./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/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 16d1e07abe3d8baa61b9a8d494202a7664f873bb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:18:56,687 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:18:56,688 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:18:56,694 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:18:56,694 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:18:56,695 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:18:56,696 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:18:56,697 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:18:56,698 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:18:56,698 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:18:56,699 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:18:56,699 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:18:56,700 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:18:56,700 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:18:56,701 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:18:56,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:18:56,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:18:56,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:18:56,704 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:18:56,705 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:18:56,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:18:56,706 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:18:56,707 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:18:56,707 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:18:56,707 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:18:56,708 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:18:56,708 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:18:56,708 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:18:56,709 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:18:56,710 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:18:56,710 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:18:56,710 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:18:56,711 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:18:56,711 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:18:56,711 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:18:56,712 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:18:56,712 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 06:18:56,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:18:56,719 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:18:56,720 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:18:56,720 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:18:56,721 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:18:56,721 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:18:56,721 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 06:18:56,721 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:18:56,721 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:18:56,721 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:18:56,721 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:18:56,722 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:18:56,722 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:18:56,722 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:18:56,722 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:18:56,722 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:18:56,722 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:18:56,722 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:18:56,722 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:18:56,722 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:18:56,722 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:18:56,722 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:18:56,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:18:56,723 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:18:56,723 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:18:56,723 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:18:56,723 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 06:18:56,723 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:18:56,723 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:18:56,723 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_ef2a710e-8e2e-4012-9bcc-e70c01f43041/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 -> 16d1e07abe3d8baa61b9a8d494202a7664f873bb [2018-11-10 06:18:56,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:18:56,752 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:18:56,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:18:56,755 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:18:56,755 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:18:56,756 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-10 06:18:56,792 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/bin-2019/uautomizer/data/2b38b2e35/2dafab4d6d7e45999d283e756a6c5a37/FLAG25e71e5a7 [2018-11-10 06:18:57,263 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:18:57,264 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-10 06:18:57,273 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/bin-2019/uautomizer/data/2b38b2e35/2dafab4d6d7e45999d283e756a6c5a37/FLAG25e71e5a7 [2018-11-10 06:18:57,284 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/bin-2019/uautomizer/data/2b38b2e35/2dafab4d6d7e45999d283e756a6c5a37 [2018-11-10 06:18:57,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:18:57,287 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 06:18:57,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:18:57,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:18:57,291 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:18:57,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:18:57" (1/1) ... [2018-11-10 06:18:57,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb7591c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:18:57, skipping insertion in model container [2018-11-10 06:18:57,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:18:57" (1/1) ... [2018-11-10 06:18:57,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:18:57,338 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:18:57,561 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:18:57,564 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:18:57,632 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:18:57,644 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:18:57,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:18:57 WrapperNode [2018-11-10 06:18:57,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:18:57,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:18:57,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:18:57,646 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:18:57,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:18:57" (1/1) ... [2018-11-10 06:18:57,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:18:57" (1/1) ... [2018-11-10 06:18:57,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:18:57" (1/1) ... [2018-11-10 