./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 0.1.23-5842f4b [2018-11-18 13:02:51,604 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:02:51,605 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:02:51,612 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:02:51,612 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:02:51,613 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:02:51,614 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:02:51,615 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:02:51,616 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:02:51,616 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:02:51,617 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:02:51,617 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:02:51,618 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:02:51,618 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:02:51,619 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:02:51,620 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:02:51,620 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:02:51,622 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:02:51,623 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:02:51,624 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:02:51,625 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:02:51,625 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:02:51,627 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:02:51,627 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:02:51,627 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:02:51,628 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:02:51,628 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:02:51,629 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:02:51,629 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:02:51,630 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:02:51,630 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:02:51,631 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:02:51,631 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:02:51,631 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:02:51,632 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:02:51,632 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:02:51,632 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 13:02:51,642 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:02:51,643 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:02:51,643 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:02:51,643 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:02:51,644 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:02:51,644 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:02:51,644 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:02:51,644 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:02:51,644 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:02:51,645 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:02:51,645 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:02:51,645 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:02:51,645 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:02:51,645 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:02:51,645 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:02:51,645 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:02:51,645 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:02:51,646 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:02:51,646 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:02:51,646 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:02:51,646 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:02:51,646 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:02:51,646 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:02:51,646 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:02:51,647 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:02:51,647 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:02:51,647 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:02:51,647 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:02:51,647 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:02:51,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:02:51,647 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_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:02:51,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:02:51,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:02:51,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:02:51,677 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:02:51,677 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:02:51,678 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-11-18 13:02:51,713 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/bin-2019/uautomizer/data/5839abff1/5e3765589cd54984adb1cfbcd77b9057/FLAG96efecca6 [2018-11-18 13:02:52,173 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:02:52,173 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-11-18 13:02:52,183 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/bin-2019/uautomizer/data/5839abff1/5e3765589cd54984adb1cfbcd77b9057/FLAG96efecca6 [2018-11-18 13:02:52,194 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/bin-2019/uautomizer/data/5839abff1/5e3765589cd54984adb1cfbcd77b9057 [2018-11-18 13:02:52,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:02:52,196 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:02:52,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:02:52,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:02:52,199 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:02:52,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:02:52" (1/1) ... [2018-11-18 13:02:52,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:52, skipping insertion in model container [2018-11-18 13:02:52,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:02:52" (1/1) ... [2018-11-18 13:02:52,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:02:52,243 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:02:52,496 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:02:52,499 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:02:52,580 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:02:52,591 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:02:52,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:52 WrapperNode [2018-11-18 13:02:52,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:02:52,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:02:52,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:02:52,592 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:02:52,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:52" (1/1) ... [2018-11-18 13:02:52,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:52" (1/1) ... [2018-11-18 13:02:52,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:52" (1/1) ... [2018-11-18 13:02:52,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:52" (1/1) ... [2018-11-18 13:02:52,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:52" (1/1) ... [2018-11-18 13:02:52,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:52" (1/1) ... [2018-11-18 13:02:52,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:52" (1/1) ... [2018-11-18 13:02:52,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:02:52,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:02:52,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:02:52,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:02:52,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:02:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:02:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:02:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 13:02:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:02:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 13:02:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:02:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 13:02:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:02:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:02:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:02:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:02:53,561 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:02:53,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:53 BoogieIcfgContainer [2018-11-18 13:02:53,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:02:53,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:02:53,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:02:53,565 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:02:53,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:02:52" (1/3) ... [2018-11-18 13:02:53,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe14d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:02:53, skipping insertion in model container [2018-11-18 13:02:53,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:52" (2/3) ... [2018-11-18 13:02:53,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe14d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:02:53, skipping insertion in model container [2018-11-18 13:02:53,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:53" (3/3) ... [2018-11-18 13:02:53,567 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label55_true-unreach-call_false-termination.c [2018-11-18 13:02:53,573 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:02:53,578 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:02:53,587 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:02:53,609 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:02:53,610 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:02:53,610 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:02:53,610 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:02:53,610 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:02:53,610 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:02:53,611 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:02:53,611 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:02:53,611 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:02:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-18 13:02:53,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 13:02:53,633 