./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:15:45,178 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:15:45,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:15:45,185 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:15:45,185 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:15:45,186 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:15:45,187 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:15:45,188 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:15:45,189 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:15:45,190 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:15:45,190 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:15:45,191 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:15:45,191 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:15:45,192 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:15:45,192 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:15:45,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:15:45,193 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:15:45,194 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:15:45,195 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:15:45,196 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:15:45,197 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:15:45,198 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:15:45,199 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:15:45,200 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:15:45,200 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:15:45,200 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:15:45,201 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:15:45,201 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:15:45,202 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:15:45,203 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:15:45,203 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:15:45,203 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:15:45,203 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:15:45,204 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:15:45,204 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:15:45,205 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:15:45,205 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:15:45,212 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:15:45,212 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:15:45,213 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:15:45,213 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:15:45,213 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:15:45,214 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:15:45,214 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:15:45,214 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:15:45,214 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:15:45,214 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:15:45,214 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:15:45,215 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:15:45,215 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:15:45,215 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:15:45,215 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:15:45,215 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:15:45,215 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:15:45,215 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:15:45,216 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:15:45,216 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:15:45,216 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:15:45,216 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:15:45,216 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:15:45,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:15:45,217 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:15:45,217 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:15:45,217 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:15:45,217 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:15:45,217 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:15:45,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:15:45,217 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_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc [2018-11-28 12:15:45,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:15:45,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:15:45,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:15:45,255 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:15:45,255 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:15:45,256 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-11-28 12:15:45,300 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/data/e82c3d425/63582b3869e84cfe99b446a7f201babc/FLAGbecdd417d [2018-11-28 12:15:45,775 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:15:45,776 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-11-28 12:15:45,786 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/data/e82c3d425/63582b3869e84cfe99b446a7f201babc/FLAGbecdd417d [2018-11-28 12:15:46,277 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/data/e82c3d425/63582b3869e84cfe99b446a7f201babc [2018-11-28 12:15:46,280 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:15:46,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:15:46,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:15:46,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:15:46,284 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:15:46,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:15:46" (1/1) ... [2018-11-28 12:15:46,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309868d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46, skipping insertion in model container [2018-11-28 12:15:46,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:15:46" (1/1) ... [2018-11-28 12:15:46,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:15:46,325 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:15:46,583 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:15:46,587 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:15:46,740 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:15:46,749 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:15:46,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46 WrapperNode [2018-11-28 12:15:46,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:15:46,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:15:46,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:15:46,750 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:15:46,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46" (1/1) ... [2018-11-28 12:15:46,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46" (1/1) ... [2018-11-28 12:15:46,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:15:46,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:15:46,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:15:46,775 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:15:46,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46" (1/1) ... [2018-11-28 12:15:46,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46" (1/1) ... [2018-11-28 12:15:46,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46" (1/1) ... [2018-11-28 12:15:46,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46" (1/1) ... [2018-11-28 12:15:46,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46" (1/1) ... [2018-11-28 12:15:46,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46" (1/1) ... [2018-11-28 12:15:46,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46" (1/1) ... [2018-11-28 12:15:46,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:15:46,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:15:46,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:15:46,826 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:15:46,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/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 12:15:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:15:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:15:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 12:15:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 12:15:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:15:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:15:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:15:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:15:47,911 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:15:47,912 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 12:15:47,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:15:47 BoogieIcfgContainer [2018-11-28 12:15:47,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:15:47,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:15:47,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:15:47,915 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:15:47,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:15:46" (1/3) ... [2018-11-28 12:15:47,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba03f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:15:47, skipping insertion in model container [2018-11-28 12:15:47,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:46" (2/3) ... [2018-11-28 12:15:47,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba03f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:15:47, skipping insertion in model container [2018-11-28 12:15:47,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:15:47" (3/3) ... [2018-11-28 12:15:47,917 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label55_true-unreach-call_false-termination.c [2018-11-28 12:15:47,923 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:15:47,930 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:15:47,940 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:15:47,962 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:15:47,962 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:15:47,962 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:15:47,962 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:15:47,963 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:15:47,963 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:15:47,963 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:15:47,963 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:15:47,963 