06:18:57,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:18:57" (1/1) ... [2018-11-10 06:18:57,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:18:57" (1/1) ... [2018-11-10 06:18:57,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:18:57" (1/1) ... [2018-11-10 06:18:57,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:18:57" (1/1) ... [2018-11-10 06:18:57,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:18:57,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:18:57,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:18:57,753 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:18:57,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:18:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/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 [2018-11-10 06:18:57,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:18:57,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:18:57,795 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 06:18:57,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:18:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 06:18:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 06:18:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 06:18:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 06:18:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:18:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:18:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:18:58,495 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:18:58,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:18:58 BoogieIcfgContainer [2018-11-10 06:18:58,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:18:58,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 06:18:58,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 06:18:58,498 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 06:18:58,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:18:57" (1/3) ... [2018-11-10 06:18:58,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f5acfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:18:58, skipping insertion in model container [2018-11-10 06:18:58,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:18:57" (2/3) ... [2018-11-10 06:18:58,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f5acfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:18:58, skipping insertion in model container [2018-11-10 06:18:58,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:18:58" (3/3) ... [2018-11-10 06:18:58,501 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label08_true-unreach-call_false-termination.c [2018-11-10 06:18:58,507 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 06:18:58,513 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 06:18:58,522 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 06:18:58,543 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 06:18:58,543 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 06:18:58,543 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 06:18:58,543 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 06:18:58,543 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 06:18:58,543 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 06:18:58,544 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 06:18:58,544 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 06:18:58,544 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 06:18:58,559 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-10 06:18:58,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 06:18:58,567 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:18:58,568 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:18:58,570 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:18:58,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:18:58,574 INFO L82 PathProgramCache]: Analyzing trace with hash -682702232, now seen corresponding path program 1 times [2018-11-10 06:18:58,575 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:18:58,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:18:58,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:18:58,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:18:58,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:18:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:18:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:18:58,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:18:58,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 06:18:58,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 06:18:58,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 06:18:58,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:18:58,891 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-10 06:18:59,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:18:59,452 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-10 06:18:59,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 06:18:59,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-11-10 06:18:59,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:18:59,462 INFO L225 Difference]: With dead ends: 550 [2018-11-10 06:18:59,462 INFO L226 Difference]: Without dead ends: 340 [2018-11-10 06:18:59,465 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:18:59,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-10 06:18:59,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-10 06:18:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-10 06:18:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-11-10 06:18:59,503 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 120 [2018-11-10 06:18:59,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:18:59,503 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-11-10 06:18:59,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 06:18:59,504 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-11-10 06:18:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 06:18:59,506 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:18:59,507 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:18:59,507 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:18:59,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:18:59,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1009333063, now seen corresponding path program 1 times [2018-11-10 06:18:59,508 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:18:59,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:18:59,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:18:59,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:18:59,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:18:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:18:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:18:59,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:18:59,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 06:18:59,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 06:18:59,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 06:18:59,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 06:18:59,616 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-11-10 06:19:00,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:00,236 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-11-10 