./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/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 4efbed7cd0f5d77b92597ff02e6d19fa8a62de34 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:58:49,708 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:58:49,709 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:58:49,715 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:58:49,716 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:58:49,716 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:58:49,717 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:58:49,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:58:49,719 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:58:49,720 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:58:49,721 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:58:49,721 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:58:49,721 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:58:49,722 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:58:49,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:58:49,723 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:58:49,723 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:58:49,724 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:58:49,725 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:58:49,726 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:58:49,727 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:58:49,728 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:58:49,729 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:58:49,729 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:58:49,729 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:58:49,730 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:58:49,730 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:58:49,731 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:58:49,731 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:58:49,732 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:58:49,732 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:58:49,733 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:58:49,733 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:58:49,733 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:58:49,734 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:58:49,734 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:58:49,734 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:58:49,742 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:58:49,742 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:58:49,742 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:58:49,743 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:58:49,743 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:58:49,743 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:58:49,743 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:58:49,744 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:58:49,744 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:58:49,744 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:58:49,744 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:58:49,744 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:58:49,744 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:58:49,744 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:58:49,745 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:58:49,745 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:58:49,745 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:58:49,745 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:58:49,745 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:58:49,745 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:58:49,746 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:58:49,746 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:58:49,746 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:58:49,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:58:49,746 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:58:49,746 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:58:49,747 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:58:49,747 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:58:49,747 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:58:49,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:58:49,747 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_4c159d85-0be6-4f42-9c00-f76731e75671/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 -> 4efbed7cd0f5d77b92597ff02e6d19fa8a62de34 [2018-11-28 11:58:49,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:58:49,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:58:49,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:58:49,784 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:58:49,784 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:58:49,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-11-28 11:58:49,824 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/bin-2019/uautomizer/data/e7dbd6754/bdf48573993a49e286ff0f19f1ff16e5/FLAG7cc9d64f5 [2018-11-28 11:58:50,284 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:58:50,284 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-11-28 11:58:50,296 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/bin-2019/uautomizer/data/e7dbd6754/bdf48573993a49e286ff0f19f1ff16e5/FLAG7cc9d64f5 [2018-11-28 11:58:50,802 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/bin-2019/uautomizer/data/e7dbd6754/bdf48573993a49e286ff0f19f1ff16e5 [2018-11-28 11:58:50,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:58:50,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:58:50,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:58:50,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:58:50,809 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:58:50,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:58:50" (1/1) ... [2018-11-28 11:58:50,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29cc7d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:50, skipping insertion in model container [2018-11-28 11:58:50,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:58:50" (1/1) ... [2018-11-28 11:58:50,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:58:50,846 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:58:51,073 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:58:51,077 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:58:51,200 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:58:51,213 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:58:51,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:51 WrapperNode [2018-11-28 11:58:51,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:58:51,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:58:51,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:58:51,214 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:58:51,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:51" (1/1) ... [2018-11-28 11:58:51,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:51" (1/1) ... [2018-11-28 11:58:51,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:58:51,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:58:51,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:58:51,239 