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:02:53,634 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:53,636 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:02:53,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:53,640 INFO L82 PathProgramCache]: Analyzing trace with hash -353931284, now seen corresponding path program 1 times [2018-11-18 13:02:53,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:53,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:53,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:53,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:53,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:53,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:02:53,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:02:53,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:02:53,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:02:53,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:02:53,880 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-11-18 13:02:54,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:02:54,892 INFO L93 Difference]: Finished difference Result 894 states and 1611 transitions. [2018-11-18 13:02:54,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:02:54,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-11-18 13:02:54,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:02:54,907 INFO L225 Difference]: With dead ends: 894 [2018-11-18 13:02:54,907 INFO L226 Difference]: Without dead ends: 633 [2018-11-18 13:02:54,912 INFO L604 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 [2018-11-18 13:02:54,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-11-18 13:02:54,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2018-11-18 13:02:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-11-18 13:02:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 1007 transitions. [2018-11-18 13:02:54,966 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 1007 transitions. Word has length 64 [2018-11-18 13:02:54,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:02:54,966 INFO L480 AbstractCegarLoop]: Abstraction has 633 states and 1007 transitions. [2018-11-18 13:02:54,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:02:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1007 transitions. [2018-11-18 13:02:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 13:02:54,973 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:02:54,973 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:54,974 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:02:54,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:54,975 INFO L82 PathProgramCache]: Analyzing trace with hash 835688739, now seen corresponding path program 1 times [2018-11-18 13:02:54,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:54,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:54,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:54,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:54,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:55,112 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:55,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:02:55,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:02:55,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:02:55,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:02:55,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:02:55,114 INFO L87 Difference]: Start difference. First operand 633 states and 1007 transitions. Second operand 4 states. [2018-11-18 13:02:55,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:02:55,993 INFO L93 Difference]: Finished difference Result 2358 states and 3926 transitions. [2018-11-18 13:02:55,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:02:55,994 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 177 [2018-11-18 13:02:55,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:02:56,001 INFO L225 Difference]: With dead ends: 2358 [2018-11-18 13:02:56,001 INFO L226 Difference]: Without dead ends: 1731 [2018-11-18 13:02:56,005 INFO L604 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 [2018-11-18 13:02:56,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2018-11-18 13:02:56,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2018-11-18 13:02:56,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1731 states. [2018-11-18 13:02:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2621 transitions. [2018-11-18 13:02:56,049 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2621 transitions. Word has length 177 [2018-11-18 13:02:56,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:02:56,050 INFO L480 AbstractCegarLoop]: Abstraction has 1731 states and 2621 transitions. [2018-11-18 13:02:56,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:02:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2621 transitions. [2018-11-18 13:02:56,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-18 13:02:56,057 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:02:56,057 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2018-11-18 13:02:56,057 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:02:56,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:56,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1405952572, now seen corresponding path program 1 times [2018-11-18 13:02:56,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:56,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:56,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:56,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:56,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:56,213 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:02:56,213 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:02:56,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:56,274 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:02:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:56,367 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:02:56,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 13:02:56,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:02:56,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:02:56,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:02:56,368 INFO L87 Difference]: Start difference. First operand 1731 states and 2621 transitions. Second operand 9 states. [2018-11-18 13:02:58,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:02:58,539 INFO L93 Difference]: Finished difference Result 5315 states and 8807 transitions. [2018-11-18 13:02:58,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 13:02:58,542 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 260 [2018-11-18 13:02:58,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:02:58,556 INFO L225 Difference]: With dead ends: 5315 [2018-11-18 13:02:58,557 INFO L226 Difference]: Without dead ends: 2965 [2018-11-18 13:02:58,571 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-11-18 13:02:58,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2018-11-18 13:02:58,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2900. [2018-11-18 13:02:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2900 states. [2018-11-18 13:02:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 4107 transitions. [2018-11-18 13:02:58,630 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 4107 transitions. Word has length 260 [2018-11-18 13:02:58,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:02:58,630 INFO L480 AbstractCegarLoop]: Abstraction has 2900 states and 4107 transitions. [2018-11-18 13:02:58,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:02:58,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 4107 transitions. [2018-11-18 13:02:58,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-18 13:02:58,636 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:02:58,636 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 13:02:58,636 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:02:58,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:58,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1165177760, now seen corresponding path program 1 times [2018-11-18 13:02:58,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:58,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:58,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:58,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:58,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:59,111 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:59,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:02:59,112 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:02:59,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:59,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:02:59,216 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 13:02:59,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:02:59,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2018-11-18 13:02:59,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 13:02:59,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 13:02:59,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-18 13:02:59,232 INFO L87 Difference]: Start difference. First operand 2900 states and 4107 transitions. Second operand 12 states. [2018-11-18 13:03:01,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:01,660 INFO L93 Difference]: Finished difference Result 10284 states and 16767 transitions. [2018-11-18 13:03:01,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 13:03:01,661 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 264 [2018-11-18 13:03:01,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:01,701 INFO L225 Difference]: With dead ends: 10284 [2018-11-18 13:03:01,701 INFO L226 Difference]: Without dead ends: 7390 [2018-11-18 13:03:01,732 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2018-11-18 13:03:01,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7390 states. [2018-11-18 13:03:01,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7390 to 7076. [2018-11-18 13:03:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7076 states. [2018-11-18 13:03:01,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7076 states to 7076 states and 9911 transitions. [2018-11-18 13:03:01,946 INFO L78 Accepts]: Start accepts. Automaton