06:19:00,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 06:19:00,237 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-10 06:19:00,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:00,242 INFO L225 Difference]: With dead ends: 1075 [2018-11-10 06:19:00,242 INFO L226 Difference]: Without dead ends: 741 [2018-11-10 06:19:00,244 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 06:19:00,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-10 06:19:00,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-10 06:19:00,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-10 06:19:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-11-10 06:19:00,268 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 131 [2018-11-10 06:19:00,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:00,269 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-11-10 06:19:00,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 06:19:00,269 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-11-10 06:19:00,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 06:19:00,272 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:00,273 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:00,273 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:00,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:00,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1121563035, now seen corresponding path program 1 times [2018-11-10 06:19:00,274 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:19:00,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:19:00,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:00,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:00,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:19:00,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:19:00,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 06:19:00,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 06:19:00,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 06:19:00,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:19:00,498 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 5 states. [2018-11-10 06:19:00,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:00,923 INFO L93 Difference]: Finished difference Result 1578 states and 2533 transitions. [2018-11-10 06:19:00,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 06:19:00,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2018-11-10 06:19:00,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:00,927 INFO L225 Difference]: With dead ends: 1578 [2018-11-10 06:19:00,927 INFO L226 Difference]: Without dead ends: 721 [2018-11-10 06:19:00,929 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:19:00,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-10 06:19:00,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-10 06:19:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-10 06:19:00,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1069 transitions. [2018-11-10 06:19:00,947 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1069 transitions. Word has length 132 [2018-11-10 06:19:00,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:00,948 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 1069 transitions. [2018-11-10 06:19:00,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 06:19:00,948 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1069 transitions. [2018-11-10 06:19:00,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 06:19:00,950 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:00,950 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:00,950 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:00,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:00,950 INFO L82 PathProgramCache]: Analyzing trace with hash 915740739, now seen corresponding path program 1 times [2018-11-10 06:19:00,950 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:19:00,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:19:00,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:00,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:00,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:19:01,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:19:01,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 06:19:01,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 06:19:01,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 06:19:01,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:19:01,147 INFO L87 Difference]: Start difference. First operand 721 states and 1069 transitions. Second operand 5 states. [2018-11-10 06:19:01,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:01,642 INFO L93 Difference]: Finished difference Result 1572 states and 2365 transitions. [2018-11-10 06:19:01,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 06:19:01,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-11-10 06:19:01,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:01,646 INFO L225 Difference]: With dead ends: 1572 [2018-11-10 06:19:01,646 INFO L226 Difference]: Without dead ends: 720 [2018-11-10 06:19:01,651 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:19:01,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-11-10 06:19:01,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2018-11-10 06:19:01,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-10 06:19:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1062 transitions. [2018-11-10 06:19:01,666 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1062 transitions. Word has length 133 [2018-11-10 06:19:01,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:01,667 INFO L481 AbstractCegarLoop]: Abstraction has 720 states and 1062 transitions. [2018-11-10 06:19:01,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 06:19:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1062 transitions. [2018-11-10 06:19:01,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 06:19:01,669 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:01,669 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:01,669 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:01,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:01,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1024180077, now seen corresponding path program 1 times [2018-11-10 06:19:01,669 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:19:01,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:19:01,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:01,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:01,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:19:01,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:19:01,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 06:19:01,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 06:19:01,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 06:19:01,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:19:01,757 INFO L87 Difference]: Start difference. First operand 720 states and 1062 transitions. Second operand 3 states. [2018-11-10 06:19:02,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:02,160 INFO L93 Difference]: Finished difference Result 1882 states and 2820 transitions. [2018-11-10 