./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 16:40:44,959 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:40:44,961 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:40:44,978 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:40:44,980 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:40:44,981 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:40:44,983 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:40:44,985 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:40:44,987 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:40:44,990 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:40:44,990 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:40:44,992 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:40:44,993 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:40:44,995 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:40:44,996 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:40:45,005 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:40:45,006 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:40:45,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:40:45,015 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:40:45,017 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:40:45,018 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:40:45,019 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:40:45,021 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:40:45,022 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:40:45,022 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:40:45,023 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:40:45,024 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:40:45,024 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:40:45,026 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:40:45,027 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:40:45,027 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:40:45,028 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:40:45,028 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:40:45,028 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:40:45,029 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:40:45,029 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:40:45,030 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:40:45,045 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:40:45,045 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:40:45,046 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:40:45,047 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:40:45,047 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:40:45,047 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:40:45,048 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:40:45,048 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:40:45,049 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:40:45,049 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:40:45,049 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:40:45,049 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:40:45,049 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:40:45,050 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:40:45,050 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:40:45,050 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:40:45,050 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:40:45,050 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:40:45,051 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:40:45,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:40:45,052 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:40:45,052 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:40:45,053 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:40:45,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:40:45,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:40:45,054 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:40:45,054 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:40:45,054 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:40:45,054 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:40:45,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:40:45,055 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f [2018-11-28 16:40:45,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:40:45,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:40:45,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:40:45,136 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:40:45,137 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:40:45,138 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-11-28 16:40:45,198 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23e955877/89f50827da764f77b298f336fc5f0cd7/FLAGa4dec0259 [2018-11-28 16:40:45,773 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:40:45,774 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-11-28 16:40:45,792 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23e955877/89f50827da764f77b298f336fc5f0cd7/FLAGa4dec0259 [2018-11-28 16:40:46,028 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23e955877/89f50827da764f77b298f336fc5f0cd7 [2018-11-28 16:40:46,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:40:46,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:40:46,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:40:46,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:40:46,040 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:40:46,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:46" (1/1) ... [2018-11-28 16:40:46,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364f73cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46, skipping insertion in model container [2018-11-28 16:40:46,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:46" (1/1) ... [2018-11-28 16:40:46,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:40:46,126 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:40:46,640 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:40:46,647 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:40:46,791 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:40:46,813 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:40:46,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46 WrapperNode [2018-11-28 16:40:46,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:40:46,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:40:46,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:40:46,815 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:40:46,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46" (1/1) ... [2018-11-28 16:40:46,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46" (1/1) ... [2018-11-28 16:40:46,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:40:46,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:40:46,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:40:46,944 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:40:46,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46" (1/1) ... [2018-11-28 16:40:46,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46" (1/1) ... [2018-11-28 16:40:46,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46" (1/1) ... [2018-11-28 16:40:46,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46" (1/1) ... [2018-11-28 16:40:47,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46" (1/1) ... [2018-11-28 16:40:47,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46" (1/1) ... [2018-11-28 16:40:47,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46" (1/1) ... [2018-11-28 16:40:47,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:40:47,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:40:47,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:40:47,047 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:40:47,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 16:40:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:40:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:40:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 16:40:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 16:40:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:40:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:40:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:40:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:40:50,064 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:40:50,064 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 16:40:50,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:50 BoogieIcfgContainer [2018-11-28 16:40:50,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:40:50,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:40:50,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:40:50,070 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:40:50,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:40:46" (1/3) ... [2018-11-28 16:40:50,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3622198a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:40:50, skipping insertion in model container [2018-11-28 16:40:50,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:46" (2/3) ... [2018-11-28 16:40:50,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3622198a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:40:50, skipping insertion in model