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:15:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-28 12:15:47,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 12:15:47,986 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:47,987 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:47,988 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:47,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:47,992 INFO L82 PathProgramCache]: Analyzing trace with hash 606791250, now seen corresponding path program 1 times [2018-11-28 12:15:47,993 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:47,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:48,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:48,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:48,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:48,238 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 12:15:48,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:48,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:15:48,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:15:48,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:15:48,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:15:48,254 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-11-28 12:15:49,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:49,255 INFO L93 Difference]: Finished difference Result 890 states and 1607 transitions. [2018-11-28 12:15:49,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:15:49,257 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-11-28 12:15:49,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:49,269 INFO L225 Difference]: With dead ends: 890 [2018-11-28 12:15:49,269 INFO L226 Difference]: Without dead ends: 554 [2018-11-28 12:15:49,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:15:49,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-28 12:15:49,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-11-28 12:15:49,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-11-28 12:15:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 806 transitions. [2018-11-28 12:15:49,320 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 806 transitions. Word has length 63 [2018-11-28 12:15:49,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:49,321 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 806 transitions. [2018-11-28 12:15:49,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:15:49,321 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 806 transitions. [2018-11-28 12:15:49,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-28 12:15:49,326 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:49,327 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:49,327 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:49,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:49,327 INFO L82 PathProgramCache]: Analyzing trace with hash 905975074, now seen corresponding path program 1 times [2018-11-28 12:15:49,327 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:49,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:49,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:49,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:49,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:49,471 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:49,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:49,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:15:49,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:15:49,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:15:49,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:15:49,474 INFO L87 Difference]: Start difference. First operand 554 states and 806 transitions. Second operand 4 states. [2018-11-28 12:15:50,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:50,256 INFO L93 Difference]: Finished difference Result 2194 states and 3255 transitions. [2018-11-28 12:15:50,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:15:50,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 175 [2018-11-28 12:15:50,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:50,261 INFO L225 Difference]: With dead ends: 2194 [2018-11-28 12:15:50,262 INFO L226 Difference]: Without dead ends: 1646 [2018-11-28 12:15:50,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:15:50,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-11-28 12:15:50,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1464. [2018-11-28 12:15:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1464 states. [2018-11-28 12:15:50,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2038 transitions. [2018-11-28 12:15:50,308 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2038 transitions. Word has length 175 [2018-11-28 12:15:50,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:50,309 INFO L480 AbstractCegarLoop]: Abstraction has 1464 states and 2038 transitions. [2018-11-28 12:15:50,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:15:50,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2038 transitions. [2018-11-28 12:15:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-28 12:15:50,316 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:50,316 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:50,316 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:50,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:50,317 INFO L82 PathProgramCache]: Analyzing trace with hash 338201322, now seen corresponding path program 1 times [2018-11-28 12:15:50,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:50,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:50,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:50,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:50,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:50,475 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:15:50,475 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/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 12:15:50,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:50,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:15:50,674 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:50,699 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:15:50,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-28 12:15:50,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:15:50,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:15:50,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:15:50,701 INFO L87 Difference]: Start difference. First operand 1464 states and 2038 transitions. Second operand 9 states. [2018-11-28 12:15:52,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:52,901 INFO L93 Difference]: Finished difference Result 4502 states and 6695 transitions. [2018-11-28 12:15:52,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:15:52,902 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 257 [2018-11-28 12:15:52,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:52,916 INFO L225 Difference]: With dead ends: 4502 [2018-11-28 12:15:52,916 INFO L226 Difference]: Without dead ends: 2666 [2018-11-28 12:15:52,921 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-11-28 12:15:52,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2018-11-28 12:15:52,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2256. [2018-11-28 12:15:52,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2256 states. [2018-11-28 12:15:52,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 3089 transitions. [2018-11-28 12:15:52,988 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 3089 transitions. Word has length 257 [2018-11-28 12:15:52,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:52,988 INFO L480 AbstractCegarLoop]: Abstraction has 2256 states and 3089 transitions. [2018-11-28 12:15:52,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:15:52,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 3089 transitions. [2018-11-28 12:15:52,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-28 12:15:52,994 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:52,994 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:52,994 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:52,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:52,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1856536414, now seen corresponding path program 1 times [2018-11-28 12:15:52,995 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:52,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:52,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:52,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:52,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:53,522 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:15:53,522 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/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 12:15:53,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:53,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:15:53,650 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-28 12:15:53,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:15:53,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2018-11-28 12:15:53,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:15:53,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:15:53,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:15:53,673 INFO L87 Difference]: Start difference. First operand 2256 states and 3089 transitions. Second operand 12 states. [2018-11-28 12:15:55,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:55,697 INFO L93 Difference]: Finished difference Result 6732 states and 10286 transitions. [2018-11-28 12:15:55,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 12:15:55,699 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 261 [2018-11-28 12:15:55,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:55,720 INFO L225 Difference]: With dead ends: 6732 [2018-11-28 12:15:55,720 INFO L226 Difference]: Without dead ends: 4482 [2018-11-28 12:15:55,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 269 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2018-11-28 12:15:55,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2018-11-28 12:15:55,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 4164. [2018-11-28 12:15:55,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4164 states. [2018-11-28 12:15:55,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4164 states to 4164 states and 5662 transitions. [2018-11-28 12:15:55,855 INFO L78 Accepts]: Start accepts. Automaton has 4164 states and 5662 