06:19:02,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 06:19:02,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2018-11-10 06:19:02,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:02,168 INFO L225 Difference]: With dead ends: 1882 [2018-11-10 06:19:02,168 INFO L226 Difference]: Without dead ends: 1168 [2018-11-10 06:19:02,171 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:19:02,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2018-11-10 06:19:02,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1164. [2018-11-10 06:19:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2018-11-10 06:19:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1592 transitions. [2018-11-10 06:19:02,196 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1592 transitions. Word has length 136 [2018-11-10 06:19:02,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:02,196 INFO L481 AbstractCegarLoop]: Abstraction has 1164 states and 1592 transitions. [2018-11-10 06:19:02,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 06:19:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1592 transitions. [2018-11-10 06:19:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 06:19:02,201 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:02,201 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:02,201 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:02,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:02,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1336149662, now seen corresponding path program 1 times [2018-11-10 06:19:02,201 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:19:02,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:19:02,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:02,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:02,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:19:02,292 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:19:02,292 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/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 [2018-11-10 06:19:02,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:02,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:19:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 06:19:02,464 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 06:19:02,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-10 06:19:02,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 06:19:02,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 06:19:02,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-10 06:19:02,466 INFO L87 Difference]: Start difference. First operand 1164 states and 1592 transitions. Second operand 8 states. [2018-11-10 06:19:03,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:03,685 INFO L93 Difference]: Finished difference Result 3854 states and 5787 transitions. [2018-11-10 06:19:03,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-10 06:19:03,686 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 168 [2018-11-10 06:19:03,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:03,696 INFO L225 Difference]: With dead ends: 3854 [2018-11-10 06:19:03,696 INFO L226 Difference]: Without dead ends: 2696 [2018-11-10 06:19:03,702 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-10 06:19:03,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2018-11-10 06:19:03,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2309. [2018-11-10 06:19:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2309 states. [2018-11-10 06:19:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3046 transitions. [2018-11-10 06:19:03,770 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3046 transitions. Word has length 168 [2018-11-10 06:19:03,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:03,770 INFO L481 AbstractCegarLoop]: Abstraction has 2309 states and 3046 transitions. [2018-11-10 06:19:03,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 06:19:03,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3046 transitions. [2018-11-10 06:19:03,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-10 06:19:03,775 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:03,775 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:03,775 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:03,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:03,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1442149084, now seen corresponding path program 1 times [2018-11-10 06:19:03,776 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:19:03,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:19:03,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:03,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:03,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:03,871 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:19:03,872 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:19:03,872 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/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 [2018-11-10 06:19:03,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:03,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:19:03,994 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 06:19:04,011 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 06:19:04,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-10 06:19:04,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 06:19:04,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 06:19:04,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-10 06:19:04,012 INFO L87 Difference]: Start difference. First operand 2309 states and 3046 transitions. Second operand 8 states. [2018-11-10 06:19:05,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:05,115 INFO L93 Difference]: Finished difference Result 7646 states and 10775 transitions. [2018-11-10 06:19:05,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-10 06:19:05,115 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 188 [2018-11-10 06:19:05,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:05,139 INFO L225 Difference]: With dead ends: 7646 [2018-11-10 06:19:05,139 INFO L226 Difference]: Without dead ends: 5343 [2018-11-10 06:19:05,150 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2018-11-10 06:19:05,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5343 states. [2018-11-10 06:19:05,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5343 to 5232. [2018-11-10 06:19:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5232 states. [2018-11-10 06:19:05,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 6622 transitions. [2018-11-10 06:19:05,262 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 6622 transitions. Word has length 188 [2018-11-10 06:19:05,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:05,262 INFO L481 AbstractCegarLoop]: Abstraction has 5232 states and 6622 transitions. [2018-11-10 06:19:05,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 06:19:05,262 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 6622 transitions. [2018-11-10 06:19:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-10 06:19:05,275 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:05,276 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:05,276 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:05,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:05,276 INFO L82 PathProgramCache]: Analyzing trace with hash 297301997, now seen corresponding path program 1 times [2018-11-10 06:19:05,276 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:19:05,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:19:05,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:05,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:05,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:05,453 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 151 proven. 