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:58:51,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:51" (1/1) ... [2018-11-28 11:58:51,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:51" (1/1) ... [2018-11-28 11:58:51,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:51" (1/1) ... [2018-11-28 11:58:51,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:51" (1/1) ... [2018-11-28 11:58:51,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:51" (1/1) ... [2018-11-28 11:58:51,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:51" (1/1) ... [2018-11-28 11:58:51,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:51" (1/1) ... [2018-11-28 11:58:51,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:58:51,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:58:51,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:58:51,289 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:58:51,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/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 [2018-11-28 11:58:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:58:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:58:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 11:58:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 11:58:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:58:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:58:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:58:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:58:52,007 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:58:52,007 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 11:58:52,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:58:52 BoogieIcfgContainer [2018-11-28 11:58:52,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:58:52,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:58:52,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:58:52,011 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:58:52,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:58:50" (1/3) ... [2018-11-28 11:58:52,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2df160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:58:52, skipping insertion in model container [2018-11-28 11:58:52,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:58:51" (2/3) ... [2018-11-28 11:58:52,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2df160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:58:52, skipping insertion in model container [2018-11-28 11:58:52,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:58:52" (3/3) ... [2018-11-28 11:58:52,013 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label06_true-unreach-call_false-termination.c [2018-11-28 11:58:52,019 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:58:52,025 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:58:52,035 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:58:52,057 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:58:52,057 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:58:52,057 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:58:52,057 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:58:52,058 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:58:52,058 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:58:52,058 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:58:52,058 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:58:52,058 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:58:52,075 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-28 11:58:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-28 11:58:52,084 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:58:52,085 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:58:52,087 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:58:52,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:58:52,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1121979298, now seen corresponding path program 1 times [2018-11-28 11:58:52,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:58:52,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:58:52,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:52,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:58:52,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:58:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:58:52,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:58:52,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:58:52,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:58:52,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:58:52,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:58:52,419 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-28 11:58:52,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:58:52,975 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-28 11:58:52,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:58:52,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-11-28 11:58:52,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:58:52,989 INFO L225 Difference]: With dead ends: 618 [2018-11-28 11:58:52,989 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 11:58:52,993 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:58:53,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 11:58:53,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 11:58:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 11:58:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 465 transitions. [2018-11-28 11:58:53,036 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 465 transitions. Word has length 146 [2018-11-28 11:58:53,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:58:53,037 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 465 transitions. [2018-11-28 11:58:53,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:58:53,037 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2018-11-28 11:58:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-28 11:58:53,040 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:58:53,040 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:58:53,040 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:58:53,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:58:53,041 INFO L82 PathProgramCache]: Analyzing trace with hash -74166087, now seen corresponding path program 1 times [2018-11-28 11:58:53,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:58:53,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:58:53,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:53,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:58:53,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:58:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:58:53,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:58:53,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:58:53,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:58:53,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:58:53,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:58:53,229 INFO L87 Difference]: Start difference. First operand 320 states and 465 transitions. Second operand 5 states. [2018-11-28 11:58:53,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:58:53,580 