transitions. Word has length 261 [2018-11-28 12:15:55,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:55,856 INFO L480 AbstractCegarLoop]: Abstraction has 4164 states and 5662 transitions. [2018-11-28 12:15:55,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:15:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 4164 states and 5662 transitions. [2018-11-28 12:15:55,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-28 12:15:55,863 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:55,864 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:55,864 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:55,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:55,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1816227822, now seen corresponding path program 1 times [2018-11-28 12:15:55,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:55,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:55,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:55,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:55,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:56,079 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:15:56,079 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/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 12:15:56,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:56,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:15:56,220 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:56,245 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:15:56,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-28 12:15:56,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:15:56,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:15:56,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:15:56,246 INFO L87 Difference]: Start difference. First operand 4164 states and 5662 transitions. Second operand 9 states. [2018-11-28 12:15:57,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:57,757 INFO L93 Difference]: Finished difference Result 8172 states and 11438 transitions. [2018-11-28 12:15:57,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:15:57,758 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 269 [2018-11-28 12:15:57,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:57,770 INFO L225 Difference]: With dead ends: 8172 [2018-11-28 12:15:57,770 INFO L226 Difference]: Without dead ends: 3628 [2018-11-28 12:15:57,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-11-28 12:15:57,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3628 states. [2018-11-28 12:15:57,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3628 to 3588. [2018-11-28 12:15:57,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3588 states. [2018-11-28 12:15:57,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3588 states to 3588 states and 4637 transitions. [2018-11-28 12:15:57,864 INFO L78 Accepts]: Start accepts. Automaton has 3588 states and 4637 transitions. Word has length 269 [2018-11-28 12:15:57,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:57,864 INFO L480 AbstractCegarLoop]: Abstraction has 3588 states and 4637 transitions. [2018-11-28 12:15:57,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:15:57,865 INFO L276 IsEmpty]: Start isEmpty. Operand 3588 states and 4637 transitions. [2018-11-28 12:15:57,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-28 12:15:57,871 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:57,871 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:57,871 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:57,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:57,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1823817087, now seen corresponding path program 1 times [2018-11-28 12:15:57,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:57,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:57,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:57,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:57,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 162 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:58,058 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:15:58,058 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/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 12:15:58,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:58,126 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:15:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-28 12:15:58,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:15:58,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2018-11-28 12:15:58,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:15:58,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:15:58,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:15:58,210 INFO L87 Difference]: Start difference. First operand 3588 states and 4637 transitions. Second operand 9 states. [2018-11-28 12:15:59,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:59,719 INFO L93 Difference]: Finished difference Result 8871 states and 12297 transitions. [2018-11-28 12:15:59,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 12:15:59,720 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 280 [2018-11-28 12:15:59,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:59,738 INFO L225 Difference]: With dead ends: 8871 [2018-11-28 12:15:59,738 INFO L226 Difference]: Without dead ends: 4834 [2018-11-28 12:15:59,748 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2018-11-28 12:15:59,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4834 states. [2018-11-28 12:15:59,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4834 to 4518. [2018-11-28 12:15:59,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-11-28 12:15:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5264 transitions. [2018-11-28 12:15:59,860 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5264 transitions. Word has length 280 [2018-11-28 12:15:59,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:59,860 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5264 transitions. [2018-11-28 12:15:59,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:15:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5264 transitions. [2018-11-28 12:15:59,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-28 12:15:59,871 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:59,871 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:59,871 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:59,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:59,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1614419441, now seen corresponding path program 1 times [2018-11-28 12:15:59,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:59,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:59,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:59,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:59,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:00,081 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 246 proven. 76 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-28 12:16:00,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:16:00,081 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:16:00,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:00,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-28 12:16:00,219 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:16:00,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-28 12:16:00,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:16:00,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:16:00,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:16:00,220 INFO L87 Difference]: Start difference. First operand 4518 states and 5264 transitions. Second operand 9 states. [2018-11-28 12:16:00,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:00,880 INFO L93 Difference]: Finished difference Result 9292 states and 11025 transitions. [2018-11-28 12:16:00,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 12:16:00,880 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 392 [2018-11-28 12:16:00,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:00,890 INFO L225 Difference]: With dead ends: 9292 [2018-11-28 12:16:00,890 INFO L226 Difference]: Without dead ends: 5330 [2018-11-28 12:16:00,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:16:00,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5330 states. [2018-11-28 12:16:00,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5330 to 4902. [2018-11-28 12:16:00,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4902 states. [2018-11-28 12:16:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4902 states to 4902 states and 5560 transitions. [2018-11-28 12:16:00,959 INFO L78 Accepts]: Start accepts. Automaton has 4902 states and 5560 transitions. Word has length 392 [2018-11-28 12:16:00,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:00,959 INFO L480 AbstractCegarLoop]: Abstraction has 4902 states and 5560 transitions. [2018-11-28 12:16:00,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:16:00,959 INFO L276 IsEmpty]: Start isEmpty. Operand 4902 states and 5560 transitions. [2018-11-28 12:16:00,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2018-11-28 12:16:00,965 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:00,966 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:00,966 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:00,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:00,966 INFO L82 PathProgramCache]: Analyzing trace with hash -795394390, now seen corresponding path program 1 times [2018-11-28 12:16:00,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:00,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:00,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:00,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:00,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 168 proven. 