isEmpty. Operand 4824 states and 5106 transitions. [2018-11-23 08:00:41,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2018-11-23 08:00:41,140 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:41,140 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 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 08:00:41,140 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:41,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:41,141 INFO L82 PathProgramCache]: Analyzing trace with hash -201479583, now seen corresponding path program 1 times [2018-11-23 08:00:41,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:41,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:41,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:41,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:41,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:42,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 564 proven. 782 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 08:00:42,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:00:42,251 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/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 08:00:42,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:42,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:00:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2018-11-23 08:00:42,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:00:42,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2018-11-23 08:00:42,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 08:00:42,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 08:00:42,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-23 08:00:42,569 INFO L87 Difference]: Start difference. First operand 4824 states and 5106 transitions. Second operand 19 states. [2018-11-23 08:00:45,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:45,183 INFO L93 Difference]: Finished difference Result 9690 states and 10382 transitions. [2018-11-23 08:00:45,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-23 08:00:45,183 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 700 [2018-11-23 08:00:45,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:45,188 INFO L225 Difference]: With dead ends: 9690 [2018-11-23 08:00:45,188 INFO L226 Difference]: Without dead ends: 3908 [2018-11-23 08:00:45,192 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 723 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=500, Invalid=1950, Unknown=0, NotChecked=0, Total=2450 [2018-11-23 08:00:45,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2018-11-23 08:00:45,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3852. [2018-11-23 08:00:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3852 states. [2018-11-23 08:00:45,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3852 states and 4039 transitions. [2018-11-23 08:00:45,227 INFO L78 Accepts]: Start accepts. Automaton has 3852 states and 4039 transitions. Word has length 700 [2018-11-23 08:00:45,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:45,228 INFO L480 AbstractCegarLoop]: Abstraction has 3852 states and 4039 transitions. [2018-11-23 08:00:45,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 08:00:45,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 4039 transitions. [2018-11-23 08:00:45,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2018-11-23 08:00:45,237 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:45,237 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 08:00:45,238 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:45,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:45,238 INFO L82 PathProgramCache]: Analyzing trace with hash -2014721534, now seen corresponding path program 1 times [2018-11-23 08:00:45,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:45,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:45,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:45,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:45,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:46,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2062 backedges. 519 proven. 1073 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2018-11-23 08:00:46,004 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:00:46,004 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/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 08:00:46,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:46,109 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:00:46,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2062 backedges. 1505 proven. 2 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-11-23 08:00:46,429 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:00:46,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-23 08:00:46,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 08:00:46,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 08:00:46,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:00:46,430 INFO L87 Difference]: Start difference. First operand 3852 states and 4039 transitions. Second operand 11 states. [2018-11-23 08:00:47,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:47,811 INFO L93 Difference]: Finished difference Result 7364 states and 7785 transitions. [2018-11-23 08:00:47,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 08:00:47,811 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 831 [2018-11-23 08:00:47,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:47,816 INFO L225 Difference]: With dead ends: 7364 [2018-11-23 08:00:47,816 INFO L226 Difference]: Without dead ends: 3884 [2018-11-23 08:00:47,819 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 876 GetRequests, 847 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=651, Unknown=0, NotChecked=0, Total=870 [2018-11-23 08:00:47,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2018-11-23 08:00:47,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3370. [2018-11-23 08:00:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3370 states. [2018-11-23 08:00:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 3531 transitions. [2018-11-23 08:00:47,851 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 3531 transitions. Word has length 831 [2018-11-23 08:00:47,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:47,852 INFO L480 AbstractCegarLoop]: Abstraction has 3370 states and 3531 transitions. [2018-11-23 08:00:47,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 08:00:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 3531 transitions. [2018-11-23 08:00:47,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 894 [2018-11-23 08:00:47,857 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:47,858 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, 8, 8, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 08:00:47,858 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:47,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:47,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1557221466, now seen corresponding path program 1 times [2018-11-23 08:00:47,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:47,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:47,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:47,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:47,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:48,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 840 proven. 