INFO L93 Difference]: Finished difference Result 721 states and 1089 transitions. [2018-11-28 11:58:53,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:58:53,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2018-11-28 11:58:53,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:58:53,583 INFO L225 Difference]: With dead ends: 721 [2018-11-28 11:58:53,583 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 11:58:53,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:58:53,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 11:58:53,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 11:58:53,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 11:58:53,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 461 transitions. [2018-11-28 11:58:53,600 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 461 transitions. Word has length 154 [2018-11-28 11:58:53,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:58:53,601 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 461 transitions. [2018-11-28 11:58:53,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:58:53,601 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 461 transitions. [2018-11-28 11:58:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-28 11:58:53,603 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:58:53,603 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:58:53,604 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:58:53,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:58:53,604 INFO L82 PathProgramCache]: Analyzing trace with hash 742954861, now seen corresponding path program 1 times [2018-11-28 11:58:53,604 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:58:53,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:58:53,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:53,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:58:53,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:58:53,799 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:58:53,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:58:53,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:58:53,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:58:53,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:58:53,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:58:53,800 INFO L87 Difference]: Start difference. First operand 320 states and 461 transitions. Second operand 5 states. [2018-11-28 11:58:54,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:58:54,114 INFO L93 Difference]: Finished difference Result 717 states and 1075 transitions. [2018-11-28 11:58:54,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:58:54,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2018-11-28 11:58:54,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:58:54,116 INFO L225 Difference]: With dead ends: 717 [2018-11-28 11:58:54,116 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 11:58:54,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:58:54,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 11:58:54,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 11:58:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 11:58:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 455 transitions. [2018-11-28 11:58:54,126 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 455 transitions. Word has length 160 [2018-11-28 11:58:54,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:58:54,127 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 455 transitions. [2018-11-28 11:58:54,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:58:54,127 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 455 transitions. [2018-11-28 11:58:54,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-28 11:58:54,128 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:58:54,129 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:58:54,129 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:58:54,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:58:54,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1806866058, now seen corresponding path program 1 times [2018-11-28 11:58:54,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:58:54,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:58:54,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:54,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:58:54,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:58:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:58:54,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:58:54,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:58:54,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:58:54,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:58:54,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:58:54,218 INFO L87 Difference]: Start difference. First operand 320 states and 455 transitions. Second operand 6 states. [2018-11-28 11:58:54,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:58:54,675 INFO L93 Difference]: Finished difference Result 951 states and 1383 transitions. [2018-11-28 11:58:54,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:58:54,677 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-11-28 11:58:54,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:58:54,680 INFO L225 Difference]: With dead ends: 951 [2018-11-28 11:58:54,680 INFO L226 Difference]: Without dead ends: 637 [2018-11-28 11:58:54,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:58:54,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-11-28 11:58:54,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 626. [2018-11-28 11:58:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 11:58:54,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 871 transitions. [2018-11-28 11:58:54,706 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 871 transitions. Word has length 168 [2018-11-28 11:58:54,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:58:54,707 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 871 transitions. [2018-11-28 11:58:54,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:58:54,707 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 871 transitions. [2018-11-28 11:58:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-28 11:58:54,709 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:58:54,709 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:58:54,710 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:58:54,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:58:54,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1446244430, now seen corresponding path program 1 times [2018-11-28 11:58:54,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:58:54,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:58:54,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:54,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:58:54,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:58:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:58:54,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:58:54,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:58:54,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:58:54,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:58:54,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:58:54,872 