69 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 06:19:05,453 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:19:05,453 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/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 [2018-11-10 06:19:05,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:05,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:19:05,594 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 183 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-10 06:19:05,610 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 06:19:05,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2018-11-10 06:19:05,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 06:19:05,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 06:19:05,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-10 06:19:05,611 INFO L87 Difference]: Start difference. First operand 5232 states and 6622 transitions. Second operand 11 states. [2018-11-10 06:19:06,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:06,541 INFO L93 Difference]: Finished difference Result 8792 states and 11121 transitions. [2018-11-10 06:19:06,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-10 06:19:06,541 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 245 [2018-11-10 06:19:06,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:06,542 INFO L225 Difference]: With dead ends: 8792 [2018-11-10 06:19:06,542 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 06:19:06,553 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2018-11-10 06:19:06,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 06:19:06,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 06:19:06,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 06:19:06,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 06:19:06,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2018-11-10 06:19:06,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:06,554 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 06:19:06,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 06:19:06,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 06:19:06,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 06:19:06,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 06:19:06,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:06,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:19:07,134 WARN L179 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2018-11-10 06:19:07,310 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2018-11-10 06:19:07,452 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2018-11-10 06:19:07,454 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:19:07,454 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-11-10 06:19:07,454 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:19:07,454 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-10 06:19:07,455 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-10 06:19:07,456 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-10 06:19:07,456 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-10 06:19:07,456 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-10 06:19:07,456 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-10 06:19:07,456 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,456 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,456 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,456 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,456 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,456 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,456 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-10 06:19:07,456 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-10 06:19:07,457 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-10 06:19:07,458 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-10 06:19:07,459 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-10 06:19:07,460 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-10 06:19:07,461 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,462 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,463 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,464 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,464 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-10 06:19:07,464 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-10 06:19:07,464 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-10 06:19:07,464 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-10 06:19:07,464 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-10 06:19:07,464 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-10 06:19:07,464 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-10 06:19:07,464 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-10 06:19:07,464 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-10 06:19:07,464 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-10 06:19:07,465 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse11 (= 13 |old(~a8~0)|)) (.cse22 (= 1 |old(~a7~0)|))) (let ((.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse2 (< 0 |old(~a7~0)|)) (.cse12 (not (= ~a8~0 13))) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse5 (<= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a20~0 |old(~a20~0)|)) (.cse0 (= 6 |old(~a16~0)|)) (.cse14 (= 1 ~a7~0)) (.cse13 (not .cse22)) (.cse16 (not (= 1 |old(~a21~0)|))) (.cse8 (not (= 1 |old(~a20~0)|))) (.cse17 (not (= 4 |old(~a16~0)|))) (.cse1 (not (= 8 ~a12~0))) (.cse18 (= 1 ~a20~0)) (.cse19 (= 13 ~a8~0)) (.cse6 (= |old(~a16~0)| ~a16~0)) (.cse20 (= 1 ~a21~0)) (.cse9 (= 1 ~a17~0)) (.cse21 (not .cse11)) (.cse10 (not (= 1 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7)) (or .cse8 (and .cse3 .cse5 .cse6 .cse7 .cse9) .cse1 .cse2 .cse10) (or .cse11 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse12) .cse1 .cse2) (or .cse0 .cse11 .cse1 .cse13 (and .cse14 .cse4 .cse5 .cse6 .cse7 .cse12)) (or (and .cse14 (and .cse4 .cse5 .cse6) .cse7) .cse13 (let ((.cse15 (< 0 |old(~a21~0)|))) (and (or .cse0 .cse1 .cse15) (or .cse8 .cse1 .cse15)))) (or .cse16 .cse8 .cse17 (and .cse14 .cse18 .cse19 .cse6 .cse20 .cse9) .cse1 .cse13 .cse21 .cse10) (or .cse16 .cse22 .cse8 .cse17 .cse1 (and (not (= ~a7~0 1)) .cse18 .cse19 .cse6 .cse20 .cse9) .cse21 .cse10)))) [2018-11-10 06:19:07,465 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-10 06:19:07,465 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,465 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,465 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,465 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,465 