has 7076 states and 9911 transitions. Word has length 264 [2018-11-18 13:03:01,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:01,947 INFO L480 AbstractCegarLoop]: Abstraction has 7076 states and 9911 transitions. [2018-11-18 13:03:01,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 13:03:01,947 INFO L276 IsEmpty]: Start isEmpty. Operand 7076 states and 9911 transitions. [2018-11-18 13:03:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 13:03:01,962 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:01,962 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 13:03:01,963 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:01,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:01,963 INFO L82 PathProgramCache]: Analyzing trace with hash -470539796, now seen corresponding path program 1 times [2018-11-18 13:03:01,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:01,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:01,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:01,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:01,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:02,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:02,117 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:02,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:02,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:02,312 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:03:02,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 13:03:02,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:03:02,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:03:02,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:03:02,313 INFO L87 Difference]: Start difference. First operand 7076 states and 9911 transitions. Second operand 9 states. [2018-11-18 13:03:03,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:03,612 INFO L93 Difference]: Finished difference Result 13982 states and 19848 transitions. [2018-11-18 13:03:03,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 13:03:03,613 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 272 [2018-11-18 13:03:03,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:03,636 INFO L225 Difference]: With dead ends: 13982 [2018-11-18 13:03:03,637 INFO L226 Difference]: Without dead ends: 5702 [2018-11-18 13:03:03,657 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-11-18 13:03:03,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2018-11-18 13:03:03,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 5436. [2018-11-18 13:03:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5436 states. [2018-11-18 13:03:03,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5436 states to 5436 states and 6957 transitions. [2018-11-18 13:03:03,779 INFO L78 Accepts]: Start accepts. Automaton has 5436 states and 6957 transitions. Word has length 272 [2018-11-18 13:03:03,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:03,779 INFO L480 AbstractCegarLoop]: Abstraction has 5436 states and 6957 transitions. [2018-11-18 13:03:03,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:03:03,779 INFO L276 IsEmpty]: Start isEmpty. Operand 5436 states and 6957 transitions. [2018-11-18 13:03:03,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-18 13:03:03,791 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:03,791 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 13:03:03,792 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:03,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:03,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1742187711, now seen corresponding path program 1 times [2018-11-18 13:03:03,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:03,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:03,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:03,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:03,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:03,973 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 165 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:03:03,973 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:03,973 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:03,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:04,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 13:03:04,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:03:04,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2018-11-18 13:03:04,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:03:04,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:03:04,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:03:04,112 INFO L87 Difference]: Start difference. First operand 5436 states and 6957 transitions. Second operand 9 states. [2018-11-18 13:03:05,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:05,693 INFO L93 Difference]: Finished difference Result 13123 states and 18162 transitions. [2018-11-18 13:03:05,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 13:03:05,693 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 283 [2018-11-18 13:03:05,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:05,709 INFO L225 Difference]: With dead ends: 13123 [2018-11-18 13:03:05,709 INFO L226 Difference]: Without dead ends: 5736 [2018-11-18 13:03:05,729 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2018-11-18 13:03:05,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5736 states. [2018-11-18 13:03:05,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5736 to 5379. [2018-11-18 13:03:05,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5379 states. [2018-11-18 13:03:05,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5379 states to 5379 states and 6269 transitions. [2018-11-18 13:03:05,843 INFO L78 Accepts]: Start accepts. Automaton has 5379 states and 6269 transitions. Word has length 283 [2018-11-18 13:03:05,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:05,844 INFO L480 AbstractCegarLoop]: Abstraction has 5379 states and 6269 transitions. [2018-11-18 13:03:05,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:03:05,844 INFO L276 IsEmpty]: Start isEmpty. Operand 5379 states and 6269 transitions. [2018-11-18 13:03:05,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-11-18 13:03:05,857 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:05,858 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-18 13:03:05,858 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:05,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:05,858 INFO L82 PathProgramCache]: Analyzing trace with hash 969928600, now seen corresponding path program 1 times [2018-11-18 13:03:05,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:05,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:05,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:05,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:05,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 251 proven. 76 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 13:03:06,050 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:06,050 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:06,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:06,109 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 375 proven. 2 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-18 13:03:06,183 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:03:06,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 13:03:06,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:03:06,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:03:06,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:03:06,184 INFO L87 Difference]: Start difference. First operand 5379 states and 6269 transitions. Second operand 9 states. [2018-11-18 13:03:07,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:07,123 INFO L93 Difference]: Finished difference Result 12184 states and 14425 transitions. [2018-11-18 13:03:07,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 13:03:07,123 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 396 [2018-11-18 13:03:07,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:07,141 INFO L225 Difference]: With dead ends: 12184 [2018-11-18 13:03:07,141 INFO L226 Difference]: Without dead ends: 6505 [2018-11-18 13:03:07,154 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2018-11-18 13:03:07,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6505 states. [2018-11-18 13:03:07,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6505 to 6423. [2018-11-18 13:03:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6423 states. [2018-11-18 13:03:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6423 states to 6423 states and 7260 transitions. [2018-11-18 13:03:07,286 INFO L78 Accepts]: Start accepts. Automaton has 6423 states and 7260 transitions. Word has length 396 [2018-11-18 13:03:07,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:07,287 INFO L480 AbstractCegarLoop]: Abstraction has 6423 states and 7260 transitions. [2018-11-18 13:03:07,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:03:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand 6423 states and 7260 transitions. [2018-11-18 13:03:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2018-11-18 13:03:07,296 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:07,297 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 13:03:07,297 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:07,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:07,297 INFO L82 PathProgramCache]: Analyzing trace with hash -2096646949, now seen corresponding path program 1 times [2018-11-18 13:03:07,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:07,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:07,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:07,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:07,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:07,516 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 171 proven. 