INFO L87 Difference]: Start difference. First operand 626 states and 871 transitions. Second operand 5 states. [2018-11-28 11:58:55,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:58:55,222 INFO L93 Difference]: Finished difference Result 1330 states and 1903 transitions. [2018-11-28 11:58:55,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:58:55,222 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2018-11-28 11:58:55,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:58:55,224 INFO L225 Difference]: With dead ends: 1330 [2018-11-28 11:58:55,224 INFO L226 Difference]: Without dead ends: 626 [2018-11-28 11:58:55,225 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:58:55,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-11-28 11:58:55,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-11-28 11:58:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 11:58:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 859 transitions. [2018-11-28 11:58:55,242 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 859 transitions. Word has length 170 [2018-11-28 11:58:55,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:58:55,243 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 859 transitions. [2018-11-28 11:58:55,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:58:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 859 transitions. [2018-11-28 11:58:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-28 11:58:55,244 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:58:55,245 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:58:55,245 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:58:55,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:58:55,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1864889838, now seen corresponding path program 1 times [2018-11-28 11:58:55,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:58:55,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:58:55,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:55,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:58:55,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:58:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:58:55,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:58:55,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:58:55,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:58:55,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:58:55,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:58:55,400 INFO L87 Difference]: Start difference. First operand 626 states and 859 transitions. Second operand 5 states. [2018-11-28 11:58:55,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:58:55,826 INFO L93 Difference]: Finished difference Result 1332 states and 1878 transitions. [2018-11-28 11:58:55,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:58:55,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2018-11-28 11:58:55,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:58:55,830 INFO L225 Difference]: With dead ends: 1332 [2018-11-28 11:58:55,830 INFO L226 Difference]: Without dead ends: 626 [2018-11-28 11:58:55,832 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:58:55,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-11-28 11:58:55,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-11-28 11:58:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 11:58:55,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 843 transitions. [2018-11-28 11:58:55,848 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 843 transitions. Word has length 172 [2018-11-28 11:58:55,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:58:55,848 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 843 transitions. [2018-11-28 11:58:55,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:58:55,848 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 843 transitions. [2018-11-28 11:58:55,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-28 11:58:55,850 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:58:55,850 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:58:55,851 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:58:55,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:58:55,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1412924006, now seen corresponding path program 1 times [2018-11-28 11:58:55,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:58:55,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:58:55,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:55,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:58:55,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:58:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:58:55,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:58:55,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:58:55,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:58:55,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:58:55,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:58:55,920 INFO L87 Difference]: Start difference. First operand 626 states and 843 transitions. Second operand 6 states. [2018-11-28 11:58:56,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:58:56,447 INFO L93 Difference]: Finished difference Result 1858 states and 2601 transitions. [2018-11-28 11:58:56,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:58:56,449 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-11-28 11:58:56,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:58:56,453 INFO L225 Difference]: With dead ends: 1858 [2018-11-28 11:58:56,453 INFO L226 Difference]: Without dead ends: 1238 [2018-11-28 11:58:56,455 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:58:56,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-11-28 11:58:56,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1218. [2018-11-28 11:58:56,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2018-11-28 11:58:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1637 transitions. [2018-11-28 11:58:56,479 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1637 transitions. Word has length 176 [2018-11-28 11:58:56,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:58:56,479 INFO L480 AbstractCegarLoop]: Abstraction has 1218 states and 1637 transitions. [2018-11-28 11:58:56,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:58:56,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1637 transitions. [2018-11-28 11:58:56,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-28 11:58:56,482 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:58:56,482 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:58:56,483 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:58:56,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:58:56,483 INFO L82 PathProgramCache]: Analyzing trace with hash -788488225, now seen corresponding path program 1 times [2018-11-28 11:58:56,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:58:56,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:58:56,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:56,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:58:56,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:58:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:58:56,585 