container [2018-11-28 16:40:50,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:50" (3/3) ... [2018-11-28 16:40:50,074 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05_true-unreach-call_false-termination.c [2018-11-28 16:40:50,084 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:40:50,094 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:40:50,110 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:40:50,148 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:40:50,149 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:40:50,149 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:40:50,149 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:40:50,149 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:40:50,149 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:40:50,150 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:40:50,150 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:40:50,150 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:40:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-28 16:40:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-28 16:40:50,190 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:40:50,192 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:40:50,195 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:40:50,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:40:50,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2018-11-28 16:40:50,204 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:40:50,204 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:40:50,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:50,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:40:50,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:40:50,823 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:40:50,888 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 16:40:50,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:40:50,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:40:50,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:40:50,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:40:50,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:40:50,915 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-28 16:40:52,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:40:52,504 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-28 16:40:52,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:40:52,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2018-11-28 16:40:52,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:40:52,523 INFO L225 Difference]: With dead ends: 547 [2018-11-28 16:40:52,523 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 16:40:52,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:40:52,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 16:40:52,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-11-28 16:40:52,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-28 16:40:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-11-28 16:40:52,602 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 100 [2018-11-28 16:40:52,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:40:52,603 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-11-28 16:40:52,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:40:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-11-28 16:40:52,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-28 16:40:52,609 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:40:52,609 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:40:52,610 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:40:52,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:40:52,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2018-11-28 16:40:52,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:40:52,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:40:52,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:52,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:40:52,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:40:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:40:52,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:40:52,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:40:52,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:40:52,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:40:52,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:40:52,784 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-11-28 16:40:54,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:40:54,491 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-11-28 16:40:54,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:40:54,492 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-11-28 16:40:54,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:40:54,499 INFO L225 Difference]: With dead ends: 703 [2018-11-28 16:40:54,499 INFO L226 Difference]: Without dead ends: 431 [2018-11-28 16:40:54,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:40:54,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-11-28 16:40:54,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-11-28 16:40:54,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-11-28 16:40:54,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-11-28 16:40:54,538 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 110 [2018-11-28 16:40:54,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:40:54,538 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-11-28 16:40:54,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:40:54,538 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-11-28 16:40:54,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-28 16:40:54,542 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:40:54,542 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:40:54,543 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:40:54,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:40:54,543 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2018-11-28 16:40:54,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:40:54,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:40:54,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:54,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:40:54,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:40:54,727 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:40:54,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:40:54,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:40:54,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:40:54,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:40:54,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:40:54,730 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-11-28 16:40:55,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:40:55,355 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-11-28 16:40:55,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:40:55,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-11-28 16:40:55,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:40:55,363 INFO L225 Difference]: With dead ends: 1241 [2018-11-28 16:40:55,363 INFO L226 Difference]: Without dead ends: 828 [2018-11-28 16:40:55,365 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:40:55,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-11-28 16:40:55,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-11-28 16:40:55,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-11-28 16:40:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1140 transitions. [2018-11-28 16:40:55,413 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1140 transitions. Word has length 111 [2018-11-28 16:40:55,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:40:55,414 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1140 transitions. [2018-11-28 16:40:55,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:40:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1140 transitions. [2018-11-28 16:40:55,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-28 16:40:55,422 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:40:55,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:55,422 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:40:55,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:40:55,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1258087941, now seen corresponding path program 1 times [2018-11-28 16:40:55,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:40:55,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:40:55,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:55,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:40:55,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:40:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:40:55,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:40:55,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:40:55,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:40:55,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:40:55,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:40:55,609 INFO L87 Difference]: Start difference. First operand 828 states and 1140 transitions. Second operand 6 states. [2018-11-28 16:40:58,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:40:58,254 INFO L93 Difference]: Finished difference Result 2250 states and 3291 transitions. [2018-11-28 