1130 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2018-11-23 08:00:48,850 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:00:48,850 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/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 08:00:48,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:48,956 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:00:49,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 1783 proven. 2 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2018-11-23 08:00:49,285 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:00:49,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-23 08:00:49,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 08:00:49,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 08:00:49,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2018-11-23 08:00:49,287 INFO L87 Difference]: Start difference. First operand 3370 states and 3531 transitions. Second operand 17 states. [2018-11-23 08:00:51,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:51,361 INFO L93 Difference]: Finished difference Result 6549 states and 6984 transitions. [2018-11-23 08:00:51,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-23 08:00:51,361 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 893 [2018-11-23 08:00:51,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:51,366 INFO L225 Difference]: With dead ends: 6549 [2018-11-23 08:00:51,366 INFO L226 Difference]: Without dead ends: 3298 [2018-11-23 08:00:51,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 957 GetRequests, 908 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=548, Invalid=2002, Unknown=0, NotChecked=0, Total=2550 [2018-11-23 08:00:51,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3298 states. [2018-11-23 08:00:51,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3298 to 3175. [2018-11-23 08:00:51,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3175 states. [2018-11-23 08:00:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 3175 states and 3300 transitions. [2018-11-23 08:00:51,413 INFO L78 Accepts]: Start accepts. Automaton has 3175 states and 3300 transitions. Word has length 893 [2018-11-23 08:00:51,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:51,414 INFO L480 AbstractCegarLoop]: Abstraction has 3175 states and 3300 transitions. [2018-11-23 08:00:51,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 08:00:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 3300 transitions. [2018-11-23 08:00:51,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2018-11-23 08:00:51,423 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:51,423 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, 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, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:51,423 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:51,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:51,424 INFO L82 PathProgramCache]: Analyzing trace with hash -706496335, now seen corresponding path program 1 times [2018-11-23 08:00:51,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:51,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:51,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:51,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:51,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 660 proven. 224 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2018-11-23 08:00:51,767 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:00:51,768 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:00:51,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:51,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:00:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 1689 proven. 2 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2018-11-23 08:00:52,119 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:00:52,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-23 08:00:52,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:00:52,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:00:52,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:00:52,120 INFO L87 Difference]: Start difference. First operand 3175 states and 3300 transitions. Second operand 7 states. [2018-11-23 08:00:52,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:52,540 INFO L93 Difference]: Finished difference Result 6534 states and 6819 transitions. [2018-11-23 08:00:52,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:00:52,540 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 900 [2018-11-23 08:00:52,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:52,545 INFO L225 Difference]: With dead ends: 6534 [2018-11-23 08:00:52,546 INFO L226 Difference]: Without dead ends: 3731 [2018-11-23 08:00:52,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 910 GetRequests, 902 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:00:52,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2018-11-23 08:00:52,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 3723. [2018-11-23 08:00:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3723 states. [2018-11-23 08:00:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3723 states and 3865 transitions. [2018-11-23 08:00:52,601 INFO L78 Accepts]: Start accepts. Automaton has 3723 states and 3865 transitions. Word has length 900 [2018-11-23 08:00:52,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:52,602 INFO L480 AbstractCegarLoop]: Abstraction has 3723 states and 3865 transitions. [2018-11-23 08:00:52,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:00:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 3865 transitions. [2018-11-23 08:00:52,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1060 [2018-11-23 08:00:52,613 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:52,613 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:00:52,613 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:52,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:52,614 INFO L82 PathProgramCache]: Analyzing trace with hash 136985470, now seen corresponding path program 1 times [2018-11-23 08:00:52,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:52,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:52,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:52,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:52,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 807 proven. 