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:58:56,586 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/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 [2018-11-28 11:58:56,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:58:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:58:56,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:58:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 11:58:56,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:58:56,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2018-11-28 11:58:56,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:58:56,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:58:56,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:58:56,752 INFO L87 Difference]: Start difference. First operand 1218 states and 1637 transitions. Second operand 8 states. [2018-11-28 11:58:58,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:58:58,334 INFO L93 Difference]: Finished difference Result 4712 states and 6777 transitions. [2018-11-28 11:58:58,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 11:58:58,335 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2018-11-28 11:58:58,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:58:58,345 INFO L225 Difference]: With dead ends: 4712 [2018-11-28 11:58:58,345 INFO L226 Difference]: Without dead ends: 3500 [2018-11-28 11:58:58,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2018-11-28 11:58:58,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3500 states. [2018-11-28 11:58:58,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3500 to 3483. [2018-11-28 11:58:58,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3483 states. [2018-11-28 11:58:58,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3483 states to 3483 states and 4512 transitions. [2018-11-28 11:58:58,411 INFO L78 Accepts]: Start accepts. Automaton has 3483 states and 4512 transitions. Word has length 181 [2018-11-28 11:58:58,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:58:58,412 INFO L480 AbstractCegarLoop]: Abstraction has 3483 states and 4512 transitions. [2018-11-28 11:58:58,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:58:58,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3483 states and 4512 transitions. [2018-11-28 11:58:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-28 11:58:58,419 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:58:58,420 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:58:58,420 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:58:58,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:58:58,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1936433181, now seen corresponding path program 1 times [2018-11-28 11:58:58,420 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:58:58,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:58:58,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:58,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:58:58,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:58:58,609 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:58:58,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:58:58,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:58:58,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:58:58,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:58:58,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:58:58,610 INFO L87 Difference]: Start difference. First operand 3483 states and 4512 transitions. Second operand 6 states. [2018-11-28 11:58:59,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:58:59,034 INFO L93 Difference]: Finished difference Result 8292 states and 10873 transitions. [2018-11-28 11:58:59,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:58:59,035 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2018-11-28 11:58:59,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:58:59,047 INFO L225 Difference]: With dead ends: 8292 [2018-11-28 11:58:59,047 INFO L226 Difference]: Without dead ends: 4819 [2018-11-28 11:58:59,053 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:58:59,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4819 states. [2018-11-28 11:58:59,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4819 to 4069. [2018-11-28 11:58:59,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4069 states. [2018-11-28 11:58:59,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 4069 states and 5044 transitions. [2018-11-28 11:58:59,119 INFO L78 Accepts]: Start accepts. Automaton has 4069 states and 5044 transitions. Word has length 216 [2018-11-28 11:58:59,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:58:59,120 INFO L480 AbstractCegarLoop]: Abstraction has 4069 states and 5044 transitions. [2018-11-28 11:58:59,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:58:59,120 INFO L276 IsEmpty]: Start isEmpty. Operand 4069 states and 5044 transitions. [2018-11-28 11:58:59,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-28 11:58:59,128 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:58:59,128 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:58:59,128 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:58:59,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:58:59,128 INFO L82 PathProgramCache]: Analyzing trace with hash -499769692, now seen corresponding path program 1 times [2018-11-28 11:58:59,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:58:59,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:58:59,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:59,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:58:59,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:58:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:58:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 116 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:58:59,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:58:59,269 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/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 [2018-11-28 11:58:59,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:58:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:58:59,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:58:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 11:58:59,425 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:58:59,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2018-11-28 11:58:59,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 11:58:59,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 11:58:59,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-11-28 11:58:59,427 INFO L87 Difference]: Start difference. First operand 4069 states and 5044 transitions. Second operand 15 states. [2018-11-28 11:59:00,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:59:00,860 INFO L93 Difference]: Finished difference Result 8471 states and 11188 transitions. [2018-11-28 11:59:00,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 11:59:00,861 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 251 [2018-11-28 11:59:00,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:59:00,879 INFO L225 Difference]: With dead ends: 8471 [2018-11-28 11:59:00,879 INFO L226 Difference]: Without dead ends: 3938 [2018-11-28 11:59:00,891 