16:40:58,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:40:58,256 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-28 16:40:58,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:40:58,272 INFO L225 Difference]: With dead ends: 2250 [2018-11-28 16:40:58,272 INFO L226 Difference]: Without dead ends: 1428 [2018-11-28 16:40:58,276 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:40:58,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2018-11-28 16:40:58,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1400. [2018-11-28 16:40:58,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1400 states. [2018-11-28 16:40:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1852 transitions. [2018-11-28 16:40:58,349 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1852 transitions. Word has length 125 [2018-11-28 16:40:58,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:40:58,350 INFO L480 AbstractCegarLoop]: Abstraction has 1400 states and 1852 transitions. [2018-11-28 16:40:58,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:40:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1852 transitions. [2018-11-28 16:40:58,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-28 16:40:58,357 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:40:58,358 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:58,358 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:40:58,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:40:58,359 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2018-11-28 16:40:58,359 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:40:58,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:40:58,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:58,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:40:58,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:40:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:40:58,706 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:40:58,706 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 16:40:58,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:40:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:40:58,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:40:59,059 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:40:59,079 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:40:59,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-28 16:40:59,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 16:40:59,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 16:40:59,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-28 16:40:59,081 INFO L87 Difference]: Start difference. First operand 1400 states and 1852 transitions. Second operand 7 states. [2018-11-28 16:41:01,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:01,630 INFO L93 Difference]: Finished difference Result 3245 states and 4457 transitions. [2018-11-28 16:41:01,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:41:01,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2018-11-28 16:41:01,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:01,652 INFO L225 Difference]: With dead ends: 3245 [2018-11-28 16:41:01,653 INFO L226 Difference]: Without dead ends: 1851 [2018-11-28 16:41:01,657 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:41:01,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2018-11-28 16:41:01,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1541. [2018-11-28 16:41:01,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1541 states. [2018-11-28 16:41:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2040 transitions. [2018-11-28 16:41:01,743 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2040 transitions. Word has length 142 [2018-11-28 16:41:01,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:01,745 INFO L480 AbstractCegarLoop]: Abstraction has 1541 states and 2040 transitions. [2018-11-28 16:41:01,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 16:41:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2040 transitions. [2018-11-28 16:41:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-28 16:41:01,751 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:01,752 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:41:01,752 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:01,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:01,752 INFO L82 PathProgramCache]: Analyzing trace with hash 809347390, now seen corresponding path program 1 times [2018-11-28 16:41:01,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:01,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:01,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:01,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:01,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:02,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:41:02,025 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 16:41:02,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:02,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:41:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 16:41:02,273 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:41:02,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-28 16:41:02,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 16:41:02,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 16:41:02,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 16:41:02,276 INFO L87 Difference]: Start difference. First operand 1541 states and 2040 transitions. Second operand 8 states. [2018-11-28 16:41:05,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:05,737 INFO L93 Difference]: Finished difference Result 3718 states and 5160 transitions. [2018-11-28 16:41:05,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 16:41:05,739 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2018-11-28 16:41:05,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:05,751 INFO L225 Difference]: With dead ends: 3718 [2018-11-28 16:41:05,751 INFO L226 Difference]: Without dead ends: 2183 [2018-11-28 16:41:05,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-28 16:41:05,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2018-11-28 16:41:05,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 1712. [2018-11-28 16:41:05,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2018-11-28 16:41:05,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2129 transitions. [2018-11-28 16:41:05,828 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2129 transitions. Word has length 146 [2018-11-28 16:41:05,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:05,828 INFO L480 AbstractCegarLoop]: Abstraction has 1712 states and 2129 transitions. [2018-11-28 16:41:05,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 16:41:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2129 transitions. [2018-11-28 16:41:05,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-28 16:41:05,835 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:05,835 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:41:05,835 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:05,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:05,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1440991952, now seen corresponding path program 1 times [2018-11-28 16:41:05,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:05,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:05,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:05,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:05,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:06,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:41:06,045 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 16:41:06,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:06,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:41:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-28 16:41:06,273 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:41:06,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-28 16:41:06,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 16:41:06,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 16:41:06,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 16:41:06,275 INFO L87 Difference]: Start difference. First operand 1712 states and 2129 transitions. Second operand 8 states. [2018-11-28 16:41:08,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:08,831 INFO L93 Difference]: Finished difference Result 5639 states and 7681 transitions. [2018-11-28 16:41:08,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-28 16:41:08,832 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2018-11-28 16:41:08,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:08,854 INFO L225 Difference]: With dead ends: 5639 [2018-11-28 16:41:08,854 INFO L226 Difference]: Without dead ends: 3933 [2018-11-28 16:41:08,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2018-11-28 16:41:08,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3933 states. [2018-11-28 16:41:08,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3933 to 3432. [2018-11-28 16:41:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3432 states. [2018-11-28 16:41:08,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 3432 states and 4323 transitions. [2018-11-28 16:41:08,975 INFO L78 Accepts]: Start accepts. Automaton has 3432 states and 4323 transitions. Word has length 166 [2018-11-28 