238 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 13:03:07,516 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:07,516 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:07,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:07,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:07,712 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-11-18 13:03:07,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:03:07,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-18 13:03:07,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:03:07,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:03:07,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:03:07,738 INFO L87 Difference]: Start difference. First operand 6423 states and 7260 transitions. Second operand 9 states. [2018-11-18 13:03:08,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:08,255 INFO L93 Difference]: Finished difference Result 10927 states and 12182 transitions. [2018-11-18 13:03:08,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:03:08,256 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 453 [2018-11-18 13:03:08,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:08,262 INFO L225 Difference]: With dead ends: 10927 [2018-11-18 13:03:08,262 INFO L226 Difference]: Without dead ends: 4913 [2018-11-18 13:03:08,267 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 455 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:03:08,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4913 states. [2018-11-18 13:03:08,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4913 to 4846. [2018-11-18 13:03:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4846 states. [2018-11-18 13:03:08,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 5128 transitions. [2018-11-18 13:03:08,326 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 5128 transitions. Word has length 453 [2018-11-18 13:03:08,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:08,326 INFO L480 AbstractCegarLoop]: Abstraction has 4846 states and 5128 transitions. [2018-11-18 13:03:08,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:03:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 5128 transitions. [2018-11-18 13:03:08,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2018-11-18 13:03:08,348 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:08,348 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-11-18 13:03:08,348 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:08,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:08,348 INFO L82 PathProgramCache]: Analyzing trace with hash 706038832, now seen corresponding path program 1 times [2018-11-18 13:03:08,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:08,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:08,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:08,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:08,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:08,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2018-11-18 13:03:08,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:03:08,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:03:08,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:03:08,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:03:08,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:03:08,713 INFO L87 Difference]: Start difference. First operand 4846 states and 5128 transitions. Second operand 4 states. [2018-11-18 13:03:09,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:09,167 INFO L93 Difference]: Finished difference Result 9318 states and 9879 transitions. [2018-11-18 13:03:09,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:03:09,167 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 706 [2018-11-18 13:03:09,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:09,173 INFO L225 Difference]: With dead ends: 9318 [2018-11-18 13:03:09,174 INFO L226 Difference]: Without dead ends: 4660 [2018-11-18 13:03:09,177 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:03:09,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2018-11-18 13:03:09,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4660. [2018-11-18 13:03:09,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4660 states. [2018-11-18 13:03:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 4660 states and 4921 transitions. [2018-11-18 13:03:09,213 INFO L78 Accepts]: Start accepts. Automaton has 4660 states and 4921 transitions. Word has length 706 [2018-11-18 13:03:09,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:09,214 INFO L480 AbstractCegarLoop]: Abstraction has 4660 states and 4921 transitions. [2018-11-18 13:03:09,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:03:09,214 INFO L276 IsEmpty]: Start isEmpty. Operand 4660 states and 4921 transitions. [2018-11-18 13:03:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2018-11-18 13:03:09,224 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:09,224 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2018-11-18 13:03:09,224 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:09,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:09,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1967064619, now seen corresponding path program 1 times [2018-11-18 13:03:09,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:09,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:09,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:09,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:09,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2083 backedges. 534 proven. 1073 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2018-11-18 13:03:09,993 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:09,993 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:09,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:10,092 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2083 backedges. 1520 proven. 2 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2018-11-18 13:03:10,440 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:03:10,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-18 13:03:10,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 13:03:10,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 13:03:10,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:03:10,442 INFO L87 Difference]: Start difference. First operand 4660 states and 4921 transitions. Second operand 11 states. [2018-11-18 13:03:12,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:12,179 INFO L93 Difference]: Finished difference Result 8544 states and 9133 transitions. [2018-11-18 13:03:12,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-18 13:03:12,179 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 827 [2018-11-18 13:03:12,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:12,184 INFO L225 Difference]: With dead ends: 8544 [2018-11-18 13:03:12,184 INFO L226 Difference]: Without dead ends: 3908 [2018-11-18 13:03:12,188 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 870 GetRequests, 842 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=596, Unknown=0, NotChecked=0, Total=812 [2018-11-18 13:03:12,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2018-11-18 13:03:12,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3713. [2018-11-18 13:03:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3713 states. [2018-11-18 13:03:12,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 3713 states and 3907 transitions. [2018-11-18 13:03:12,233 INFO L78 Accepts]: Start accepts. Automaton has 3713 states and 3907 transitions. Word has length 827 [2018-11-18 13:03:12,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:12,233 INFO L480 AbstractCegarLoop]: Abstraction has 3713 states and 3907 transitions. [2018-11-18 13:03:12,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 13:03:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3713 states and 3907 transitions. [2018-11-18 13:03:12,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2018-11-18 13:03:12,245 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:12,245 INFO L375 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, 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] [2018-11-18 13:03:12,245 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:12,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:12,245 INFO L82 PathProgramCache]: Analyzing trace with hash 2125514511, now seen corresponding path program 1 times [2018-11-18 13:03:12,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:12,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:12,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:12,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:12,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2584 backedges. 862 proven. 1130 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2018-11-18 13:03:13,320 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:13,320 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:13,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:13,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2584 backedges. 1802 proven. 2 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2018-11-18 13:03:13,837 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:03:13,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-18 13:03:13,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 13:03:13,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 13:03:13,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-11-18 13:03:13,838 INFO L87 Difference]: Start difference. First operand 3713 states and 3907 transitions. Second operand 17 states. [2018-11-18 13:03:15,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:15,882 INFO L93 Difference]: Finished difference Result 7244 states and 7764 transitions. [2018-11-18 13:03:15,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-18 13:03:15,883 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 901 [2018-11-18 13:03:15,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:15,889 INFO L225 Difference]: With dead ends: 7244 [2018-11-18 13:03:15,889 INFO L226 Difference]: Without dead ends: 3650 [2018-11-18 13:03:15,893 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 961 GetRequests, 914 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=509, Invalid=1843, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 13:03:15,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3650 states. [2018-11-18 13:03:15,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3650 to 3327. [2018-11-18 13:03:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3327 states. [2018-11-18 13:03:15,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 3327 states and 3463 transitions. [2018-11-18 13:03:15,965 INFO L78 Accepts]: Start accepts. Automaton has 3327 states and 3463 transitions. Word has length 901 [2018-11-18 13:03:15,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:15,965 INFO L480 AbstractCegarLoop]: Abstraction has 3327 states and 3463 transitions. [2018-11-18 13:03:15,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 13:03:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3327 states and 3463 transitions. [2018-11-18 13:03:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2018-11-18 13:03:15,975 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:15,975 INFO L375 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, 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] [2018-11-18 13:03:15,976 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:15,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:15,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1609008976, now seen corresponding path program 1 times [2018-11-18 13:03:15,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:15,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:15,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:15,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:15,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:16,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2577 backedges. 