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2018-11-28 11:59:00,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2018-11-28 11:59:00,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 3310. [2018-11-28 11:59:00,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3310 states. [2018-11-28 11:59:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 3310 states and 4267 transitions. [2018-11-28 11:59:01,002 INFO L78 Accepts]: Start accepts. Automaton has 3310 states and 4267 transitions. Word has length 251 [2018-11-28 11:59:01,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:59:01,003 INFO L480 AbstractCegarLoop]: Abstraction has 3310 states and 4267 transitions. [2018-11-28 11:59:01,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 11:59:01,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 4267 transitions. [2018-11-28 11:59:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-28 11:59:01,020 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:59:01,021 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:59:01,021 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:59:01,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:59:01,021 INFO L82 PathProgramCache]: Analyzing trace with hash 61009168, now seen corresponding path program 1 times [2018-11-28 11:59:01,021 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:59:01,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:59:01,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:01,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:59:01,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:59:01,148 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 111 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-28 11:59:01,149 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:59:01,149 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/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 [2018-11-28 11:59:01,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:59:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:59:01,227 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:59:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-28 11:59:01,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:59:01,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-28 11:59:01,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:59:01,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:59:01,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:59:01,307 INFO L87 Difference]: Start difference. First operand 3310 states and 4267 transitions. Second operand 9 states. [2018-11-28 11:59:02,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:59:02,447 INFO L93 Difference]: Finished difference Result 6363 states and 8325 transitions. [2018-11-28 11:59:02,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-28 11:59:02,447 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 257 [2018-11-28 11:59:02,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:59:02,456 INFO L225 Difference]: With dead ends: 6363 [2018-11-28 11:59:02,456 INFO L226 Difference]: Without dead ends: 3053 [2018-11-28 11:59:02,465 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2018-11-28 11:59:02,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2018-11-28 11:59:02,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 2612. [2018-11-28 11:59:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2612 states. [2018-11-28 11:59:02,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 2951 transitions. [2018-11-28 11:59:02,527 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 2951 transitions. Word has length 257 [2018-11-28 11:59:02,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:59:02,527 INFO L480 AbstractCegarLoop]: Abstraction has 2612 states and 2951 transitions. [2018-11-28 11:59:02,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:59:02,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 2951 transitions. [2018-11-28 11:59:02,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-28 11:59:02,533 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:59:02,534 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:59:02,534 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:59:02,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:59:02,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1641491959, now seen corresponding path program 1 times [2018-11-28 11:59:02,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:59:02,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:59:02,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:02,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:59:02,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:59:02,772 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 247 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:59:02,772 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:59:02,772 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:59:02,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:59:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:59:02,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:59:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 246 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-28 11:59:02,940 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:59:02,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2018-11-28 11:59:02,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 11:59:02,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 11:59:02,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:59:02,942 INFO L87 Difference]: Start difference. First operand 2612 states and 2951 transitions. Second operand 13 states. [2018-11-28 11:59:04,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:59:04,540 INFO L93 Difference]: Finished difference Result 4966 states and 5717 transitions. [2018-11-28 11:59:04,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-28 11:59:04,541 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 309 [2018-11-28 11:59:04,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:59:04,541 INFO L225 Difference]: With dead ends: 4966 [2018-11-28 11:59:04,541 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:59:04,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=261, Invalid=929, Unknown=0, NotChecked=0, Total=1190 [2018-11-28 11:59:04,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:59:04,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:59:04,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:59:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:59:04,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-11-28 11:59:04,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:59:04,549 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:59:04,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 11:59:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:59:04,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:59:04,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:59:04,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,838 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 165 [2018-11-28 11:59:04,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:59:04,994 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 165 [2018-11-28 