224 refuted. 0 times theorem prover too weak. 2391 trivial. 0 not checked. [2018-11-23 08:00:53,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:00:53,299 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:00:53,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:53,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:00:53,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 2229 proven. 2 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2018-11-23 08:00:53,745 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:00:53,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-11-23 08:00:53,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 08:00:53,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 08:00:53,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:00:53,746 INFO L87 Difference]: Start difference. First operand 3723 states and 3865 transitions. Second operand 10 states. [2018-11-23 08:00:54,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:54,547 INFO L93 Difference]: Finished difference Result 7256 states and 7555 transitions. [2018-11-23 08:00:54,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 08:00:54,548 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1059 [2018-11-23 08:00:54,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:54,551 INFO L225 Difference]: With dead ends: 7256 [2018-11-23 08:00:54,552 INFO L226 Difference]: Without dead ends: 3905 [2018-11-23 08:00:54,554 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1083 GetRequests, 1066 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:00:54,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3905 states. [2018-11-23 08:00:54,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3905 to 3897. [2018-11-23 08:00:54,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3897 states. [2018-11-23 08:00:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3897 states and 4006 transitions. [2018-11-23 08:00:54,589 INFO L78 Accepts]: Start accepts. Automaton has 3897 states and 4006 transitions. Word has length 1059 [2018-11-23 08:00:54,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:54,589 INFO L480 AbstractCegarLoop]: Abstraction has 3897 states and 4006 transitions. [2018-11-23 08:00:54,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 08:00:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 4006 transitions. [2018-11-23 08:00:54,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2018-11-23 08:00:54,595 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:54,595 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:00:54,595 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:54,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:54,596 INFO L82 PathProgramCache]: Analyzing trace with hash 413107877, now seen corresponding path program 1 times [2018-11-23 08:00:54,596 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:54,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:54,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:54,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:54,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3412 backedges. 833 proven. 1481 refuted. 0 times theorem prover too weak. 1098 trivial. 0 not checked. [2018-11-23 08:00:56,563 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:00:56,563 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:00:56,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:00:56,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:00:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3412 backedges. 2267 proven. 2 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2018-11-23 08:00:57,448 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:00:57,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6] total 18 [2018-11-23 08:00:57,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 08:00:57,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 08:00:57,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:00:57,449 INFO L87 Difference]: Start difference. First operand 3897 states and 4006 transitions. Second operand 18 states. [2018-11-23 08:00:59,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:00:59,452 INFO L93 Difference]: Finished difference Result 7978 states and 8249 transitions. [2018-11-23 08:00:59,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 08:00:59,452 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1070 [2018-11-23 08:00:59,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:00:59,457 INFO L225 Difference]: With dead ends: 7978 [2018-11-23 08:00:59,457 INFO L226 Difference]: Without dead ends: 4453 [2018-11-23 08:00:59,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1118 GetRequests, 1082 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=316, Invalid=1090, Unknown=0, NotChecked=0, Total=1406 [2018-11-23 08:00:59,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4453 states. [2018-11-23 08:00:59,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4453 to 4221. [2018-11-23 08:00:59,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4221 states. [2018-11-23 08:00:59,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4221 states to 4221 states and 4334 transitions. [2018-11-23 08:00:59,496 INFO L78 Accepts]: Start accepts. Automaton has 4221 states and 4334 transitions. Word has length 1070 [2018-11-23 08:00:59,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:00:59,496 INFO L480 AbstractCegarLoop]: Abstraction has 4221 states and 4334 transitions. [2018-11-23 08:00:59,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 08:00:59,496 INFO L276 IsEmpty]: Start isEmpty. Operand 4221 states and 4334 transitions. [2018-11-23 08:00:59,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1078 [2018-11-23 08:00:59,502 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:00:59,502 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:00:59,502 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:00:59,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:00:59,502 INFO L82 PathProgramCache]: Analyzing trace with hash -338961606, now seen corresponding path program 1 times [2018-11-23 08:00:59,502 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:00:59,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:00:59,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:59,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:00:59,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:00:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3440 backedges. 