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,465 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-10 06:19:07,465 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,465 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-10 06:19:07,465 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-10 06:19:07,465 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,466 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-10 06:19:07,467 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= ~a12~0 8) (<= ~a7~0 0) (not (= ~a8~0 13)) (= 1 ~a17~0)) [2018-11-10 06:19:07,468 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:19:07,468 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (and (= |old(~a16~0)| ~a16~0) (not (= ~a8~0 13)) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|)) (not (= 8 ~a12~0)) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-10 06:19:07,468 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-10 06:19:07,469 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6))) (.cse5 (not (= ~a8~0 13))) (.cse2 (= 1 ~a20~0)) (.cse6 (<= ~a7~0 0)) (.cse4 (= 1 ~a17~0))) (or (and .cse0 (let ((.cse1 (<= ~a21~0 0))) (or (and .cse1 .cse2) (and .cse1 .cse3)))) (and .cse2 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) .cse4) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse3 .cse5) (and .cse3 .cse6) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (and .cse5 .cse6) (= 13 |old(~a8~0)|) (not (= 1 |old(~a17~0)|)) (and .cse2 .cse6 .cse4))) [2018-11-10 06:19:07,469 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-10 06:19:07,469 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-10 06:19:07,469 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-10 06:19:07,469 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6))) (.cse5 (not (= ~a8~0 13))) (.cse2 (= 1 ~a20~0)) (.cse6 (<= ~a7~0 0)) (.cse4 (= 1 ~a17~0))) (or (and .cse0 (let ((.cse1 (<= ~a21~0 0))) (or (and .cse1 .cse2) (and .cse1 .cse3)))) (and .cse2 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) .cse4) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse3 .cse5) (and .cse3 .cse6) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (and .cse5 .cse6) (= 13 |old(~a8~0)|) (not (= 1 |old(~a17~0)|)) (and .cse2 .cse6 .cse4))) [2018-11-10 06:19:07,469 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-10 06:19:07,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:19:07 BoogieIcfgContainer [2018-11-10 06:19:07,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 06:19:07,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:19:07,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:19:07,483 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:19:07,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:18:58" (3/4) ... [2018-11-10 06:19:07,487 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 06:19:07,495 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 06:19:07,495 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 06:19:07,495 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 06:19:07,503 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 06:19:07,504 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 06:19:07,528 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1 == a7 && ((a21 <= 0 && 1 == a20) || (a21 <= 0 && !(a16 == 6)))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || !(8 == a12)) || !(1 == \old(a20))) || ((1 == a7 && !(a16 == 6)) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || 0 < \old(a7)) || 6 == \old(a16)) || (!(a8 == 13) && a7 <= 0)) || 13 == \old(a8)) || !(1 == \old(a17))) || ((1 == a20 && a7 <= 0) && 1 == a17) [2018-11-10 06:19:07,608 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ef2a710e-8e2e-4012-9bcc-e70c01f43041/bin-2019/uautomizer/witness.graphml [2018-11-10 06:19:07,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:19:07,609 INFO L168 Benchmark]: Toolchain (without parser) took 10322.45 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 344.5 MB). Free memory was 956.6 MB in the beginning and 853.1 MB in the end (delta: 103.4 MB). Peak memory consumption was 447.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:07,610 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:19:07,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.28 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:07,610 INFO L168 Benchmark]: Boogie Preprocessor took 107.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:07,611 INFO L168 Benchmark]: RCFGBuilder took 742.76 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: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:07,611 INFO L168 Benchmark]: TraceAbstraction took 8984.84 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 219.2 MB). Free memory was 1.0 GB in the beginning and 872.3 MB in the end (delta: 136.4 MB). Peak memory consumption was 355.6 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:07,611 INFO L168 Benchmark]: Witness Printer took 125.64 ms. Allocated memory is still 1.4 GB. Free memory was 872.3 MB in the beginning and 853.1 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:07,613 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.28 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 742.76 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: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8984.84 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 219.2 MB). Free memory was 1.0 GB in the beginning and 872.3 MB in the end (delta: 136.4 MB). Peak memory consumption was 355.6 MB. Max. memory is 11.5 GB. * Witness Printer took 125.64 ms. Allocated memory is still 1.4 GB. Free memory was 872.3 MB in the beginning and 853.1 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((1 == a7 && ((a21 <= 0 && 1 == a20) || (a21 <= 0 && !(a16 == 6)))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || !(8 == a12)) || !(1 == \old(a20))) || ((1 == a7 && !(a16 == 6)) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || 0 < \old(a7)) || 6 == \old(a16)) || (!(a8 == 13) && a7 <= 0)) || 13 == \old(a8)) || !(1 == \old(a17))) || ((1 == a20 && a7 <= 0) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 8.9s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 5.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 741 SDtfs, 7089 SDslu, 949 SDs, 0 SdLazy, 7776 SolverSat, 1681 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 723 GetRequests, 637 SyntacticMatches, 9 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5232occurred in iteration=7, 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: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 519 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 109 PreInvPairs, 185 NumberOfFragments, 548 HoareAnnotationTreeSize, 109 FomulaSimplifications, 8864 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2089 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1854 NumberOfCodeBlocks, 1854 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1843 ConstructedInterpolants, 0 QuantifiedInterpolants, 1261428 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1606 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 652/808 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...