16:41:08,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:08,976 INFO L480 AbstractCegarLoop]: Abstraction has 3432 states and 4323 transitions. [2018-11-28 16:41:08,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 16:41:08,976 INFO L276 IsEmpty]: Start isEmpty. Operand 3432 states and 4323 transitions. [2018-11-28 16:41:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-28 16:41:08,987 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:08,988 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:41:08,988 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:08,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:08,988 INFO L82 PathProgramCache]: Analyzing trace with hash -648776304, now seen corresponding path program 1 times [2018-11-28 16:41:08,989 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:08,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:08,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:08,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:08,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:09,152 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 109 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-28 16:41:09,152 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:41:09,153 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 16:41:09,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:09,258 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:41:09,436 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-28 16:41:09,467 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:41:09,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-28 16:41:09,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 16:41:09,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 16:41:09,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 16:41:09,469 INFO L87 Difference]: Start difference. First operand 3432 states and 4323 transitions. Second operand 8 states. [2018-11-28 16:41:12,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:12,926 INFO L93 Difference]: Finished difference Result 7100 states and 9084 transitions. [2018-11-28 16:41:12,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-28 16:41:12,926 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2018-11-28 16:41:12,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:12,927 INFO L225 Difference]: With dead ends: 7100 [2018-11-28 16:41:12,927 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 16:41:12,941 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2018-11-28 16:41:12,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 16:41:12,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 16:41:12,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 16:41:12,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 16:41:12,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2018-11-28 16:41:12,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:12,943 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 16:41:12,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 16:41:12,943 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 16:41:12,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 16:41:12,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 16:41:13,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:13,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:13,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:13,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:13,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:13,340 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 161 [2018-11-28 16:41:13,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:13,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:13,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:13,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:13,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:13,558 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 161 [2018-11-28 16:41:13,742 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-28 16:41:14,099 WARN L180 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2018-11-28 16:41:15,243 WARN L180 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 134 DAG size of output: 62 [2018-11-28 16:41:16,561 WARN L180 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 160 DAG size of output: 61 [2018-11-28 16:41:17,626 WARN L180 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 160 DAG size of output: 61 [2018-11-28 16:41:17,629 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:41:17,629 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-28 16:41:17,629 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:41:17,630 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-28 16:41:17,630 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-28 16:41:17,630 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,630 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,630 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,630 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,630 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,630 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,630 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-28 16:41:17,631 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-28 16:41:17,631 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-28 16:41:17,631 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-28 16:41:17,631 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-28 16:41:17,631 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 16:41:17,631 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-28 16:41:17,631 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-28 16:41:17,631 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-28 16:41:17,631 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-28 16:41:17,631 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,632 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,632 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,632 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,632 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,632 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,632 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-28 16:41:17,632 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-28 16:41:17,632 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-28 16:41:17,632 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 16:41:17,632 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-28 16:41:17,633 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-28 16:41:17,633 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-28 16:41:17,633 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-28 16:41:17,633 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-28 16:41:17,633 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-28 16:41:17,633 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-11-28 16:41:17,633 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-28 16:41:17,633 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-28 16:41:17,633 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-28 16:41:17,634 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-28 16:41:17,634 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-28 16:41:17,634 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,634 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,634 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,634 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,634 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,634 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-28 16:41:17,634 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-28 16:41:17,634 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-28 16:41:17,635 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-28 16:41:17,635 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-28 16:41:17,635 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 16:41:17,635 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-28 16:41:17,635 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-28 16:41:17,635 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-28 16:41:17,635 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,635 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,635 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,636 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,636 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,636 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-28 16:41:17,636 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-28 16:41:17,636 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-28 16:41:17,636 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-28 16:41:17,636 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-28 16:41:17,636 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-28 16:41:17,636 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-28 16:41:17,636 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-28 16:41:17,637 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-28 16:41:17,637 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-28 16:41:17,637 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-28 16:41:17,637 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-28 16:41:17,637 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-28 