833 proven. 1509 refuted. 0 times theorem prover too weak. 1098 trivial. 0 not checked. [2018-11-23 08:01:01,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:01,060 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:01:01,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:01,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:01,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3440 backedges. 2295 proven. 2 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2018-11-23 08:01:01,647 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:01:01,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-11-23 08:01:01,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 08:01:01,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 08:01:01,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:01:01,648 INFO L87 Difference]: Start difference. First operand 4221 states and 4334 transitions. Second operand 18 states. [2018-11-23 08:01:03,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:03,987 INFO L93 Difference]: Finished difference Result 8304 states and 8579 transitions. [2018-11-23 08:01:03,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-11-23 08:01:03,988 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1077 [2018-11-23 08:01:03,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:03,992 INFO L225 Difference]: With dead ends: 8304 [2018-11-23 08:01:03,992 INFO L226 Difference]: Without dead ends: 4273 [2018-11-23 08:01:03,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1153 GetRequests, 1098 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=646, Invalid=2546, Unknown=0, NotChecked=0, Total=3192 [2018-11-23 08:01:03,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4273 states. [2018-11-23 08:01:04,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4273 to 4219. [2018-11-23 08:01:04,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4219 states. [2018-11-23 08:01:04,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 4219 states and 4321 transitions. [2018-11-23 08:01:04,039 INFO L78 Accepts]: Start accepts. Automaton has 4219 states and 4321 transitions. Word has length 1077 [2018-11-23 08:01:04,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:04,040 INFO L480 AbstractCegarLoop]: Abstraction has 4219 states and 4321 transitions. [2018-11-23 08:01:04,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 08:01:04,040 INFO L276 IsEmpty]: Start isEmpty. Operand 4219 states and 4321 transitions. [2018-11-23 08:01:04,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1159 [2018-11-23 08:01:04,046 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:04,047 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:01:04,047 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:04,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:04,047 INFO L82 PathProgramCache]: Analyzing trace with hash -2043956975, now seen corresponding path program 1 times [2018-11-23 08:01:04,047 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:04,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:04,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:04,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:04,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:04,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4139 backedges. 1837 proven. 355 refuted. 0 times theorem prover too weak. 1947 trivial. 0 not checked. [2018-11-23 08:01:04,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:04,753 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:01:04,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:04,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4139 backedges. 2602 proven. 6 refuted. 0 times theorem prover too weak. 1531 trivial. 0 not checked. [2018-11-23 08:01:05,340 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:01:05,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2018-11-23 08:01:05,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:01:05,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:01:05,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:01:05,342 INFO L87 Difference]: Start difference. First operand 4219 states and 4321 transitions. Second operand 9 states. [2018-11-23 08:01:06,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:06,036 INFO L93 Difference]: Finished difference Result 8658 states and 8894 transitions. [2018-11-23 08:01:06,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 08:01:06,036 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1158 [2018-11-23 08:01:06,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:06,042 INFO L225 Difference]: With dead ends: 8658 [2018-11-23 08:01:06,042 INFO L226 Difference]: Without dead ends: 4629 [2018-11-23 08:01:06,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1179 GetRequests, 1164 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2018-11-23 08:01:06,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4629 states. [2018-11-23 08:01:06,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4629 to 4403. [2018-11-23 08:01:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4403 states. [2018-11-23 08:01:06,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 4403 states and 4506 transitions. [2018-11-23 08:01:06,093 INFO L78 Accepts]: Start accepts. Automaton has 4403 states and 4506 transitions. Word has length 1158 [2018-11-23 08:01:06,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:06,094 INFO L480 AbstractCegarLoop]: Abstraction has 4403 states and 4506 transitions. [2018-11-23 08:01:06,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:01:06,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4403 states and 4506 transitions. [2018-11-23 08:01:06,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2018-11-23 08:01:06,118 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:06,119 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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, 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, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-23 08:01:06,119 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:06,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:06,119 INFO L82 PathProgramCache]: Analyzing trace with hash -2024251614, now seen corresponding path program 1 times [2018-11-23 08:01:06,119 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:06,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:06,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:06,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:06,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 9098 backedges. 