238 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-28 12:16:01,197 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:16:01,197 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:16:01,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:01,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:01,372 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-11-28 12:16:01,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:16:01,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-28 12:16:01,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:16:01,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:16:01,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:16:01,389 INFO L87 Difference]: Start difference. First operand 4902 states and 5560 transitions. Second operand 9 states. [2018-11-28 12:16:01,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:01,933 INFO L93 Difference]: Finished difference Result 7914 states and 8874 transitions. [2018-11-28 12:16:01,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:16:01,933 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 449 [2018-11-28 12:16:01,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:01,941 INFO L225 Difference]: With dead ends: 7914 [2018-11-28 12:16:01,941 INFO L226 Difference]: Without dead ends: 3408 [2018-11-28 12:16:01,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 451 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:16:01,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2018-11-28 12:16:01,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 3370. [2018-11-28 12:16:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3370 states. [2018-11-28 12:16:01,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 3582 transitions. [2018-11-28 12:16:01,984 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 3582 transitions. Word has length 449 [2018-11-28 12:16:01,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:01,985 INFO L480 AbstractCegarLoop]: Abstraction has 3370 states and 3582 transitions. [2018-11-28 12:16:01,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:16:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 3582 transitions. [2018-11-28 12:16:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2018-11-28 12:16:02,013 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:02,014 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:02,014 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:02,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:02,014 INFO L82 PathProgramCache]: Analyzing trace with hash -201479583, now seen corresponding path program 1 times [2018-11-28 12:16:02,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:02,015 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:02,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:02,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:02,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:02,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 564 proven. 782 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-28 12:16:02,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:16:02,957 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:16:02,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:03,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2018-11-28 12:16:03,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:16:03,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2018-11-28 12:16:03,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 12:16:03,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 12:16:03,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:16:03,240 INFO L87 Difference]: Start difference. First operand 3370 states and 3582 transitions. Second operand 19 states. [2018-11-28 12:16:05,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:05,482 INFO L93 Difference]: Finished difference Result 6786 states and 7292 transitions. [2018-11-28 12:16:05,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-28 12:16:05,483 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 700 [2018-11-28 12:16:05,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:05,488 INFO L225 Difference]: With dead ends: 6786 [2018-11-28 12:16:05,488 INFO L226 Difference]: Without dead ends: 3418 [2018-11-28 12:16:05,491 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 766 GetRequests, 721 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=443, Invalid=1719, Unknown=0, NotChecked=0, Total=2162 [2018-11-28 12:16:05,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3418 states. [2018-11-28 12:16:05,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3418 to 3370. [2018-11-28 12:16:05,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3370 states. [2018-11-28 12:16:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 3539 transitions. [2018-11-28 12:16:05,546 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 3539 transitions. Word has length 700 [2018-11-28 12:16:05,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:05,547 INFO L480 AbstractCegarLoop]: Abstraction has 3370 states and 3539 transitions. [2018-11-28 12:16:05,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 12:16:05,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 3539 transitions. [2018-11-28 12:16:05,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2018-11-28 12:16:05,556 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:05,557 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:05,557 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:05,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:05,557 INFO L82 PathProgramCache]: Analyzing trace with hash -2014721534, now seen corresponding path program 1 times [2018-11-28 12:16:05,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:05,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:05,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:05,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:05,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2062 backedges. 519 proven. 1073 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2018-11-28 12:16:06,346 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:16:06,346 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:16:06,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:06,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:06,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2062 backedges. 1505 proven. 2 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-11-28 12:16:06,765 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:16:06,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-28 12:16:06,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:16:06,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:16:06,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:16:06,767 INFO L87 Difference]: Start difference. First operand 3370 states and 3539 transitions. Second operand 11 states. [2018-11-28 12:16:07,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:07,949 INFO L93 Difference]: Finished difference Result 6396 states and 6774 transitions. [2018-11-28 12:16:07,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-28 12:16:07,949 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 831 [2018-11-28 12:16:07,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:07,955 INFO L225 Difference]: With dead ends: 6396 [2018-11-28 12:16:07,955 INFO L226 Difference]: Without dead ends: 3398 [2018-11-28 12:16:07,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 874 GetRequests, 846 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2018-11-28 12:16:07,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2018-11-28 12:16:08,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3368. [2018-11-28 12:16:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3368 states. [2018-11-28 12:16:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3368 states and 3527 transitions. [2018-11-28 12:16:08,009 INFO L78 Accepts]: Start accepts. Automaton has 3368 states and 3527 transitions. Word has length 831 [2018-11-28 12:16:08,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:08,010 INFO L480 AbstractCegarLoop]: Abstraction has 3368 states and 3527 transitions. [2018-11-28 12:16:08,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:16:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 3527 transitions. [2018-11-28 12:16:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 894 [2018-11-28 12:16:08,020 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:08,021 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:08,021 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:08,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:08,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1557221466, now seen corresponding path program 1 times [2018-11-28 12:16:08,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:08,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:08,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:08,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:08,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:09,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 840 proven. 1130 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2018-11-28 12:16:09,154 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:16:09,154 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:16:09,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:09,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 1783 proven. 2 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2018-11-28 12:16:09,614 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:16:09,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-28 12:16:09,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-28 12:16:09,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-28 12:16:09,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2018-11-28 12:16:09,616 INFO L87 Difference]: Start difference. First operand 3368 states and 3527 transitions. Second operand 17 states. [2018-11-28 12:16:11,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:11,534 INFO L93 Difference]: Finished difference Result 6377 states and 6803 transitions. [2018-11-28 12:16:11,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-28 12:16:11,534 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 893 [2018-11-28 12:16:11,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:11,540 INFO L225 Difference]: With dead ends: 6377 [2018-11-28 12:16:11,540 INFO L226 Difference]: Without dead ends: 3285 [2018-11-28 12:16:11,544 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 907 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=548, Invalid=2002, Unknown=0, NotChecked=0, Total=2550 [2018-11-28 12:16:11,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3285 states. [2018-11-28 12:16:11,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3285 to 3174. [2018-11-28 12:16:11,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3174 states. [2018-11-28 12:16:11,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 3298 transitions. [2018-11-28 12:16:11,595 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 3298 transitions. Word has length 893 [2018-11-28 12:16:11,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:11,595 INFO L480 AbstractCegarLoop]: Abstraction has 3174 states and 3298 transitions. [2018-11-28 12:16:11,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-28 12:16:11,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 3298 transitions. [2018-11-28 12:16:11,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2018-11-28 12:16:11,605 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:11,605 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:11,605 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:11,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:11,606 INFO L82 PathProgramCache]: Analyzing trace with hash -706496335, now seen corresponding path program 1 times [2018-11-28 12:16:11,606 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:11,606 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:11,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:11,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:11,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:12,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 660 proven. 