679 proven. 224 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2018-11-18 13:03:16,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:16,443 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:16,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:16,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:17,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2577 backedges. 1708 proven. 2 refuted. 0 times theorem prover too weak. 867 trivial. 0 not checked. [2018-11-18 13:03:17,038 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:03:17,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-18 13:03:17,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:03:17,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:03:17,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:03:17,039 INFO L87 Difference]: Start difference. First operand 3327 states and 3463 transitions. Second operand 7 states. [2018-11-18 13:03:17,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:17,471 INFO L93 Difference]: Finished difference Result 6837 states and 7149 transitions. [2018-11-18 13:03:17,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:03:17,472 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 908 [2018-11-18 13:03:17,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:17,477 INFO L225 Difference]: With dead ends: 6837 [2018-11-18 13:03:17,477 INFO L226 Difference]: Without dead ends: 3884 [2018-11-18 13:03:17,480 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 918 GetRequests, 910 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:03:17,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2018-11-18 13:03:17,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3876. [2018-11-18 13:03:17,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3876 states. [2018-11-18 13:03:17,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 4036 transitions. [2018-11-18 13:03:17,511 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 4036 transitions. Word has length 908 [2018-11-18 13:03:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:17,512 INFO L480 AbstractCegarLoop]: Abstraction has 3876 states and 4036 transitions. [2018-11-18 13:03:17,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:03:17,512 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 4036 transitions. [2018-11-18 13:03:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2018-11-18 13:03:17,519 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:17,519 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2018-11-18 13:03:17,519 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:17,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:17,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1536409696, now seen corresponding path program 1 times [2018-11-18 13:03:17,520 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:17,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:17,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:17,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:17,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3458 backedges. 831 proven. 224 refuted. 0 times theorem prover too weak. 2403 trivial. 0 not checked. [2018-11-18 13:03:18,049 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:18,050 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:18,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:18,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3458 backedges. 2253 proven. 2 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2018-11-18 13:03:18,492 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:03:18,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-11-18 13:03:18,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:03:18,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:03:18,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:03:18,494 INFO L87 Difference]: Start difference. First operand 3876 states and 4036 transitions. Second operand 10 states. [2018-11-18 13:03:19,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:19,378 INFO L93 Difference]: Finished difference Result 7565 states and 7898 transitions. [2018-11-18 13:03:19,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 13:03:19,378 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1068 [2018-11-18 13:03:19,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:19,382 INFO L225 Difference]: With dead ends: 7565 [2018-11-18 13:03:19,382 INFO L226 Difference]: Without dead ends: 4063 [2018-11-18 13:03:19,384 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1092 GetRequests, 1075 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2018-11-18 13:03:19,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4063 states. [2018-11-18 13:03:19,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4063 to 4053. [2018-11-18 13:03:19,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4053 states. [2018-11-18 13:03:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 4177 transitions. [2018-11-18 13:03:19,418 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 4177 transitions. Word has length 1068 [2018-11-18 13:03:19,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:19,419 INFO L480 AbstractCegarLoop]: Abstraction has 4053 states and 4177 transitions. [2018-11-18 13:03:19,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:03:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 4177 transitions. [2018-11-18 13:03:19,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1080 [2018-11-18 13:03:19,429 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:19,430 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2018-11-18 13:03:19,430 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:19,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:19,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1801339669, now seen corresponding path program 1 times [2018-11-18 13:03:19,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:19,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:19,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:19,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:19,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3448 backedges. 858 proven. 1481 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2018-11-18 13:03:21,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:21,260 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:21,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:21,388 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3448 backedges. 2290 proven. 2 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2018-11-18 13:03:22,204 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:03:22,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6] total 18 [2018-11-18 13:03:22,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 13:03:22,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 13:03:22,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-11-18 13:03:22,206 INFO L87 Difference]: Start difference. First operand 4053 states and 4177 transitions. Second operand 18 states. [2018-11-18 13:03:24,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:24,024 INFO L93 Difference]: Finished difference Result 8165 states and 8472 transitions. [2018-11-18 13:03:24,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 13:03:24,024 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1079 [2018-11-18 13:03:24,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:24,029 INFO L225 Difference]: With dead ends: 8165 [2018-11-18 13:03:24,029 INFO L226 Difference]: Without dead ends: 4486 [2018-11-18 13:03:24,032 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1127 GetRequests, 1091 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=316, Invalid=1090, Unknown=0, NotChecked=0, Total=1406 [2018-11-18 13:03:24,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2018-11-18 13:03:24,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 4243. [2018-11-18 13:03:24,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4243 states. [2018-11-18 13:03:24,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 4369 transitions. [2018-11-18 13:03:24,068 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 4369 transitions. Word has length 1079 [2018-11-18 13:03:24,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:24,068 INFO L480 AbstractCegarLoop]: Abstraction has 4243 states and 4369 transitions. [2018-11-18 13:03:24,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 13:03:24,068 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 4369 transitions. [2018-11-18 13:03:24,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1087 [2018-11-18 13:03:24,074 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:24,074 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2018-11-18 13:03:24,074 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:24,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:24,075 INFO L82 PathProgramCache]: Analyzing trace with hash 975128484, now seen corresponding path program 1 times [2018-11-18 13:03:24,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:24,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:24,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:24,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:24,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:25,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 858 proven. 