1999 proven. 5464 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2018-11-23 08:01:09,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:09,642 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:01:09,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:09,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 9098 backedges. 3072 proven. 124 refuted. 0 times theorem prover too weak. 5902 trivial. 0 not checked. [2018-11-23 08:01:10,873 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:01:10,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 9] total 34 [2018-11-23 08:01:10,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-23 08:01:10,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-23 08:01:10,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1018, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 08:01:10,875 INFO L87 Difference]: Start difference. First operand 4403 states and 4506 transitions. Second operand 34 states. [2018-11-23 08:01:22,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:22,537 INFO L93 Difference]: Finished difference Result 9534 states and 9902 transitions. [2018-11-23 08:01:22,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-11-23 08:01:22,538 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 1711 [2018-11-23 08:01:22,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:22,543 INFO L225 Difference]: With dead ends: 9534 [2018-11-23 08:01:22,543 INFO L226 Difference]: Without dead ends: 5110 [2018-11-23 08:01:22,547 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1909 GetRequests, 1754 SyntacticMatches, 2 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8383 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=3414, Invalid=20456, Unknown=0, NotChecked=0, Total=23870 [2018-11-23 08:01:22,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5110 states. [2018-11-23 08:01:22,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5110 to 4771. [2018-11-23 08:01:22,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4771 states. [2018-11-23 08:01:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4771 states to 4771 states and 4872 transitions. [2018-11-23 08:01:22,598 INFO L78 Accepts]: Start accepts. Automaton has 4771 states and 4872 transitions. Word has length 1711 [2018-11-23 08:01:22,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:22,599 INFO L480 AbstractCegarLoop]: Abstraction has 4771 states and 4872 transitions. [2018-11-23 08:01:22,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-23 08:01:22,599 INFO L276 IsEmpty]: Start isEmpty. Operand 4771 states and 4872 transitions. [2018-11-23 08:01:22,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1964 [2018-11-23 08:01:22,614 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:22,614 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 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, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 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, 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] [2018-11-23 08:01:22,615 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:22,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:22,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1465047202, now seen corresponding path program 1 times [2018-11-23 08:01:22,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:22,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:22,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:22,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:22,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:26,295 INFO L134 CoverageAnalysis]: Checked inductivity of 12281 backedges. 1944 proven. 6913 refuted. 0 times theorem prover too weak. 3424 trivial. 0 not checked. [2018-11-23 08:01:26,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:26,295 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:01:26,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:26,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:27,507 WARN L180 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-11-23 08:01:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12281 backedges. 6064 proven. 12 refuted. 0 times theorem prover too weak. 6205 trivial. 0 not checked. [2018-11-23 08:01:29,932 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:01:29,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 9] total 34 [2018-11-23 08:01:29,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-23 08:01:29,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-23 08:01:29,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1019, Unknown=1, NotChecked=0, Total=1122 [2018-11-23 08:01:29,934 INFO L87 Difference]: Start difference. First operand 4771 states and 4872 transitions. Second operand 34 states. [2018-11-23 08:01:38,340 WARN L180 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2018-11-23 08:01:44,818 WARN L180 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2018-11-23 08:01:48,264 WARN L180 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2018-11-23 08:01:51,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:51,955 INFO L93 Difference]: Finished difference Result 10586 states and 10944 transitions. [2018-11-23 08:01:51,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-11-23 08:01:51,955 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 1963 [2018-11-23 08:01:51,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:51,956 INFO L225 Difference]: With dead ends: 10586 [2018-11-23 08:01:51,956 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:01:51,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2145 GetRequests, 2009 SyntacticMatches, 1 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5752 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=2423, Invalid=16208, Unknown=1, NotChecked=0, Total=18632 [2018-11-23 08:01:51,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:01:51,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:01:51,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:01:51,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:01:51,964 