224 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2018-11-28 12:16:12,087 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:16:12,087 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:16:12,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:12,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 1689 proven. 2 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2018-11-28 12:16:12,423 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:16:12,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-28 12:16:12,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:16:12,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:16:12,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:16:12,425 INFO L87 Difference]: Start difference. First operand 3174 states and 3298 transitions. Second operand 7 states. [2018-11-28 12:16:12,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:12,789 INFO L93 Difference]: Finished difference Result 6350 states and 6624 transitions. [2018-11-28 12:16:12,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:16:12,790 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 900 [2018-11-28 12:16:12,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:12,794 INFO L225 Difference]: With dead ends: 6350 [2018-11-28 12:16:12,795 INFO L226 Difference]: Without dead ends: 3548 [2018-11-28 12:16:12,798 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 910 GetRequests, 902 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:16:12,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3548 states. [2018-11-28 12:16:12,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3548 to 3540. [2018-11-28 12:16:12,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3540 states. [2018-11-28 12:16:12,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 3675 transitions. [2018-11-28 12:16:12,849 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 3675 transitions. Word has length 900 [2018-11-28 12:16:12,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:12,850 INFO L480 AbstractCegarLoop]: Abstraction has 3540 states and 3675 transitions. [2018-11-28 12:16:12,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:16:12,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 3675 transitions. [2018-11-28 12:16:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1060 [2018-11-28 12:16:12,860 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:12,860 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:12,860 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:12,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:12,861 INFO L82 PathProgramCache]: Analyzing trace with hash 136985470, now seen corresponding path program 1 times [2018-11-28 12:16:12,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:12,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:12,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:12,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:12,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 807 proven. 224 refuted. 0 times theorem prover too weak. 2391 trivial. 0 not checked. [2018-11-28 12:16:13,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:16:13,437 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:16:13,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:13,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 2229 proven. 2 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2018-11-28 12:16:13,938 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:16:13,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-11-28 12:16:13,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:16:13,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:16:13,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:16:13,939 INFO L87 Difference]: Start difference. First operand 3540 states and 3675 transitions. Second operand 10 states. [2018-11-28 12:16:14,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:14,744 INFO L93 Difference]: Finished difference Result 6890 states and 7175 transitions. [2018-11-28 12:16:14,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:16:14,745 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1059 [2018-11-28 12:16:14,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:14,749 INFO L225 Difference]: With dead ends: 6890 [2018-11-28 12:16:14,750 INFO L226 Difference]: Without dead ends: 3722 [2018-11-28 12:16:14,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1083 GetRequests, 1066 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2018-11-28 12:16:14,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3722 states. [2018-11-28 12:16:14,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3722 to 3714. [2018-11-28 12:16:14,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3714 states. [2018-11-28 12:16:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3714 states and 3816 transitions. [2018-11-28 12:16:14,807 INFO L78 Accepts]: Start accepts. Automaton has 3714 states and 3816 transitions. Word has length 1059 [2018-11-28 12:16:14,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:14,807 INFO L480 AbstractCegarLoop]: Abstraction has 3714 states and 3816 transitions. [2018-11-28 12:16:14,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:16:14,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3714 states and 3816 transitions. [2018-11-28 12:16:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2018-11-28 12:16:14,819 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:14,819 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:14,820 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:14,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:14,820 INFO L82 PathProgramCache]: Analyzing trace with hash 413107877, now seen corresponding path program 1 times [2018-11-28 12:16:14,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:14,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:14,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:14,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:14,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:16,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3412 backedges. 833 proven. 1481 refuted. 0 times theorem prover too weak. 1098 trivial. 0 not checked. [2018-11-28 12:16:16,814 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:16:16,814 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:16:16,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:16,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3412 backedges. 2267 proven. 2 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2018-11-28 12:16:17,710 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:16:17,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6] total 18 [2018-11-28 12:16:17,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-28 12:16:17,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-28 12:16:17,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-11-28 12:16:17,712 INFO L87 Difference]: Start difference. First operand 3714 states and 3816 transitions. Second operand 18 states. [2018-11-28 12:16:19,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:19,466 INFO L93 Difference]: Finished difference Result 7466 states and 7716 transitions. [2018-11-28 12:16:19,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-28 12:16:19,466 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1070 [2018-11-28 12:16:19,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:19,471 INFO L225 Difference]: With dead ends: 7466 [2018-11-28 12:16:19,471 INFO L226 Difference]: Without dead ends: 4124 [2018-11-28 12:16:19,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1116 GetRequests, 1081 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=290, Invalid=1042, Unknown=0, NotChecked=0, Total=1332 [2018-11-28 12:16:19,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4124 states. [2018-11-28 12:16:19,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4124 to 3896. [2018-11-28 12:16:19,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3896 states. [2018-11-28 12:16:19,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 4000 transitions. [2018-11-28 12:16:19,532 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 4000 transitions. Word has length 1070 [2018-11-28 12:16:19,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:19,533 INFO L480 AbstractCegarLoop]: Abstraction has 3896 states and 4000 transitions. [2018-11-28 12:16:19,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-28 12:16:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 4000 transitions. [2018-11-28 12:16:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1078 [2018-11-28 12:16:19,543 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:19,543 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:19,543 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:19,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:19,544 INFO L82 PathProgramCache]: Analyzing trace with hash -338961606, now seen corresponding path program 1 times [2018-11-28 12:16:19,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:19,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:19,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:19,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:19,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:21,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3440 backedges. 