1509 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2018-11-18 13:03:25,761 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:25,762 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:25,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:25,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 2318 proven. 2 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2018-11-18 13:03:26,295 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:03:26,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-11-18 13:03:26,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 13:03:26,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 13:03:26,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-11-18 13:03:26,296 INFO L87 Difference]: Start difference. First operand 4243 states and 4369 transitions. Second operand 18 states. [2018-11-18 13:03:28,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:28,565 INFO L93 Difference]: Finished difference Result 8357 states and 8662 transitions. [2018-11-18 13:03:28,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-11-18 13:03:28,565 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1086 [2018-11-18 13:03:28,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:28,569 INFO L225 Difference]: With dead ends: 8357 [2018-11-18 13:03:28,569 INFO L226 Difference]: Without dead ends: 4305 [2018-11-18 13:03:28,572 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1162 GetRequests, 1107 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=646, Invalid=2546, Unknown=0, NotChecked=0, Total=3192 [2018-11-18 13:03:28,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4305 states. [2018-11-18 13:03:28,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4305 to 4243. [2018-11-18 13:03:28,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4243 states. [2018-11-18 13:03:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 4357 transitions. [2018-11-18 13:03:28,612 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 4357 transitions. Word has length 1086 [2018-11-18 13:03:28,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:28,613 INFO L480 AbstractCegarLoop]: Abstraction has 4243 states and 4357 transitions. [2018-11-18 13:03:28,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 13:03:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 4357 transitions. [2018-11-18 13:03:28,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1132 [2018-11-18 13:03:28,619 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:28,620 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 5, 5, 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, 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] [2018-11-18 13:03:28,620 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:28,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:28,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1757943917, now seen corresponding path program 1 times [2018-11-18 13:03:28,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:28,620 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:28,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:28,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:28,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3578 backedges. 1692 proven. 355 refuted. 0 times theorem prover too weak. 1531 trivial. 0 not checked. [2018-11-18 13:03:29,237 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:29,238 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:29,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:29,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:29,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3578 backedges. 2382 proven. 6 refuted. 0 times theorem prover too weak. 1190 trivial. 0 not checked. [2018-11-18 13:03:29,800 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:03:29,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2018-11-18 13:03:29,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:03:29,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:03:29,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:03:29,801 INFO L87 Difference]: Start difference. First operand 4243 states and 4357 transitions. Second operand 9 states. [2018-11-18 13:03:30,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:30,451 INFO L93 Difference]: Finished difference Result 8695 states and 8943 transitions. [2018-11-18 13:03:30,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 13:03:30,451 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1131 [2018-11-18 13:03:30,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:30,456 INFO L225 Difference]: With dead ends: 8695 [2018-11-18 13:03:30,456 INFO L226 Difference]: Without dead ends: 4643 [2018-11-18 13:03:30,459 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1151 GetRequests, 1137 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2018-11-18 13:03:30,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4643 states. [2018-11-18 13:03:30,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4643 to 4428. [2018-11-18 13:03:30,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4428 states. [2018-11-18 13:03:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4428 states to 4428 states and 4543 transitions. [2018-11-18 13:03:30,497 INFO L78 Accepts]: Start accepts. Automaton has 4428 states and 4543 transitions. Word has length 1131 [2018-11-18 13:03:30,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:30,498 INFO L480 AbstractCegarLoop]: Abstraction has 4428 states and 4543 transitions. [2018-11-18 13:03:30,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:03:30,498 INFO L276 IsEmpty]: Start isEmpty. Operand 4428 states and 4543 transitions. [2018-11-18 13:03:30,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1689 [2018-11-18 13:03:30,509 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:30,510 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-18 13:03:30,510 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:30,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:30,511 INFO L82 PathProgramCache]: Analyzing trace with hash 477167752, now seen corresponding path program 1 times [2018-11-18 13:03:30,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:30,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:30,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:30,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:30,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 8324 backedges. 1936 proven. 4968 refuted. 0 times theorem prover too weak. 1420 trivial. 0 not checked. [2018-11-18 13:03:33,882 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:33,882 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:33,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:34,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:34,979 INFO L134 CoverageAnalysis]: Checked inductivity of 8324 backedges. 2893 proven. 127 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2018-11-18 13:03:34,995 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:03:34,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 9] total 34 [2018-11-18 13:03:34,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-18 13:03:34,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-18 13:03:34,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1018, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 13:03:34,997 INFO L87 Difference]: Start difference. First operand 4428 states and 4543 transitions. Second operand 34 states. [2018-11-18 13:03:46,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:03:46,340 INFO L93 Difference]: Finished difference Result 9676 states and 10059 transitions. [2018-11-18 13:03:46,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-11-18 13:03:46,340 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 1688 [2018-11-18 13:03:46,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:03:46,348 INFO L225 Difference]: With dead ends: 9676 [2018-11-18 13:03:46,348 INFO L226 Difference]: Without dead ends: 5226 [2018-11-18 13:03:46,356 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1879 GetRequests, 1730 SyntacticMatches, 2 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7723 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=3239, Invalid=18813, Unknown=0, NotChecked=0, Total=22052 [2018-11-18 13:03:46,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5226 states. [2018-11-18 13:03:46,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5226 to 4798. [2018-11-18 13:03:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4798 states. [2018-11-18 13:03:46,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4798 states to 4798 states and 4910 transitions. [2018-11-18 13:03:46,414 INFO L78 Accepts]: Start accepts. Automaton has 4798 states and 4910 transitions. Word has length 1688 [2018-11-18 13:03:46,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:03:46,414 INFO L480 AbstractCegarLoop]: Abstraction has 4798 states and 4910 transitions. [2018-11-18 13:03:46,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-18 13:03:46,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4798 states and 4910 transitions. [2018-11-18 13:03:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1943 [2018-11-18 13:03:46,430 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:03:46,430 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 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, 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, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-18 13:03:46,430 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:03:46,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:03:46,431 INFO L82 PathProgramCache]: Analyzing trace with hash 221644492, now seen corresponding path program 1 times [2018-11-18 13:03:46,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:03:46,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:03:46,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:46,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:46,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:03:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 11390 backedges. 