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1963 [2018-11-23 08:01:51,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:51,964 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:01:51,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-23 08:01:51,965 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:01:51,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:01:51,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:01:52,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:52,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,804 WARN L180 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 814 DAG size of output: 571 [2018-11-23 08:01:53,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:53,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:01:54,851 WARN L180 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 814 DAG size of output: 571 [2018-11-23 08:01:56,512 WARN L180 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 370 DAG size of output: 153 [2018-11-23 08:01:58,488 WARN L180 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 500 DAG size of output: 126 [2018-11-23 08:02:00,458 WARN L180 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 500 DAG size of output: 126 [2018-11-23 08:02:00,460 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:02:00,460 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-23 08:02:00,460 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:02:00,460 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-23 08:02:00,460 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-23 08:02:00,460 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,460 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,460 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-23 08:02:00,461 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-23 08:02:00,462 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-23 08:02:00,463 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,464 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 08:02:00,465 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 08:02:00,466 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-23 08:02:00,467 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse27 (= 7 |old(~a15~0)|)) (.cse9 (<= ~a21~0 |old(~a21~0)|)) (.cse11 (<= 8 ~a21~0)) (.cse18 (= 9 ~a15~0)) (.cse36 (<= ~a12~0 80)) (.cse34 (= ~a24~0 |old(~a24~0)|)) (.cse23 (= |old(~a15~0)| ~a15~0)) (.cse37 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a12~0 |old(~a12~0)|)) (.cse8 (= 1 ~a24~0)) (.cse10 (= 8 ~a15~0))) (let ((.cse17 (= ~a21~0 9)) (.cse15 (<= (+ ~a12~0 49) 0)) (.cse31 (and .cse7 .cse8 .cse10 (= 10 ~a21~0))) (.cse30 (not (= 10 |old(~a21~0)|))) (.cse13 (< |old(~a12~0)| 95381)) (.cse33 (< 6 |old(~a21~0)|)) (.cse24 (not (= 9 |old(~a21~0)|))) (.cse32 (and .cse7 .cse37 .cse8 .cse10)) (.cse25 (and .cse34 .cse37 .cse23)) (.cse14 (< 0 (+ |old(~a12~0)| 49))) (.cse20 (and .cse36 .cse34 .cse37 .cse23)) (.cse5 (not (= 8 |old(~a15~0)|))) (.cse12 (not (= 6 |old(~a21~0)|))) (.cse22 (not (= 6 |old(~a15~0)|))) (.cse19 (< 80 |old(~a12~0)|)) (.cse1 (< |old(~a12~0)| 19)) (.cse28 (and .cse7 .cse8 .cse9 .cse11 .cse18)) (.cse6 (not (= 8 |old(~a21~0)|))) (.cse4 (and .cse7 .cse37 .cse8 .cse18)) (.cse0 (not (= 9 |old(~a15~0)|))) (.cse2 (< |old(~a21~0)| 10)) (.cse29 (< 11 |old(~a12~0)|)) (.cse26 (not (= 7 |old(~a21~0)|))) (.cse21 (not .cse27)) (.cse35 (and .cse37 .cse23 .cse8)) (.cse3 (not (= 1 |old(~a24~0)|))) (.cse16 (< 7 |old(~a15~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse3 (< 73282 |old(~a12~0)|)) (or .cse12 (< 95442 |old(~a12~0)|) (or .cse0 .cse3) .cse13 .cse4) (or .cse14 .cse15 .cse3 .cse16) (or .cse0 .cse1 .cse3 (and .cse7 .cse17 .cse8 .cse18) (not (= |old(~a15~0)| |old(~a21~0)|))) (or .cse19 .cse20 .cse21) (or .cse22 .cse23) (or (and .cse7 .cse17 .cse8 .cse10) .cse1 (or .cse24 .cse19 .cse3 .cse5)) (or .cse25 .cse26 .cse27 .cse3 .cse16) (or .cse0 .cse28 .cse3 .cse29 .cse6) (or .cse30 .cse5 .cse31 .cse3 .cse29) (or .cse15 .cse14 .cse21) (or (forall ((v_~a12~0_452 Int)) (or (< |old(~a12~0)| (+ (mod v_~a12~0_452 299959) 286349)) (< v_~a12~0_452 0) (< v_~a12~0_452 |old(~a12~0)|))) .cse32 (or .cse3 (< |old(~a15~0)| 8) .cse33 (< 8 |old(~a15~0)|))) (or .cse22 .cse14 .cse15) (or .cse31 .cse30 .cse3 .cse5 .cse13) (or .cse0 .cse26 .cse1 .cse4 .cse3) (or .cse25 .cse3 .cse21 .cse33) (or (or .cse5 .cse24 .cse29) .cse3 .cse32) (or .cse25 .cse2 .cse21) (or .cse14 .cse12 (and .cse7 (= |old(~a21~0)| ~a21~0) .cse34 .cse23) .cse27 .cse16) (or .cse19 .cse3 .cse20 .cse16) (or (and .cse7 (= 7 ~a21~0) .cse23 .cse8) (or .cse5 .cse26 .cse3 .cse29)) (or .cse12 .cse35 .cse3 (not (= 5 |old(~a15~0)|))) (or .cse22 .cse36 .cse19) (or .cse0 .cse1 .cse3 .cse28 .cse6) (or .cse4 .cse0 .cse2 .cse3 .cse29) (or (< 0 (+ |old(~a12~0)| 460226)) .cse26 .cse7 .cse3 .cse21) (or (< |old(~a21~0)| 8) .cse35 .cse3 .cse16)))) [2018-11-23 08:02:00,467 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-23 08:02:00,467 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-23 08:02:00,467 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,467 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,467 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,467 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 08:02:00,468 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-23 08:02:00,469 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 08:02:00,470 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,471 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-23 08:02:00,472 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,473 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,474 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 08:02:00,475 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-23 08:02:00,476 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-23 08:02:00,477 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,477 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,477 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:02:00,477 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-23 08:02:00,477 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 08:02:00,477 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 08:02:00,477 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 08:02:00,477 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-23 08:02:00,477 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:02:00,477 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-11-23 08:02:00,477 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:02:00,477 