833 proven. 1509 refuted. 0 times theorem prover too weak. 1098 trivial. 0 not checked. [2018-11-28 12:16:21,107 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:16:21,107 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:16:21,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:21,232 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:21,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3440 backedges. 2295 proven. 2 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2018-11-28 12:16:21,646 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:16:21,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-11-28 12:16:21,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-28 12:16:21,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-28 12:16:21,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-11-28 12:16:21,647 INFO L87 Difference]: Start difference. First operand 3896 states and 4000 transitions. Second operand 18 states. [2018-11-28 12:16:23,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:23,847 INFO L93 Difference]: Finished difference Result 7648 states and 7897 transitions. [2018-11-28 12:16:23,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-28 12:16:23,847 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1077 [2018-11-28 12:16:23,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:23,854 INFO L225 Difference]: With dead ends: 7648 [2018-11-28 12:16:23,854 INFO L226 Difference]: Without dead ends: 3942 [2018-11-28 12:16:23,859 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1149 GetRequests, 1096 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=578, Invalid=2392, Unknown=0, NotChecked=0, Total=2970 [2018-11-28 12:16:23,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3942 states. [2018-11-28 12:16:23,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3942 to 3894. [2018-11-28 12:16:23,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3894 states. [2018-11-28 12:16:23,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3894 states and 3987 transitions. [2018-11-28 12:16:23,920 INFO L78 Accepts]: Start accepts. Automaton has 3894 states and 3987 transitions. Word has length 1077 [2018-11-28 12:16:23,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:23,921 INFO L480 AbstractCegarLoop]: Abstraction has 3894 states and 3987 transitions. [2018-11-28 12:16:23,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-28 12:16:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3894 states and 3987 transitions. [2018-11-28 12:16:23,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1159 [2018-11-28 12:16:23,929 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:23,930 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:23,930 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:23,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:23,930 INFO L82 PathProgramCache]: Analyzing trace with hash -2043956975, now seen corresponding path program 1 times [2018-11-28 12:16:23,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:23,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:23,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:23,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:23,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4139 backedges. 1837 proven. 355 refuted. 0 times theorem prover too weak. 1947 trivial. 0 not checked. [2018-11-28 12:16:24,628 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:16:24,628 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:16:24,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:24,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:25,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4139 backedges. 2602 proven. 6 refuted. 0 times theorem prover too weak. 1531 trivial. 0 not checked. [2018-11-28 12:16:25,197 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:16:25,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2018-11-28 12:16:25,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:16:25,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:16:25,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:16:25,199 INFO L87 Difference]: Start difference. First operand 3894 states and 3987 transitions. Second operand 9 states. [2018-11-28 12:16:25,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:25,851 INFO L93 Difference]: Finished difference Result 8008 states and 8226 transitions. [2018-11-28 12:16:25,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 12:16:25,851 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1158 [2018-11-28 12:16:25,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:25,858 INFO L225 Difference]: With dead ends: 8008 [2018-11-28 12:16:25,858 INFO L226 Difference]: Without dead ends: 4304 [2018-11-28 12:16:25,861 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1179 GetRequests, 1164 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2018-11-28 12:16:25,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4304 states. [2018-11-28 12:16:25,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4304 to 4078. [2018-11-28 12:16:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4078 states. [2018-11-28 12:16:25,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 4172 transitions. [2018-11-28 12:16:25,905 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 4172 transitions. Word has length 1158 [2018-11-28 12:16:25,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:25,905 INFO L480 AbstractCegarLoop]: Abstraction has 4078 states and 4172 transitions. [2018-11-28 12:16:25,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:16:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 4172 transitions. [2018-11-28 12:16:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2018-11-28 12:16:25,920 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:25,921 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:25,921 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:25,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:25,921 INFO L82 PathProgramCache]: Analyzing trace with hash -2024251614, now seen corresponding path program 1 times [2018-11-28 12:16:25,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:25,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:25,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:25,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:25,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:29,241 INFO L134 CoverageAnalysis]: Checked inductivity of 9098 backedges. 1999 proven. 5464 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2018-11-28 12:16:29,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:16:29,241 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:16:29,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:29,434 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:30,403 INFO L134 CoverageAnalysis]: Checked inductivity of 9098 backedges. 3072 proven. 124 refuted. 0 times theorem prover too weak. 5902 trivial. 0 not checked. [2018-11-28 12:16:30,418 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:16:30,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 9] total 34 [2018-11-28 12:16:30,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-28 12:16:30,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-28 12:16:30,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1018, Unknown=0, NotChecked=0, Total=1122 [2018-11-28 12:16:30,420 INFO L87 Difference]: Start difference. First operand 4078 states and 4172 transitions. Second operand 34 states. [2018-11-28 12:16:42,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:42,239 INFO L93 Difference]: Finished difference Result 8880 states and 9225 transitions. [2018-11-28 12:16:42,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-11-28 12:16:42,239 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 1711 [2018-11-28 12:16:42,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:16:42,243 INFO L225 Difference]: With dead ends: 8880 [2018-11-28 12:16:42,243 INFO L226 Difference]: Without dead ends: 4781 [2018-11-28 12:16:42,248 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1907 GetRequests, 1753 SyntacticMatches, 2 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8259 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=3365, Invalid=20197, Unknown=0, NotChecked=0, Total=23562 [2018-11-28 12:16:42,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4781 states. [2018-11-28 12:16:42,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4781 to 4446. [2018-11-28 12:16:42,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4446 states. [2018-11-28 12:16:42,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4446 states to 4446 states and 4538 transitions. [2018-11-28 12:16:42,304 INFO L78 Accepts]: Start accepts. Automaton has 4446 states and 4538 transitions. Word has length 1711 [2018-11-28 12:16:42,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:16:42,304 INFO L480 AbstractCegarLoop]: Abstraction has 4446 states and 4538 transitions. [2018-11-28 12:16:42,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-28 12:16:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 4446 states and 4538 transitions. [2018-11-28 12:16:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1964 [2018-11-28 12:16:42,320 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:16:42,320 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:42,320 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:16:42,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:42,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1465047202, now seen corresponding path program 1 times [2018-11-28 12:16:42,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:42,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:42,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:42,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:42,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12281 backedges. 1944 proven. 6913 refuted. 0 times theorem prover too weak. 3424 trivial. 0 not checked. [2018-11-28 12:16:46,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:16:46,042 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:16:46,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:46,261 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:47,284 WARN L180 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-11-28 12:16:49,803 INFO L134 CoverageAnalysis]: Checked inductivity of 12281 backedges. 