1882 proven. 6284 refuted. 0 times theorem prover too weak. 3224 trivial. 0 not checked. [2018-11-18 13:03:50,205 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:03:50,205 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/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 [2018-11-18 13:03:50,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:03:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:03:50,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:03:51,633 WARN L180 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-11-18 13:03:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 11390 backedges. 5770 proven. 12 refuted. 0 times theorem prover too weak. 5608 trivial. 0 not checked. [2018-11-18 13:03:53,835 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:03:53,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 9] total 34 [2018-11-18 13:03:53,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-18 13:03:53,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-18 13:03:53,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1019, Unknown=1, NotChecked=0, Total=1122 [2018-11-18 13:03:53,837 INFO L87 Difference]: Start difference. First operand 4798 states and 4910 transitions. Second operand 34 states. [2018-11-18 13:04:00,272 WARN L180 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2018-11-18 13:04:09,386 WARN L180 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2018-11-18 13:04:12,904 WARN L180 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2018-11-18 13:04:15,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:04:15,143 INFO L93 Difference]: Finished difference Result 10537 states and 10942 transitions. [2018-11-18 13:04:15,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-11-18 13:04:15,144 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 1942 [2018-11-18 13:04:15,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:04:15,145 INFO L225 Difference]: With dead ends: 10537 [2018-11-18 13:04:15,145 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:04:15,157 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2122 GetRequests, 1983 SyntacticMatches, 1 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6241 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=2805, Invalid=16654, Unknown=1, NotChecked=0, Total=19460 [2018-11-18 13:04:15,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:04:15,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:04:15,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:04:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:04:15,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1942 [2018-11-18 13:04:15,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:04:15,158 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:04:15,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-18 13:04:15,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:04:15,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:04:15,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:04:15,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:15,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,734 WARN L180 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 756 DAG size of output: 537 [2018-11-18 13:04:16,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:16,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:04:17,751 WARN L180 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 756 DAG size of output: 537 [2018-11-18 13:04:19,215 WARN L180 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 363 DAG size of output: 141 [2018-11-18 13:04:21,430 WARN L180 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 496 DAG size of output: 132 [2018-11-18 13:04:23,682 WARN L180 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 496 DAG size of output: 132 [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L421 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)) [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-18 13:04:23,684 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-18 13:04:23,685 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-18 13:04:23,686 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,687 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 13:04:23,688 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse9 (= 8 ~a15~0)) (.cse23 (= 7 |old(~a15~0)|)) (.cse31 (<= ~a12~0 80)) (.cse6 (= ~a12~0 |old(~a12~0)|)) (.cse8 (= 1 ~a24~0)) (.cse30 (= 9 ~a15~0)) (.cse24 (= ~a24~0 |old(~a24~0)|)) (.cse25 (= ~a21~0 |old(~a21~0)|)) (.cse21 (= |old(~a15~0)| ~a15~0))) (let ((.cse13 (<= (+ ~a12~0 49) 0)) (.cse7 (= ~a21~0 9)) (.cse15 (and .cse24 .cse25 .cse21)) (.cse26 (= ~a15~0 |old(~a15~0)|)) (.cse19 (not (= 6 |old(~a21~0)|))) (.cse12 (< 0 (+ |old(~a12~0)| 49))) (.cse0 (not (= 9 |old(~a15~0)|))) (.cse4 (and .cse6 .cse25 .cse8 .cse30)) (.cse18 (and .cse31 .cse24 .cse25 .cse21)) (.cse20 (not (= 6 |old(~a15~0)|))) (.cse11 (< 80 |old(~a12~0)|)) (.cse22 (not (= 7 |old(~a21~0)|))) (.cse16 (not .cse23)) (.cse1 (< |old(~a12~0)| 19)) (.cse28 (not (= 8 |old(~a21~0)|))) (.cse5 (not (= 8 |old(~a15~0)|))) (.cse10 (not (= 9 |old(~a21~0)|))) (.cse17 (and .cse6 .cse25 .cse8 .cse9)) (.cse29 (< 11 |old(~a12~0)|)) (.cse2 (< |old(~a21~0)| 10)) (.cse3 (not (= 1 |old(~a24~0)|))) (.cse27 (and .cse25 .cse21 .cse8)) (.cse14 (< 7 |old(~a15~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 (and .cse6 .cse7 .cse8 .cse9) .cse10 .cse11 .cse3) (or .cse12 .cse13 .cse3 .cse14) (or .cse15 (< |old(~a21~0)| 8) .cse3 .cse16) (or (not (= 10 |old(~a21~0)|)) .cse17 .cse3 .cse5) (or .cse11 .cse18 .cse16) (or .cse19 .cse15 .cse3 .cse16) (or .cse20 .cse21) (or .cse15 .cse22 .cse23 .cse3 .cse14) (or .cse13 .cse12 .cse16) (or .cse20 .cse12 .cse13) (or .cse0 .cse22 .cse1 .cse3 .cse4) (or (and .cse24 .cse6 .cse25 .cse26) (< 95442 |old(~a12~0)|) (or .cse19 .cse0 .cse3) (< |old(~a12~0)| 95381)) (or .cse27 .cse19 .cse3 (not (= 5 |old(~a15~0)|))) (or .cse0 .cse1 .cse4 .cse3 .cse28) (or .cse22 .cse11 .cse17 .cse3 .cse5) (or .cse4 .cse2 .cse0 .cse3 .cse29) (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)|))) .cse19 .cse3 .cse5 (and .cse6 (<= |old(~a21~0)| ~a21~0) .cse8 .cse9 (<= ~a21~0 6))) (or .cse0 .cse3 (not (= |old(~a15~0)| |old(~a21~0)|)) (and .cse6 .cse7 .cse8 .cse30)) (or .cse15 .cse2 .cse16) (or (and (and .cse6 .cse24) .cse25 .cse26) (or .cse19 .cse12 .cse23 .cse14)) (or .cse0 .cse3 .cse29 .cse4 .cse28) (or .cse11 .cse3 .cse18 .cse14) (or .cse20 .cse31 .cse11) (or (< 0 (+ |old(~a12~0)| 460226)) .cse22 .cse3 .cse16 .cse6) (or .cse1 .cse5 .cse17 .cse28 .cse3 (< 73282 |old(~a12~0)|)) (or .cse5 .cse10 .cse17 .cse3 .cse29) (or .cse2 .cse3 .cse27 .cse14)))) [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,689 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 13:04:23,690 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-18 13:04:23,691 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,692 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-18 13:04:23,693 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,694 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-18 13:04:23,695 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-18 13:04:23,696 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:04:23,697 INFO L421 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)) [2018-11-18 13:04:23,697 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:04:23,697 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:04:23,698 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0))) [2018-11-18 13:04:23,698 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-18 13:04:23,698 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse19 (not (= 9 |old(~a21~0)|))) (.cse14 (not (= 1 |old(~a24~0)|)))) (let ((.cse1 (= 1 ~a24~0)) (.cse12 (<= ~a15~0 7)) (.cse8 (= 7 ~a15~0)) (.cse7 (<= ~a12~0 80)) (.cse13 (<= 8 ~a21~0)) (.cse18 (or .cse19 (not (= |old(~a21~0)| |old(~a15~0)|)) .cse14)) (.cse17 (= 5 ~a15~0))) (let ((.cse3 (and (or (and .cse19 (not (= 10 |old(~a21~0)|)) (not (= 8 |old(~a21~0)|))) (<= 0 (+ |old(~a12~0)| 42))) (and .cse7 .cse13 .cse18 (<= ~a15~0 8) (or (not (= 6 |old(~a21~0)|)) (not (= 5 |old(~a15~0)|)) .cse14) (not .cse17)))) (.cse6 (<= 19 ~a12~0)) (.cse4 (= ~a21~0 9)) (.cse9 (= 7 ~a21~0)) (.cse2 (= 8 ~a15~0)) (.cse5 (= ~a24~0 |old(~a24~0)|)) (.cse16 (<= 10 ~a21~0)) (.cse10 (and .cse1 (and .cse12 (not .cse8) .cse18))) (.cse15 (<= ~a12~0 11)) (.cse0 (= 6 ~a21~0)) (.cse11 (= 9 ~a15~0))) (or (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))) (and (and .cse0 .cse1) .cse2)) (and (and .cse3 .cse4) .cse5 .cse6) (and (and .cse7 (<= ~a15~0 6)) .cse1) (not (= 7 |old(~a21~0)|)) (and (and .cse1 .cse8) .cse0) (< 0 (+ |old(~a12~0)| 49)) (and .cse9 .cse10) (and (and .cse9 .cse1 .cse11) .cse6) (and .cse0 (and .cse12 (<= (+ ~a12~0 49) 0))) (and .cse13 .cse5 (= ~a15~0 9) .cse6) (and (and .cse1 .cse2) (= ~a21~0 10)) .cse14 (not (= 8 |old(~a15~0)|)) (and .cse1 (and (= 9 ~a21~0) .cse3 .cse15)) (and .cse1 .cse12 .cse16) (and (<= ~a12~0 73282) .cse5 (and .cse2 (= ~a21~0 8)) .cse6) (and .cse13 .cse5 .cse8) (and (and .cse11 .cse4) .cse1) (and (and (and .cse7 .cse9) .cse2) .cse5) (and .cse8 .cse16) (= 6 ~a15~0) (and .cse7 .cse8) (and .cse0 .cse17 .cse10) (and .cse1 (and (and .cse13 .cse11) .cse15)) (and (<= 95381 ~a12~0) (and .cse1 (and .cse0 .cse11)) (<= ~a12~0 95442)))))) [2018-11-18 13:04:23,698 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-18 13:04:23,698 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-18 13:04:23,698 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-18 13:04:23,699 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse19 (not (= 9 |old(~a21~0)|))) (.cse14 (not (= 1 |old(~a24~0)|)))) (let ((.cse1 (= 1 ~a24~0)) (.cse12 (<= ~a15~0 7)) (.cse8 (= 7 ~a15~0)) (.cse7 (<= ~a12~0 80)) (.cse13 (<= 8 ~a21~0)) (.cse18 (or .cse19 (not (= |old(~a21~0)| |old(~a15~0)|)) .cse14)) (.cse17 (= 5 ~a15~0))) (let ((.cse3 (and (or (and .cse19 (not (= 10 |old(~a21~0)|)) (not (= 8 |old(~a21~0)|))) (<= 0 (+ |old(~a12~0)| 42))) (and .cse7 .cse13 .cse18 (<= ~a15~0 8) (or (not (= 6 |old(~a21~0)|)) (not (= 5 |old(~a15~0)|)) .cse14) (not .cse17)))) (.cse6 (<= 19 ~a12~0)) (.cse4 (= ~a21~0 9)) (.cse9 (= 7 ~a21~0)) (.cse2 (= 8 ~a15~0)) (.cse5 (= ~a24~0 |old(~a24~0)|)) (.cse16 (<= 10 ~a21~0)) (.cse10 (and .cse1 (and .cse12 (not .cse8) .cse18))) (.cse15 (<= ~a12~0 11)) (.cse0 (= 6 ~a21~0)) (.cse11 (= 9 ~a15~0))) (or (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))) (and (and .cse0 .cse1) .cse2)) (and (and .cse3 .cse4) .cse5 .cse6) (and (and .cse7 (<= ~a15~0 6)) .cse1) (not (= 7 |old(~a21~0)|)) (and (and .cse1 .cse8) .cse0) (< 0 (+ |old(~a12~0)| 49)) (and .cse9 .cse10) (and (and .cse9 .cse1 .cse11) .cse6) (and .cse0 (and .cse12 (<= (+ ~a12~0 49) 0))) (and .cse13 .cse5 (= ~a15~0 9) .cse6) (and (and .cse1 .cse2) (= ~a21~0 10)) .cse14 (not (= 8 |old(~a15~0)|)) (and .cse1 (and (= 9 ~a21~0) .cse3 .cse15)) (and .cse1 .cse12 .cse16) (and (<= ~a12~0 73282) .cse5 (and .cse2 (= ~a21~0 8)) .cse6) (and .cse13 .cse5 .cse8) (and (and .cse11 .cse4) .cse1) (and (and (and .cse7 .cse9) .cse2) .cse5) (and .cse8 .cse16) (= 6 ~a15~0) (and .cse7 .cse8) (and .cse0 .cse17 .cse10) (and .cse1 (and (and .cse13 .cse11) .cse15)) (and (<= 95381 ~a12~0) (and .cse1 (and .cse0 .cse11)) (<= ~a12~0 95442)))))) [2018-11-18 13:04:23,699 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-18 13:04:23,711 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-18 13:04:23,711 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-18 13:04:23,712 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-18 13:04:23,723 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-18 13:04:23,724 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-18 13:04:23,724 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-18 13:04:23,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:04:23 BoogieIcfgContainer [2018-11-18 13:04:23,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:04:23,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:04:23,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:04:23,729 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:04:23,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:53" (3/4) ... [2018-11-18 13:04:23,737 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:04:23,754 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:04:23,754 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 13:04:23,755 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:04:23,769 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 13:04:23,771 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:04:23,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((\exists v_~a12~0_452 : int :: (v_~a12~0_452 % 299959 + 286349 <= a12 && 0 <= v_~a12~0_452) && 95381 <= v_~a12~0_452) && (6 == a21 && 1 == a24) && 8 == a15) || (((((((!(9 == \old(a21)) && !(10 == \old(a21))) && !(8 == \old(a21))) || 0 <= \old(a12) + 42) && ((((a12 <= 80 && 8 <= a21) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24)))) && a15 <= 8) && ((!(6 == \old(a21)) || !(5 == \old(a15))) || !(1 == \old(a24)))) && !(5 == a15)) && a21 == 9) && a24 == \old(a24)) && 19 <= a12)) || ((a12 <= 80 && a15 <= 6) && 1 == a24)) || !(7 == \old(a21))) || ((1 == a24 && 7 == a15) && 6 == a21)) || 0 < \old(a12) + 49) || (7 == a21 && 1 == a24 && (a15 <= 7 && !(7 == a15)) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))))) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || (6 == a21 && a15 <= 7 && a12 + 49 <= 0)) || (((8 <= a21 && a24 == \old(a24)) && a15 == 9) && 19 <= a12)) || ((1 == a24 && 8 == a15) && a21 == 10)) || !(1 == \old(a24))) || !(8 == \old(a15))) || (1 == a24 && (9 == a21 && (((!(9 == \old(a21)) && !(10 == \old(a21))) && !(8 == \old(a21))) || 0 <= \old(a12) + 42) && ((((a12 <= 80 && 8 <= a21) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24)))) && a15 <= 8) && ((!(6 == \old(a21)) || !(5 == \old(a15))) || !(1 == \old(a24)))) && !(5 == a15)) && a12 <= 11)) || ((1 == a24 && a15 <= 7) && 10 <= a21)) || (((a12 <= 73282 && a24 == \old(a24)) && 8 == a15 && a21 == 8) && 19 <= a12)) || ((8 <= a21 && a24 == \old(a24)) && 7 == a15)) || ((9 == a15 && a21 == 9) && 1 == a24)) || (((a12 <= 80 && 7 == a21) && 8 == a15) && a24 == \old(a24))) || (7 == a15 && 10 <= a21)) || 6 == a15) || (a12 <= 80 && 7 == a15)) || ((6 == a21 && 5 == a15) && 1 == a24 && (a15 <= 7 && !(7 == a15)) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))))) || (1 == a24 && (8 <= a21 && 9 == a15) && a12 <= 11)) || ((95381 <= a12 && 1 == a24 && 6 == a21 && 9 == a15) && a12 <= 95442) [2018-11-18 13:04:23,892 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e1d6f2cf-ca9d-40b5-a954-e222ff94cc3a/bin-2019/uautomizer/witness.graphml [2018-11-18 13:04:23,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:04:23,893 INFO L168 Benchmark]: Toolchain (without parser) took 91696.86 ms. Allocated memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: 3.6 GB). Free memory was 950.0 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-18 13:04:23,894 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:04:23,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.97 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:04:23,894 INFO L168 Benchmark]: Boogie Preprocessor took 120.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -235.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:04:23,894 INFO L168 Benchmark]: RCFGBuilder took 848.76 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: 123.7 MB). Peak memory consumption was 123.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:04:23,895 INFO L168 Benchmark]: TraceAbstraction took 90165.84 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.4 GB). Free memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.6 GB. Max. memory is 11.5 GB. [2018-11-18 13:04:23,895 INFO L168 Benchmark]: Witness Printer took 163.36 ms. Allocated memory is still 4.6 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-18 13:04:23,896 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.97 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -235.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 848.76 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: 123.7 MB). Peak memory consumption was 123.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 90165.84 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.4 GB). Free memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.6 GB. Max. memory is 11.5 GB. * Witness Printer took 163.36 ms. Allocated memory is still 4.6 GB. Free memory was 2.5 GB in the beginning and 2.5 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 [2018-11-18 13:04:23,899 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-18 13:04:23,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-18 13:04:23,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-18 13:04:23,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-18 13:04:23,902 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-18 13:04:23,902 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((\exists v_~a12~0_452 : int :: (v_~a12~0_452 % 299959 + 286349 <= a12 && 0 <= v_~a12~0_452) && 95381 <= v_~a12~0_452) && (6 == a21 && 1 == a24) && 8 == a15) || (((((((!(9 == \old(a21)) && !(10 == \old(a21))) && !(8 == \old(a21))) || 0 <= \old(a12) + 42) && ((((a12 <= 80 && 8 <= a21) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24)))) && a15 <= 8) && ((!(6 == \old(a21)) || !(5 == \old(a15))) || !(1 == \old(a24)))) && !(5 == a15)) && a21 == 9) && a24 == \old(a24)) && 19 <= a12)) || ((a12 <= 80 && a15 <= 6) && 1 == a24)) || !(7 == \old(a21))) || ((1 == a24 && 7 == a15) && 6 == a21)) || 0 < \old(a12) + 49) || (7 == a21 && 1 == a24 && (a15 <= 7 && !(7 == a15)) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))))) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || (6 == a21 && a15 <= 7 && a12 + 49 <= 0)) || (((8 <= a21 && a24 == \old(a24)) && a15 == 9) && 19 <= a12)) || ((1 == a24 && 8 == a15) && a21 == 10)) || !(1 == \old(a24))) || !(8 == \old(a15))) || (1 == a24 && (9 == a21 && (((!(9 == \old(a21)) && !(10 == \old(a21))) && !(8 == \old(a21))) || 0 <= \old(a12) + 42) && ((((a12 <= 80 && 8 <= a21) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24)))) && a15 <= 8) && ((!(6 == \old(a21)) || !(5 == \old(a15))) || !(1 == \old(a24)))) && !(5 == a15)) && a12 <= 11)) || ((1 == a24 && a15 <= 7) && 10 <= a21)) || (((a12 <= 73282 && a24 == \old(a24)) && 8 == a15 && a21 == 8) && 19 <= a12)) || ((8 <= a21 && a24 == \old(a24)) && 7 == a15)) || ((9 == a15 && a21 == 9) && 1 == a24)) || (((a12 <= 80 && 7 == a21) && 8 == a15) && a24 == \old(a24))) || (7 == a15 && 10 <= a21)) || 6 == a15) || (a12 <= 80 && 7 == a15)) || ((6 == a21 && 5 == a15) && 1 == a24 && (a15 <= 7 && !(7 == a15)) && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))))) || (1 == a24 && (8 <= a21 && 9 == a15) && a12 <= 11)) || ((95381 <= a12 && 1 == a24 && 6 == a21 && 9 == a15) && a12 <= 95442) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 90.0s OverallTime, 18 OverallIterations, 15 TraceHistogramMax, 54.1s AutomataDifference, 0.0s DeadEndRemovalTime, 8.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1309 SDtfs, 54046 SDslu, 4543 SDs, 0 SdLazy, 74548 SolverSat, 7353 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 27.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13374 GetRequests, 12772 SyntacticMatches, 10 SemanticMatches, 592 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16269 ImplicationChecksByTransitivity, 24.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7076occurred 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, 2635 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 552 PreInvPairs, 806 NumberOfFragments, 1656 HoareAnnotationTreeSize, 552 FomulaSimplifications, 840584 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 182767 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 26063 NumberOfCodeBlocks, 26063 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 26030 ConstructedInterpolants, 7 QuantifiedInterpolants, 113141000 SizeOfPredicates, 16 NumberOfNonLiveVariables, 17658 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 33 InterpolantComputations, 6 PerfectInterpolantSequences, 69142/86928 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...