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:02:00,477 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0) (= |old(~a15~0)| ~a15~0) (= 1 ~a24~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|))) [2018-11-23 08:02:00,477 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-23 08:02:00,478 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (<= ~a15~0 7)) (.cse19 (= 7 ~a15~0))) (let ((.cse13 (= ~a21~0 10)) (.cse6 (<= 8 ~a21~0)) (.cse23 (not (= 1 |old(~a24~0)|))) (.cse4 (= 1 ~a24~0)) (.cse7 (and .cse1 (not .cse19))) (.cse26 (+ ~a12~0 43))) (let ((.cse10 (= 7 ~a21~0)) (.cse16 (< 0 .cse26)) (.cse20 (<= ~a21~0 6)) (.cse3 (= ~a15~0 |old(~a15~0)|)) (.cse2 (= ~a21~0 8)) (.cse9 (<= ~a12~0 11)) (.cse21 (and .cse4 .cse7)) (.cse0 (= 6 ~a21~0)) (.cse12 (<= 95381 ~a12~0)) (.cse18 (= 9 ~a15~0)) (.cse22 (= ~a24~0 |old(~a24~0)|)) (.cse14 (<= ~a15~0 8)) (.cse17 (<= 10 ~a21~0)) (.cse24 (and .cse4 .cse6 (or (not (= 9 |old(~a21~0)|)) (not (= |old(~a21~0)| |old(~a15~0)|)) .cse23) (or (not (= 6 |old(~a21~0)|)) (not (= 5 |old(~a15~0)|)) .cse23))) (.cse25 (= ~a15~0 9)) (.cse5 (<= 19 ~a12~0)) (.cse11 (<= ~a12~0 80)) (.cse8 (<= |old(~a12~0)| ~a12~0)) (.cse15 (and (= 8 ~a15~0) .cse13 .cse4))) (or (and .cse0 (and .cse1 (<= (+ ~a12~0 49) 0))) (and (<= ~a12~0 73282) .cse2 .cse3 .cse4 .cse5) (and .cse4 .cse6 .cse7) (and .cse8 (and .cse9 .cse10) .cse3 .cse4) (and (and .cse11 (<= ~a15~0 6)) .cse4) (not (= 7 |old(~a21~0)|)) (and .cse12 .cse13 (and .cse4 .cse14)) (< 0 (+ |old(~a12~0)| 49)) (and (and .cse15 .cse9) .cse16) (and (and .cse4 .cse17 .cse18) .cse9) (and (and .cse4 .cse19) .cse20) (and .cse10 .cse21) (and (and .cse10 .cse4 .cse18) .cse5) (and .cse16 .cse22 (and (= 9 ~a21~0) .cse9) .cse3) (and (exists ((v_~a12~0_452 Int)) (and (<= (+ (mod v_~a12~0_452 299959) 286349) ~a12~0) (<= 0 v_~a12~0_452) (<= 95381 v_~a12~0_452))) .cse20 .cse22 .cse3) .cse23 (and .cse2 .cse24 .cse25 .cse9) (not (= 8 |old(~a15~0)|)) (and .cse0 (= 5 ~a15~0) .cse21) (and .cse6 .cse22 .cse19) (and .cse0 .cse12 .cse4 .cse18 (<= ~a12~0 95442)) (and .cse22 (and (and .cse11 .cse14) (= ~a21~0 9)) .cse5) (and .cse19 .cse17) (and .cse24 .cse25 .cse5) (= 6 ~a15~0) (and .cse11 .cse19) (and .cse8 (and .cse15 (<= .cse26 0))))))) [2018-11-23 08:02:00,478 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-23 08:02:00,478 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-23 08:02:00,478 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= ~a15~0 7)) (.cse19 (= 7 ~a15~0))) (let ((.cse13 (= ~a21~0 10)) (.cse6 (<= 8 ~a21~0)) (.cse23 (not (= 1 |old(~a24~0)|))) (.cse4 (= 1 ~a24~0)) (.cse7 (and .cse1 (not .cse19))) (.cse26 (+ ~a12~0 43))) (let ((.cse10 (= 7 ~a21~0)) (.cse16 (< 0 .cse26)) (.cse20 (<= ~a21~0 6)) (.cse3 (= ~a15~0 |old(~a15~0)|)) (.cse2 (= ~a21~0 8)) (.cse9 (<= ~a12~0 11)) (.cse21 (and .cse4 .cse7)) (.cse0 (= 6 ~a21~0)) (.cse12 (<= 95381 ~a12~0)) (.cse18 (= 9 ~a15~0)) (.cse22 (= ~a24~0 |old(~a24~0)|)) (.cse14 (<= ~a15~0 8)) (.cse17 (<= 10 ~a21~0)) (.cse24 (and .cse4 .cse6 (or (not (= 9 |old(~a21~0)|)) (not (= |old(~a21~0)| |old(~a15~0)|)) .cse23) (or (not (= 6 |old(~a21~0)|)) (not (= 5 |old(~a15~0)|)) .cse23))) (.cse25 (= ~a15~0 9)) (.cse5 (<= 19 ~a12~0)) (.cse11 (<= ~a12~0 80)) (.cse8 (<= |old(~a12~0)| ~a12~0)) (.cse15 (and (= 8 ~a15~0) .cse13 .cse4))) (or (and .cse0 (and .cse1 (<= (+ ~a12~0 49) 0))) (and (<= ~a12~0 73282) .cse2 .cse3 .cse4 .cse5) (and .cse4 .cse6 .cse7) (and .cse8 (and .cse9 .cse10) .cse3 .cse4) (and (and .cse11 (<= ~a15~0 6)) .cse4) (not (= 7 |old(~a21~0)|)) (and .cse12 .cse13 (and .cse4 .cse14)) (< 0 (+ |old(~a12~0)| 49)) (and (and .cse15 .cse9) .cse16) (and (and .cse4 .cse17 .cse18) .cse9) (and (and .cse4 .cse19) .cse20) (and .cse10 .cse21) (and (and .cse10 .cse4 .cse18) .cse5) (and .cse16 .cse22 (and (= 9 ~a21~0) .cse9) .cse3) (and (exists ((v_~a12~0_452 Int)) (and (<= (+ (mod v_~a12~0_452 299959) 286349) ~a12~0) (<= 0 v_~a12~0_452) (<= 95381 v_~a12~0_452))) .cse20 .cse22 .cse3) .cse23 (and .cse2 .cse24 .cse25 .cse9) (not (= 8 |old(~a15~0)|)) (and .cse0 (= 5 ~a15~0) .cse21) (and .cse6 .cse22 .cse19) (and .cse0 .cse12 .cse4 .cse18 (<= ~a12~0 95442)) (and .cse22 (and (and .cse11 .cse14) (= ~a21~0 9)) .cse5) (and .cse19 .cse17) (and .cse24 .cse25 .cse5) (= 6 ~a15~0) (and .cse11 .cse19) (and .cse8 (and .cse15 (<= .cse26 0))))))) [2018-11-23 08:02:00,478 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-23 08:02:00,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-23 08:02:00,485 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-23 08:02:00,485 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-23 08:02:00,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-23 08:02:00,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-23 08:02:00,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-23 08:02:00,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:02:00 BoogieIcfgContainer [2018-11-23 08:02:00,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:02:00,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:02:00,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:02:00,499 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:02:00,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:00:25" (3/4) ... [2018-11-23 08:02:00,502 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:02:00,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:02:00,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 08:02:00,518 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:02:00,534 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 08:02:00,534 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 08:02:00,564 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((6 == a21 && a15 <= 7 && a12 + 49 <= 0) || ((((a12 <= 73282 && a21 == 8) && a15 == \old(a15)) && 1 == a24) && 19 <= a12)) || ((1 == a24 && 8 <= a21) && a15 <= 7 && !(7 == a15))) || (((\old(a12) <= a12 && a12 <= 11 && 7 == a21) && a15 == \old(a15)) && 1 == a24)) || ((a12 <= 80 && a15 <= 6) && 1 == a24)) || !(7 == \old(a21))) || ((95381 <= a12 && a21 == 10) && 1 == a24 && a15 <= 8)) || 0 < \old(a12) + 49) || ((((8 == a15 && a21 == 10) && 1 == a24) && a12 <= 11) && 0 < a12 + 43)) || (((1 == a24 && 10 <= a21) && 9 == a15) && a12 <= 11)) || ((1 == a24 && 7 == a15) && a21 <= 6)) || (7 == a21 && 1 == a24 && a15 <= 7 && !(7 == a15))) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || (((0 < a12 + 43 && a24 == \old(a24)) && 9 == a21 && a12 <= 11) && a15 == \old(a15))) || ((((\exists v_~a12~0_452 : int :: (v_~a12~0_452 % 299959 + 286349 <= a12 && 0 <= v_~a12~0_452) && 95381 <= v_~a12~0_452) && a21 <= 6) && a24 == \old(a24)) && a15 == \old(a15))) || !