6064 proven. 12 refuted. 0 times theorem prover too weak. 6205 trivial. 0 not checked. [2018-11-28 12:16:49,830 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:16:49,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 9] total 34 [2018-11-28 12:16:49,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-28 12:16:49,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-28 12:16:49,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1019, Unknown=1, NotChecked=0, Total=1122 [2018-11-28 12:16:49,832 INFO L87 Difference]: Start difference. First operand 4446 states and 4538 transitions. Second operand 34 states. [2018-11-28 12:16:58,289 WARN L180 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2018-11-28 12:17:04,605 WARN L180 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2018-11-28 12:17:08,016 WARN L180 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2018-11-28 12:17:11,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:17:11,659 INFO L93 Difference]: Finished difference Result 10261 states and 10608 transitions. [2018-11-28 12:17:11,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-11-28 12:17:11,659 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 1963 [2018-11-28 12:17:11,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:17:11,660 INFO L225 Difference]: With dead ends: 10261 [2018-11-28 12:17:11,660 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:17:11,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2145 GetRequests, 2009 SyntacticMatches, 1 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5752 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=2423, Invalid=16208, Unknown=1, NotChecked=0, Total=18632 [2018-11-28 12:17:11,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:17:11,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:17:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:17:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:17:11,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1963 [2018-11-28 12:17:11,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:17:11,672 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:17:11,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-28 12:17:11,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:17:11,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:17:11,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:17:11,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:11,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:11,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:11,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:12,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,019 WARN L180 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 703 DAG size of output: 535 [2018-11-28 12:17:13,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:13,796 WARN L180 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 535 [2018-11-28 12:17:15,407 WARN L180 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 382 DAG size of output: 153 [2018-11-28 12:17:17,224 WARN L180 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 476 DAG size of output: 122 [2018-11-28 12:17:19,042 WARN L180 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 476 DAG size of output: 122 [2018-11-28 12:17:19,044 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:17:19,044 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-28 12:17:19,044 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:17:19,044 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-28 12:17:19,044 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-28 12:17:19,044 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,044 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,044 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,044 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-28 12:17:19,044 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-28 12:17:19,044 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-28 12:17:19,045 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-28 12:17:19,046 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-28 12:17:19,047 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,048 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-28 12:17:19,049 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-28 12:17:19,050 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-28 12:17:19,050 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse31 (= 7 |old(~a15~0)|))) (let ((.cse36 (<= ~a12~0 80)) (.cse9 (<= ~a21~0 |old(~a21~0)|)) (.cse11 (<= 8 ~a21~0)) (.cse17 (= 9 ~a15~0)) (.cse29 (= ~a24~0 |old(~a24~0)|)) (.cse21 (= |old(~a15~0)| ~a15~0)) (.cse7 (= ~a12~0 |old(~a12~0)|)) (.cse30 (= ~a21~0 |old(~a21~0)|)) (.cse8 (= 1 ~a24~0)) (.cse10 (= 8 ~a15~0)) (.cse3 (not (= 1 |old(~a24~0)|))) (.cse15 (not .cse31)) (.cse26 (= 6 |old(~a21~0)|))) (let ((.cse16 (= ~a21~0 9)) (.cse12 (not .cse26)) (.cse13 (< |old(~a12~0)| 95381)) (.cse33 (< 6 |old(~a21~0)|)) (.cse27 (or .cse3 .cse15 (< 7 |old(~a21~0)|))) (.cse24 (and .cse7 .cse30 .cse8 .cse10)) (.cse28 (not (= 9 |old(~a21~0)|))) (.cse22 (not (= 7 |old(~a21~0)|))) (.cse14 (and .cse29 .cse30 .cse21)) (.cse20 (not (= 6 |old(~a15~0)|))) (.cse1 (< |old(~a12~0)| 19)) (.cse25 (and .cse7 .cse8 .cse9 .cse11 .cse17)) (.cse6 (not (= 8 |old(~a21~0)|))) (.cse34 (and .cse7 .cse8 .cse10 (= 10 ~a21~0))) (.cse35 (not (= 10 |old(~a21~0)|))) (.cse5 (not (= 8 |old(~a15~0)|))) (.cse4 (and .cse7 .cse30 .cse8 .cse17)) (.cse0 (not (= 9 |old(~a15~0)|))) (.cse2 (< |old(~a21~0)| 10)) (.cse23 (< 11 |old(~a12~0)|)) (.cse19 (and .cse36 .cse29 .cse30 .cse21)) (.cse18 (< 80 |old(~a12~0)|)) (.cse32 (< 7 |old(~a15~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse3 (< 73282 |old(~a12~0)|)) (or .cse12 (< 95442 |old(~a12~0)|) (or .cse0 .cse3) .cse13 .cse4) (or .cse14 (< |old(~a21~0)| 8) .cse3 .cse15) (or .cse0 .cse1 .cse3 (and .cse7 .cse16 .cse8 .cse17) (not (= |old(~a15~0)| |old(~a21~0)|))) (or .cse18 .cse19 .cse15) (or .cse20 .cse21) (or (or .cse5 .cse22 .cse23) .cse3 .cse24) (or .cse0 .cse25 .cse3 .cse23 .cse6) (or (<= (+ ~a12~0 49) 0) (< 0 (+ |old(~a12~0)| 49)) .cse15) (or .cse26 (< 0 (+ |old(~a12~0)| 460226)) .cse7 .cse27) (or .cse1 (and .cse7 .cse16 .cse8 .cse10) (or .cse5 .cse28 .cse18 .cse3)) (or (and .cse7 (and .cse29 .cse30 (= ~a15~0 |old(~a15~0)|))) .cse12 .cse31 .cse23 .cse32) (or (or .cse31 .cse3 .cse32) .cse26 .cse14) (or (forall ((v_~a12~0_452 Int)) (or (< |old(~a12~0)| (+ (mod v_~a12~0_452 299959) 286349)) (< v_~a12~0_452 0) (< v_~a12~0_452 |old(~a12~0)|))) .cse24 .cse3 (< |old(~a15~0)| 8) .cse33 (< 8 |old(~a15~0)|)) (or .cse34 .cse35 .cse3 .cse5 .cse13) (or .cse14 .cse33 .cse27) (or .cse24 (or .cse5 .cse28 .cse3 .cse23)) (or .cse0 .cse22 .cse1 .cse4 .cse3) (or (and .cse8 .cse30 .cse21) .cse3 (not (= 5 |old(~a15~0)|))) (or .cse14 .cse2 .cse15) (or .cse20 .cse18 .cse36) (or .cse0 .cse1 .cse3 .cse25 .cse6) (or .cse34 .cse35 .cse5 .cse3 .cse23) (or .cse4 .cse0 .cse2 .cse3 .cse23) (or .cse19 .cse18 .cse3 .cse32))))) [2018-11-28 12:17:19,050 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-28 12:17:19,050 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-28 12:17:19,050 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,050 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,050 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-28 12:17:19,051 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-28 12:17:19,052 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-28 12:17:19,053 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-28 12:17:19,054 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,055 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-28 12:17:19,056 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,057 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-28 12:17:19,058 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:17:19,059 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-11-28 12:17:19,059 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:17:19,060 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:17:19,060 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0) (= |old(~a15~0)| ~a15~0) (= 1 ~a24~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|))) [2018-11-28 12:17:19,060 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-28 12:17:19,060 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse23 (not (= 1 |old(~a24~0)|)))) (let ((.cse14 (and (or (not (= 9 |old(~a21~0)|)) (not (= |old(~a21~0)| |old(~a15~0)|)) .cse23) (<= ~a15~0 6))) (.cse1 (= 1 ~a24~0)) (.cse2 (+ ~a12~0 43))) (let ((.cse0 (<= |old(~a12~0)| ~a12~0)) (.cse11 (= ~a21~0 10)) (.cse3 (= ~a15~0 |old(~a15~0)|)) (.cse8 (< 0 .cse2)) (.cse10 (<= 95381 ~a12~0)) (.cse6 (<= ~a12~0 11)) (.cse7 (= 7 ~a21~0)) (.cse13 (= 6 ~a21~0)) (.cse4 (= ~a21~0 8)) (.cse5 (= ~a15~0 9)) (.cse20 (= ~a21~0 9)) (.cse9 (= ~a24~0 |old(~a24~0)|)) (.cse12 (<= ~a15~0 8)) (.cse17 (<= 10 ~a21~0)) (.cse16 (= 9 ~a15~0)) (.cse19 (<= 19 ~a12~0)) (.cse22 (<= ~a21~0 6)) (.cse15 (= 7 ~a15~0)) (.cse18 (<= ~a12~0 80)) (.cse21 (and .cse14 .cse1))) (or (and .cse0 (and .cse1 (and (<= .cse2 0) (= 10 ~a21~0))) .cse3) (and .cse4 .cse1 .cse5 .cse6) (not (= 8 |old(~a15~0)|)) (and .cse0 (and .cse6 .cse7) .cse3 .cse1) (not (= 7 |old(~a21~0)|)) (and .cse8 (and (= 9 ~a21~0) .cse6) .cse9 .cse3) (and .cse10 .cse11 (and .cse1 .cse12)) (and .cse13 .cse14 .cse6) (and (<= 8 ~a21~0) .cse9 .cse15) (and .cse6 .cse9 .cse11 .cse3 .cse8) (and .cse13 .cse10 .cse1 .cse16 (<= ~a12~0 95442)) (< 0 (+ |old(~a12~0)| 49)) (and (and .cse1 .cse17 .cse16) .cse6) (and .cse18 .cse14 .cse9) (and (and .cse7 .cse1 .cse16) .cse19) (and (and (and .cse18 .cse12) .cse20) .cse9 .cse19) (and .cse15 .cse17) (and (<= ~a12~0 73282) .cse1 (and (= 8 ~a15~0) .cse4) .cse19) (and .cse21 (not .cse13)) (and (and .cse1 .cse4) .cse5 .cse19) (= 6 ~a15~0) (and (and .cse16 .cse20) .cse1 .cse19) (and (exists ((v_~a12~0_452 Int)) (and (<= (+ (mod v_~a12~0_452 299959) 286349) ~a12~0) (<= 0 v_~a12~0_452) (<= 95381 v_~a12~0_452))) .cse9 (and (<= 8 ~a15~0) .cse12 .cse22)) .cse23 (and .cse1 (and .cse17 .cse16) .cse19) (and (and .cse1 .cse15) .cse22) (and .cse15 .cse18) (and .cse21 (= 5 ~a15~0)))))) [2018-11-28 12:17:19,060 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-28 12:17:19,060 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-28 12:17:19,061 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse23 (not (= 1 |old(~a24~0)|)))) (let ((.cse14 (and (or (not (= 9 |old(~a21~0)|)) (not (= |old(~a21~0)| |old(~a15~0)|)) .cse23) (<= ~a15~0 6))) (.cse1 (= 1 ~a24~0)) (.cse2 (+ ~a12~0 43))) (let ((.cse0 (<= |old(~a12~0)| ~a12~0)) (.cse11 (= ~a21~0 10)) (.cse3 (= ~a15~0 |old(~a15~0)|)) (.cse8 (< 0 .cse2)) (.cse10 (<= 95381 ~a12~0)) (.cse6 (<= ~a12~0 11)) (.cse7 (= 7 ~a21~0)) (.cse13 (= 6 ~a21~0)) (.cse4 (= ~a21~0 8)) (.cse5 (= ~a15~0 9)) (.cse20 (= ~a21~0 9)) (.cse9 (= ~a24~0 |old(~a24~0)|)) (.cse12 (<= ~a15~0 8)) (.cse17 (<= 10 ~a21~0)) (.cse16 (= 9 ~a15~0)) (.cse19 (<= 19 ~a12~0)) (.cse22 (<= ~a21~0 6)) (.cse15 (= 7 ~a15~0)) (.cse18 (<= ~a12~0 80)) (.cse21 (and .cse14 .cse1))) (or (and .cse0 (and .cse1 (and (<= .cse2 0) (= 10 ~a21~0))) .cse3) (and .cse4 .cse1 .cse5 .cse6) (not (= 8 |old(~a15~0)|)) (and .cse0 (and .cse6 .cse7) .cse3 .cse1) (not (= 7 |old(~a21~0)|)) (and .cse8 (and (= 9 ~a21~0) .cse6) .cse9 .cse3) (and .cse10 .cse11 (and .cse1 .cse12)) (and .cse13 .cse14 .cse6) (and (<= 8 ~a21~0) .cse9 .cse15) (and .cse6 .cse9 .cse11 .cse3 .cse8) (and .cse13 .cse10 .cse1 .cse16 (<= ~a12~0 95442)) (< 0 (+ |old(~a12~0)| 49)) (and (and .cse1 .cse17 .cse16) .cse6) (and .cse18 .cse14 .cse9) (and (and .cse7 .cse1 .cse16) .cse19) (and (and (and .cse18 .cse12) .cse20) .cse9 .cse19) (and .cse15 .cse17) (and (<= ~a12~0 73282) .cse1 (and (= 8 ~a15~0) .cse4) .cse19) (and .cse21 (not .cse13)) (and (and .cse1 .cse4) .cse5 .cse19) (= 6 ~a15~0) (and (and .cse16 .cse20) .cse1 .cse19) (and (exists ((v_~a12~0_452 Int)) (and (<= (+ (mod v_~a12~0_452 299959) 286349) ~a12~0) (<= 0 v_~a12~0_452) (<= 95381 v_~a12~0_452))) .cse9 (and (<= 8 ~a15~0) .cse12 .cse22)) .cse23 (and .cse1 (and .cse17 .cse16) .cse19) (and (and .cse1 .cse15) .cse22) (and .cse15 .cse18) (and .cse21 (= 5 ~a15~0)))))) [2018-11-28 12:17:19,061 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-28 12:17:19,067 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-28 12:17:19,068 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-28 12:17:19,068 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-28 12:17:19,076 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-28 12:17:19,076 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-28 12:17:19,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-28 12:17:19,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:17:19 BoogieIcfgContainer [2018-11-28 12:17:19,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:17:19,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:17:19,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:17:19,081 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:17:19,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:15:47" (3/4) ... [2018-11-28 12:17:19,085 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:17:19,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:17:19,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 12:17:19,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:17:19,104 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 12:17:19,105 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 12:17:19,137 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((\old(a12) <= a12 && 1 == a24 && a12 + 43 <= 0 && 10 == a21) && a15 == \old(a15)) || (((a21 == 8 && 1 == a24) && a15 == 9) && a12 <= 11)) || !(8 == \old(a15))) || (((\old(a12) <= a12 && a12 <= 11 && 7 == a21) && a15 == \old(a15)) && 1 == a24)) || !(7 == \old(a21))) || (((0 < a12 + 43 && 9 == a21 && a12 <= 11) && a24 == \old(a24)) && a15 == \old(a15))) || ((95381 <= a12 && a21 == 10) && 1 == a24 && a15 <= 8)) || ((6 == a21 && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))) && a15 <= 6) && a12 <= 11)) || ((8 <= a21 && a24 == \old(a24)) && 7 == a15)) || ((((a12 <= 11 && a24 == \old(a24)) && a21 == 10) && a15 == \old(a15)) && 0 < a12 + 43)) || ((((6 == a21 && 95381 <= a12) && 1 == a24) && 9 == a15) && a12 <= 95442)) || 0 < \old(a12) + 49) || (((1 == a24 && 10 <= a21) && 9 == a15) && a12 <= 11)) || ((a12 <= 80 && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))) && a15 <= 6) && a24 == \old(a24))) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || ((((a12 <= 80 && a15 <= 8) && a21 == 9) && a24 == \old(a24)) && 19 <= a12)) || (7 == a15 && 10 <= a21)) || (((a12 <= 73282 && 1 == a24) && 8 == a15 && a21 == 8) && 19 <= a12)) || (((((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))) && a15 <= 6) && 1 == a24) && !(6 == a21))) || (((1 == a24 && a21 == 8) && a15 == 9) && 19 <= a12)) || 6 == a15) || (((9 == a15 && a21 == 9) && 1 == a24) && 19 <= a12)) || (((\exists v_~a12~0_452 : int :: (v_~a12~0_452 % 299959 + 286349 <= a12 && 0 <= v_~a12~0_452) && 95381 <= v_~a12~0_452) && a24 == \old(a24)) && (8 <= a15 && a15 <= 8) && a21 <= 6)) || !(1 == \old(a24))) || ((1 == a24 && 10 <= a21 && 9 == a15) && 19 <= a12)) || ((1 == a24 && 7 == a15) && a21 <= 6)) || (7 == a15 && a12 <= 80)) || (((((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))) && a15 <= 6) && 1 == a24) && 5 == a15) [2018-11-28 12:17:19,217 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_29b108a8-58b3-4aa7-9244-61909af10513/bin-2019/uautomizer/witness.graphml [2018-11-28 12:17:19,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:17:19,218 INFO L168 Benchmark]: Toolchain (without parser) took 92938.04 ms. Allocated memory was 1.0 GB in the beginning and 4.2 GB in the end (delta: 3.2 GB). Free memory was 950.6 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-28 12:17:19,219 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:17:19,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:19,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:17:19,219 INFO L168 Benchmark]: Boogie Preprocessor took 51.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:19,220 INFO L168 Benchmark]: RCFGBuilder took 1086.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.1 MB in the end (delta: 122.7 MB). Peak memory consumption was 122.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:19,220 INFO L168 Benchmark]: TraceAbstraction took 91167.89 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 993.1 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-11-28 12:17:19,220 INFO L168 Benchmark]: Witness Printer took 136.56 ms. Allocated memory is still 4.2 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 22.0 kB). Peak memory consumption was 22.0 kB. Max. memory is 11.5 GB. [2018-11-28 12:17:19,222 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 468.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1086.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.1 MB in the end (delta: 122.7 MB). Peak memory consumption was 122.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 91167.89 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 993.1 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. * Witness Printer took 136.56 ms. Allocated memory is still 4.2 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 22.0 kB). Peak memory consumption was 22.0 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant [2018-11-28 12:17:19,225 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-28 12:17:19,226 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-28 12:17:19,226 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-28 12:17:19,227 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-28 12:17:19,227 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] [2018-11-28 12:17:19,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_452,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((\old(a12) <= a12 && 1 == a24 && a12 + 43 <= 0 && 10 == a21) && a15 == \old(a15)) || (((a21 == 8 && 1 == a24) && a15 == 9) && a12 <= 11)) || !(8 == \old(a15))) || (((\old(a12) <= a12 && a12 <= 11 && 7 == a21) && a15 == \old(a15)) && 1 == a24)) || !(7 == \old(a21))) || (((0 < a12 + 43 && 9 == a21 && a12 <= 11) && a24 == \old(a24)) && a15 == \old(a15))) || ((95381 <= a12 && a21 == 10) && 1 == a24 && a15 <= 8)) || ((6 == a21 && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))) && a15 <= 6) && a12 <= 11)) || ((8 <= a21 && a24 == \old(a24)) && 7 == a15)) || ((((a12 <= 11 && a24 == \old(a24)) && a21 == 10) && a15 == \old(a15)) && 0 < a12 + 43)) || ((((6 == a21 && 95381 <= a12) && 1 == a24) && 9 == a15) && a12 <= 95442)) || 0 < \old(a12) + 49) || (((1 == a24 && 10 <= a21) && 9 == a15) && a12 <= 11)) || ((a12 <= 80 && ((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))) && a15 <= 6) && a24 == \old(a24))) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || ((((a12 <= 80 && a15 <= 8) && a21 == 9) && a24 == \old(a24)) && 19 <= a12)) || (7 == a15 && 10 <= a21)) || (((a12 <= 73282 && 1 == a24) && 8 == a15 && a21 == 8) && 19 <= a12)) || (((((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))) && a15 <= 6) && 1 == a24) && !(6 == a21))) || (((1 == a24 && a21 == 8) && a15 == 9) && 19 <= a12)) || 6 == a15) || (((9 == a15 && a21 == 9) && 1 == a24) && 19 <= a12)) || (((\exists v_~a12~0_452 : int :: (v_~a12~0_452 % 299959 + 286349 <= a12 && 0 <= v_~a12~0_452) && 95381 <= v_~a12~0_452) && a24 == \old(a24)) && (8 <= a15 && a15 <= 8) && a21 <= 6)) || !(1 == \old(a24))) || ((1 == a24 && 10 <= a21 && 9 == a15) && 19 <= a12)) || ((1 == a24 && 7 == a15) && a21 <= 6)) || (7 == a15 && a12 <= 80)) || (((((!(9 == \old(a21)) || !(\old(a21) == \old(a15))) || !(1 == \old(a24))) && a15 <= 6) && 1 == a24) && 5 == a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 91.1s OverallTime, 18 OverallIterations, 16 TraceHistogramMax, 55.2s AutomataDifference, 0.0s DeadEndRemovalTime, 7.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 725 SDtfs, 57815 SDslu, 3872 SDs, 0 SdLazy, 74472 SolverSat, 7048 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14140 GetRequests, 13499 SyntacticMatches, 8 SemanticMatches, 633 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16720 ImplicationChecksByTransitivity, 25.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4902occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 18 MinimizatonAttempts, 2774 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 440 PreInvPairs, 604 NumberOfFragments, 1594 HoareAnnotationTreeSize, 440 FomulaSimplifications, 2558796 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 291334 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 26778 NumberOfCodeBlocks, 26778 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 26744 ConstructedInterpolants, 6 QuantifiedInterpolants, 118265191 SizeOfPredicates, 18 NumberOfNonLiveVariables, 18779 ConjunctsInSsa, 119 ConjunctsInUnsatCore, 34 InterpolantComputations, 6 PerfectInterpolantSequences, 72670/92360 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...