11:59:05,753 WARN L180 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 92 [2018-11-28 11:59:06,374 WARN L180 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 76 [2018-11-28 11:59:06,922 WARN L180 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 76 [2018-11-28 11:59:06,924 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:59:06,924 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-28 11:59:06,924 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:59:06,924 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,924 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,924 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,924 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,924 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,925 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-28 11:59:06,926 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-28 11:59:06,927 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-28 11:59:06,928 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 592) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-28 11:59:06,929 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,930 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-28 11:59:06,931 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-28 11:59:06,932 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-28 11:59:06,933 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-28 11:59:06,934 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-28 11:59:06,934 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-28 11:59:06,934 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-28 11:59:06,934 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-28 11:59:06,934 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-28 11:59:06,934 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-28 11:59:06,934 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-28 11:59:06,934 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-28 11:59:06,934 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,934 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,934 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse28 (not (= ~a11~0 1))) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= ~a25~0 |old(~a25~0)|)) (.cse19 (= 1 |old(~a25~0)|)) (.cse21 (= 10 |old(~a28~0)|)) (.cse11 (= |old(~a28~0)| ~a28~0)) (.cse26 (= 7 ~a17~0)) (.cse27 (= |old(~a25~0)| ~a25~0)) (.cse15 (= 1 |old(~a19~0)|)) (.cse7 (= 1 |old(~a11~0)|))) (let ((.cse3 (not (= 8 |old(~a17~0)|))) (.cse5 (= 9 |old(~a28~0)|)) (.cse16 (not (= 7 |old(~a28~0)|))) (.cse6 (not .cse7)) (.cse17 (= 7 ~a28~0)) (.cse4 (= 1 ~a11~0)) (.cse18 (= 1 ~a19~0)) (.cse2 (not .cse15)) (.cse22 (= 11 |old(~a28~0)|)) (.cse20 (and .cse11 (= |old(~a19~0)| ~a19~0) .cse26 .cse27)) (.cse8 (= |old(~a17~0)| |old(~a28~0)|)) (.cse23 (not (= 7 |old(~a17~0)|))) (.cse0 (not (= 1 ~a21~0))) (.cse24 (not .cse21)) (.cse1 (not .cse19)) (.cse9 (not (= |old(~a17~0)| 8))) (.cse25 (< 0 |old(~a19~0)|)) (.cse10 (and .cse28 .cse11 .cse12 .cse13 .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse5) .cse6) (or .cse0 .cse7 .cse2 .cse8 .cse5 .cse9 .cse10) (or (< 10 |old(~a28~0)|) (and (and .cse11 .cse12 .cse13) .cse14) (or (or .cse0 .cse8 .cse9) .cse1 .cse2)) (or .cse15 .cse0 .cse16 .cse3 (and .cse17 (not (= ~a25~0 1)) .cse4 (= 8 ~a17~0) (not .cse18)) .cse6 .cse19) (or .cse8 .cse20 (or .cse15 .cse0 .cse21 .cse22) .cse23) (or .cse0 .cse7 .cse10 .cse2 .cse21 .cse8 .cse5 .cse22 .cse19) (or .cse4 .cse0 .cse24 .cse1 .cse2 .cse3 .cse6) (or .cse10 (or .cse0 .cse7 .cse21 .cse5 .cse25 .cse22) .cse9) (or .cse0 .cse16 .cse1 .cse2 .cse6 (and .cse17 .cse4 .cse26 .cse18 .cse27) .cse23) (or (or .cse0 .cse7 .cse1 .cse2 .cse9) (and (and .cse28 .cse11 .cse12 .cse13) .cse14)) (or (or .cse0 (not (= |old(~a19~0)| 1)) .cse21 .cse8 .cse9 .cse22 .cse19) (and .cse11 .cse12 .cse13 .cse14)) (or .cse20 .cse8 (or .cse0 .cse25 .cse19) .cse23) (or .cse0 .cse7 .cse24 .cse1 .cse9 .cse25 .cse10)))) [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-28 11:59:06,935 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-28 11:59:06,936 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-28 11:59:06,937 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-28 11:59:06,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:59:06,939 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (not (= 11 ~a28~0)) (not (= ~a25~0 1)) (= ~a19~0 1) (= ~a21~0 1) (not (= ~a11~0 1)) (not (= ~a28~0 9)) (not (= ~a28~0 10))) [2018-11-28 11:59:06,939 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:59:06,939 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:59:06,939 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (= 1 |old(~a11~0)|) (and (not (= ~a11~0 1)) (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (= 10 |old(~a28~0)|) (= |old(~a17~0)| |old(~a28~0)|) (= 9 |old(~a28~0)|) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|)) [2018-11-28 11:59:06,939 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse17 (= ~a25~0 1))) (let ((.cse0 (= 7 ~a28~0)) (.cse13 (not .cse17)) (.cse1 (= 1 ~a11~0)) (.cse5 (= 8 ~a17~0)) (.cse4 (= 1 ~a19~0)) (.cse7 (<= ~a19~0 0)) (.cse3 (= 1 ~a25~0)) (.cse16 (= 10 ~a28~0)) (.cse12 (not (= ~a28~0 ~a17~0))) (.cse8 (not (= 11 ~a28~0))) (.cse2 (= 7 ~a17~0)) (.cse11 (not (= ~a28~0 10))) (.cse6 (= |old(~a17~0)| 8)) (.cse9 (= |old(~a17~0)| ~a17~0)) (.cse14 (= ~a19~0 1)) (.cse10 (not (= ~a11~0 1)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (= 10 |old(~a28~0)|) (and .cse1 .cse3 (= 9 ~a28~0) .cse5 .cse4) (and .cse6 .cse7 .cse8 .cse9 .cse10 (not (= ~a28~0 9)) .cse11) (= 9 |old(~a28~0)|) (and .cse6 .cse12 .cse7 .cse13 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse9 (<= ~a28~0 10) .cse11 .cse6 .cse12 .cse14) (let ((.cse15 (= |old(~a19~0)| ~a19~0))) (or (and .cse6 .cse15 .cse12 .cse9 .cse10) (and .cse6 .cse15 .cse12 .cse8 .cse13 .cse9 .cse11))) (and .cse1 .cse3 .cse5 .cse4 .cse16) (and .cse0 .cse13 .cse1 .cse5 (not .cse4)) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (= |old(~a17~0)| |old(~a28~0)|) (and .cse6 .cse7 .cse9 .cse3 .cse16 .cse10) (and .cse10 (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse6 (not .cse14) .cse12 .cse8 .cse2 .cse11) (and (and .cse6 .cse9 .cse14 .cse10) .cse17)))) [2018-11-28 11:59:06,939 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-28 11:59:06,939 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-28 11:59:06,940 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse17 (= ~a25~0 1))) (let ((.cse0 (= 7 ~a28~0)) (.cse13 (not .cse17)) (.cse1 (= 1 ~a11~0)) (.cse5 (= 8 ~a17~0)) (.cse4 (= 1 ~a19~0)) (.cse7 (<= ~a19~0 0)) (.cse3 (= 1 ~a25~0)) (.cse16 (= 10 ~a28~0)) (.cse12 (not (= ~a28~0 ~a17~0))) (.cse8 (not (= 11 ~a28~0))) (.cse2 (= 7 ~a17~0)) (.cse11 (not (= ~a28~0 10))) (.cse6 (= |old(~a17~0)| 8)) (.cse9 (= |old(~a17~0)| ~a17~0)) (.cse14 (= ~a19~0 1)) (.cse10 (not (= ~a11~0 1)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (= 10 |old(~a28~0)|) (and .cse1 .cse3 (= 9 ~a28~0) .cse5 .cse4) (and .cse6 .cse7 .cse8 .cse9 .cse10 (not (= ~a28~0 9)) .cse11) (= 9 |old(~a28~0)|) (and .cse6 .cse12 .cse7 .cse13 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse9 (<= ~a28~0 10) .cse11 .cse6 .cse12 .cse14) (let ((.cse15 (= |old(~a19~0)| ~a19~0))) (or (and .cse6 .cse15 .cse12 .cse9 .cse10) (and .cse6 .cse15 .cse12 .cse8 .cse13 .cse9 .cse11))) (and .cse1 .cse3 .cse5 .cse4 .cse16) (and .cse0 .cse13 .cse1 .cse5 (not .cse4)) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (= |old(~a17~0)| |old(~a28~0)|) (and .cse6 .cse7 .cse9 .cse3 .cse16 .cse10) (and .cse10 (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse6 (not .cse14) .cse12 .cse8 .cse2 .cse11) (and (and .cse6 .cse9 .cse14 .cse10) .cse17)))) [2018-11-28 11:59:06,940 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-28 11:59:06,940 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-28 11:59:06,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:59:06 BoogieIcfgContainer [2018-11-28 11:59:06,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:59:06,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:59:06,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:59:06,964 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:59:06,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:58:52" (3/4) ... [2018-11-28 11:59:06,977 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:59:06,983 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:59:06,983 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 11:59:06,984 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:59:06,994 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 11:59:06,995 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 11:59:07,021 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(1 == a21) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || 10 == \old(a28)) || ((((1 == a11 && 1 == a25) && 9 == a28) && 8 == a17) && 1 == a19)) || ((((((\old(a17) == 8 && a19 <= 0) && !(11 == a28)) && \old(a17) == a17) && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 10))) || 9 == \old(a28)) || ((((\old(a17) == 8 && !(a28 == a17)) && a19 <= 0) && !(a25 == 1)) && 7 == a17)) || !(1 == \old(a19))) || (((((\old(a17) == a17 && a28 <= 10) && !(a28 == 10)) && \old(a17) == 8) && !(a28 == a17)) && a19 == 1)) || ((((\old(a17) == 8 && \old(a19) == a19) && !(a28 == a17)) && \old(a17) == a17) && !(a11 == 1)) || ((((((\old(a17) == 8 && \old(a19) == a19) && !(a28 == a17)) && !(11 == a28)) && !(a25 == 1)) && \old(a17) == a17) && !(a28 == 10))) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || ((((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17) && !(1 == a19))) || 11 == \old(a28)) || 1 == \old(a25)) || 1 == \old(a11)) || \old(a17) == \old(a28)) || (((((\old(a17) == 8 && a19 <= 0) && \old(a17) == a17) && 1 == a25) && 10 == a28) && !(a11 == 1))) || ((((!(a11 == 1) && \old(a28) == a28) && a17 == \old(a17)) && a19 == \old(a19)) && a25 == \old(a25))) || (((((\old(a17) == 8 && !(a19 == 1)) && !(a28 == a17)) && !(11 == a28)) && 7 == a17) && !(a28 == 10))) || ((((\old(a17) == 8 && \old(a17) == a17) && a19 == 1) && !(a11 == 1)) && a25 == 1) [2018-11-28 11:59:07,103 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4c159d85-0be6-4f42-9c00-f76731e75671/bin-2019/uautomizer/witness.graphml [2018-11-28 11:59:07,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:59:07,104 INFO L168 Benchmark]: Toolchain (without parser) took 16299.09 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 616.6 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -291.7 MB). Peak memory consumption was 324.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:07,104 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:59:07,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:07,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:07,106 INFO L168 Benchmark]: Boogie Preprocessor took 50.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:07,106 INFO L168 Benchmark]: RCFGBuilder took 718.62 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: 101.2 MB). Peak memory consumption was 101.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:07,107 INFO L168 Benchmark]: TraceAbstraction took 14955.51 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 486.0 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -246.3 MB). Peak memory consumption was 662.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:07,107 INFO L168 Benchmark]: Witness Printer took 139.26 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:07,109 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 407.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 718.62 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: 101.2 MB). Peak memory consumption was 101.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14955.51 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 486.0 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -246.3 MB). Peak memory consumption was 662.5 MB. Max. memory is 11.5 GB. * Witness Printer took 139.26 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 592]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(1 == a21) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || 10 == \old(a28)) || ((((1 == a11 && 1 == a25) && 9 == a28) && 8 == a17) && 1 == a19)) || ((((((\old(a17) == 8 && a19 <= 0) && !(11 == a28)) && \old(a17) == a17) && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 10))) || 9 == \old(a28)) || ((((\old(a17) == 8 && !(a28 == a17)) && a19 <= 0) && !(a25 == 1)) && 7 == a17)) || !(1 == \old(a19))) || (((((\old(a17) == a17 && a28 <= 10) && !(a28 == 10)) && \old(a17) == 8) && !(a28 == a17)) && a19 == 1)) || ((((\old(a17) == 8 && \old(a19) == a19) && !(a28 == a17)) && \old(a17) == a17) && !(a11 == 1)) || ((((((\old(a17) == 8 && \old(a19) == a19) && !(a28 == a17)) && !(11 == a28)) && !(a25 == 1)) && \old(a17) == a17) && !(a28 == 10))) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || ((((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17) && !(1 == a19))) || 11 == \old(a28)) || 1 == \old(a25)) || 1 == \old(a11)) || \old(a17) == \old(a28)) || (((((\old(a17) == 8 && a19 <= 0) && \old(a17) == a17) && 1 == a25) && 10 == a28) && !(a11 == 1))) || ((((!(a11 == 1) && \old(a28) == a28) && a17 == \old(a17)) && a19 == \old(a19)) && a25 == \old(a25))) || (((((\old(a17) == 8 && !(a19 == 1)) && !(a28 == a17)) && !(11 == a28)) && 7 == a17) && !(a28 == 10))) || ((((\old(a17) == 8 && \old(a17) == a17) && a19 == 1) && !(a11 == 1)) && a25 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 14.8s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 9.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 726 SDtfs, 8967 SDslu, 1039 SDs, 0 SdLazy, 15096 SolverSat, 1969 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1230 GetRequests, 1081 SyntacticMatches, 10 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4069occurred in iteration=9, 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: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1867 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 269 PreInvPairs, 391 NumberOfFragments, 1143 HoareAnnotationTreeSize, 269 FomulaSimplifications, 16195 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9944 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 3358 NumberOfCodeBlocks, 3358 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3342 ConstructedInterpolants, 0 QuantifiedInterpolants, 2944885 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2158 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 1311/1401 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...