(1 == \old(a24))) || (((a21 == 8 && ((1 == a24 && 8 <= a21) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24)))) && ((!(6 == \old(a21)) || !(5 == \old(a15))) || !(1 == \old(a24)))) && a15 == 9) && a12 <= 11)) || !(8 == \old(a15))) || ((6 == a21 && 5 == a15) && 1 == a24 && a15 <= 7 && !(7 == a15))) || ((8 <= a21 && a24 == \old(a24)) && 7 == a15)) || ((((6 == a21 && 95381 <= a12) && 1 == a24) && 9 == a15) && a12 <= 95442)) || ((a24 == \old(a24) && (a12 <= 80 && a15 <= 8) && a21 == 9) && 19 <= a12)) || (7 == a15 && 10 <= a21)) || (((((1 == a24 && 8 <= a21) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24)))) && ((!(6 == \old(a21)) || !(5 == \old(a15))) || !(1 == \old(a24)))) && a15 == 9) && 19 <= a12)) || 6 == a15) || (a12 <= 80 && 7 == a15)) || (\old(a12) <= a12 && ((8 == a15 && a21 == 10) && 1 == a24) && a12 + 43 <= 0) [2018-11-23 08:02:00,646 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_086eba0e-0258-459e-b1a0-b285f5e9eb72/bin-2019/uautomizer/witness.graphml [2018-11-23 08:02:00,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:02:00,647 INFO L168 Benchmark]: Toolchain (without parser) took 96744.03 ms. Allocated memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: 3.5 GB). Free memory was 957.6 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-23 08:02:00,648 INFO L168 Benchmark]: CDTParser took 0.14 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 08:02:00,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.56 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 914.7 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:02:00,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 914.7 MB in the beginning and 1.1 GB in the end (delta: -219.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:02:00,648 INFO L168 Benchmark]: Boogie Preprocessor took 57.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:02:00,649 INFO L168 Benchmark]: RCFGBuilder took 940.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 125.0 MB). Peak memory consumption was 125.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:02:00,649 INFO L168 Benchmark]: TraceAbstraction took 95100.89 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2018-11-23 08:02:00,649 INFO L168 Benchmark]: Witness Printer took 148.16 ms. Allocated memory is still 4.5 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-23 08:02:00,650 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 416.56 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 914.7 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 914.7 MB in the beginning and 1.1 GB in the end (delta: -219.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 940.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 125.0 MB). Peak memory consumption was 125.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 95100.89 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. * Witness Printer took 148.16 ms. Allocated memory is still 4.5 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 24 B). Peak memory consumption was 24 B. 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_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 880]: Loop Invariant [2018-11-23 08:02:00,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-23 08:02:00,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-23 08:02:00,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-23 08:02:00,656 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-23 08:02:00,656 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-23 08:02:00,656 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((6 == a21 && a15 <= 7 && a12 + 49 <= 0) || ((((a12 <= 73282 && a21 == 8) && a15 == \old(a15)) && 1 == a24) && 19 <= a12)) || ((1 == a24 && 8 <= a21) && a15 <= 7 && !(7 == a15))) || (((\old(a12) <= a12 && a12 <= 11 && 7 == a21) && a15 == \old(a15)) && 1 == a24)) || ((a12 <= 80 && a15 <= 6) && 1 == a24)) || !(7 == \old(a21))) || ((95381 <= a12 && a21 == 10) && 1 == a24 && a15 <= 8)) || 0 < \old(a12) + 49) || ((((8 == a15 && a21 == 10) && 1 == a24) && a12 <= 11) && 0 < a12 + 43)) || (((1 == a24 && 10 <= a21) && 9 == a15) && a12 <= 11)) || ((1 == a24 && 7 == a15) && a21 <= 6)) || (7 == a21 && 1 == a24 && a15 <= 7 && !(7 == a15))) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || (((0 < a12 + 43 && a24 == \old(a24)) && 9 == a21 && a12 <= 11) && a15 == \old(a15))) || ((((\exists v_~a12~0_452 : int :: (v_~a12~0_452 % 299959 + 286349 <= a12 && 0 <= v_~a12~0_452) && 95381 <= v_~a12~0_452) && a21 <= 6) && a24 == \old(a24)) && a15 == \old(a15))) || !(1 == \old(a24))) || (((a21 == 8 && ((1 == a24 && 8 <= a21) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24)))) && ((!(6 == \old(a21)) || !(5 == \old(a15))) || !(1 == \old(a24)))) && a15 == 9) && a12 <= 11)) || !(8 == \old(a15))) || ((6 == a21 && 5 == a15) && 1 == a24 && a15 <= 7 && !(7 == a15))) || ((8 <= a21 && a24 == \old(a24)) && 7 == a15)) || ((((6 == a21 && 95381 <= a12) && 1 == a24) && 9 == a15) && a12 <= 95442)) || ((a24 == \old(a24) && (a12 <= 80 && a15 <= 8) && a21 == 9) && 19 <= a12)) || (7 == a15 && 10 <= a21)) || (((((1 == a24 && 8 <= a21) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24)))) && ((!(6 == \old(a21)) || !(5 == \old(a15))) || !(1 == \old(a24)))) && a15 == 9) && 19 <= a12)) || 6 == a15) || (a12 <= 80 && 7 == a15)) || (\old(a12) <= a12 && ((8 == a15 && a21 == 10) && 1 == a24) && a12 + 43 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 95.0s OverallTime, 18 OverallIterations, 16 TraceHistogramMax, 57.8s AutomataDifference, 0.0s DeadEndRemovalTime, 8.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1091 SDtfs, 71948 SDslu, 4380 SDs, 0 SdLazy, 82433 SolverSat, 8263 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14165 GetRequests, 13512 SyntacticMatches, 8 SemanticMatches, 645 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17106 ImplicationChecksByTransitivity, 25.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7016occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 2570 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 540 PreInvPairs, 776 NumberOfFragments, 1627 HoareAnnotationTreeSize, 540 FomulaSimplifications, 1783273 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 253841 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 26778 NumberOfCodeBlocks, 26778 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 26744 ConstructedInterpolants, 6 QuantifiedInterpolants, 118265191 SizeOfPredicates, 18 NumberOfNonLiveVariables, 18779 ConjunctsInSsa, 119 ConjunctsInUnsatCore, 34 InterpolantComputations, 6 PerfectInterpolantSequences, 72670/92360 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...