16:41:17,637 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,637 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,637 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,637 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,637 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,638 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-28 16:41:17,638 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-28 16:41:17,638 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-28 16:41:17,638 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-28 16:41:17,638 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-28 16:41:17,638 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-28 16:41:17,638 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-28 16:41:17,638 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-28 16:41:17,638 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-28 16:41:17,638 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,639 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,639 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,639 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,639 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,639 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,639 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-28 16:41:17,639 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,639 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-28 16:41:17,639 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-28 16:41:17,639 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-28 16:41:17,639 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 16:41:17,640 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-28 16:41:17,640 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-28 16:41:17,640 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-28 16:41:17,640 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-28 16:41:17,640 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-28 16:41:17,640 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-28 16:41:17,640 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-28 16:41:17,640 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-28 16:41:17,640 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-28 16:41:17,640 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,641 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,641 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,641 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,641 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,641 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-28 16:41:17,641 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-28 16:41:17,641 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-28 16:41:17,641 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-28 16:41:17,641 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-28 16:41:17,641 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-28 16:41:17,641 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-28 16:41:17,642 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-28 16:41:17,642 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,642 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,642 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,642 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,642 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,642 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-28 16:41:17,642 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-28 16:41:17,642 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-28 16:41:17,642 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-28 16:41:17,643 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-28 16:41:17,643 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-28 16:41:17,643 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-28 16:41:17,643 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-28 16:41:17,643 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-28 16:41:17,643 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-28 16:41:17,643 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse18 (< 0 |old(~a21~0)|)) (.cse12 (= |old(~a16~0)| ~a16~0)) (.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse11 (= |old(~a8~0)| ~a8~0)) (.cse16 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a20~0 |old(~a20~0)|)) (.cse15 (= 6 |old(~a16~0)|)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse17 (not (= 1 |old(~a20~0)|)))) (let ((.cse0 (or .cse4 (= 4 |old(~a16~0)|) .cse17)) (.cse5 (= 13 |old(~a8~0)|)) (.cse8 (not (= 1 |old(~a7~0)|))) (.cse7 (or .cse15 .cse4 .cse17)) (.cse6 (not (= 1 |old(~a17~0)|))) (.cse1 (< 0 |old(~a7~0)|)) (.cse3 (and .cse12 .cse10 .cse11 .cse16 (= 1 ~a21~0) .cse13)) (.cse9 (or .cse15 .cse18)) (.cse14 (= ~a21~0 |old(~a21~0)|)) (.cse2 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse5 .cse1 .cse6) (or .cse7 .cse8 .cse3 .cse6) (or .cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 (= 1 ~a17~0)) .cse6) (or .cse0 .cse3 .cse1 .cse6) (or .cse15 .cse4 .cse3 .cse5 .cse8 .cse2) (or .cse3 .cse7 .cse1 .cse6) (or (or .cse15 .cse4 .cse1) .cse2 .cse3) (or .cse9 .cse2 (and .cse10 .cse11 .cse16 .cse12 .cse13 .cse14)) (or .cse17 (and .cse12 .cse14 .cse10 .cse11 .cse16 .cse13) .cse2 .cse18)))) [2018-11-28 16:41:17,643 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-28 16:41:17,644 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,644 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,644 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,644 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,644 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-28 16:41:17,644 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,644 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,644 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-28 16:41:17,644 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-28 16:41:17,644 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-28 16:41:17,644 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 16:41:17,645 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-28 16:41:17,645 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 16:41:17,645 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-28 16:41:17,645 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-28 16:41:17,645 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-28 16:41:17,645 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-28 16:41:17,645 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-28 16:41:17,645 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-28 16:41:17,645 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,645 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,646 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,646 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,646 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,646 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-28 16:41:17,646 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,646 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-28 16:41:17,646 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-28 16:41:17,646 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-28 16:41:17,646 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-28 16:41:17,646 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 16:41:17,646 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-28 16:41:17,647 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 16:41:17,647 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-28 16:41:17,647 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-28 16:41:17,647 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-28 16:41:17,647 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-28 16:41:17,647 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-28 16:41:17,647 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-28 16:41:17,647 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-28 16:41:17,647 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,647 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,647 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,647 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,654 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,655 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:17,655 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-28 16:41:17,655 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-28 16:41:17,655 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-28 16:41:17,655 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-28 16:41:17,655 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-28 16:41:17,655 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-28 16:41:17,655 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-28 16:41:17,655 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-28 16:41:17,655 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-28 16:41:17,656 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-28 16:41:17,656 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:41:17,656 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (<= ~a7~0 0) (not (= ~a8~0 13)) (not (= ~a16~0 4)) (= 1 ~a17~0)) [2018-11-28 16:41:17,656 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 16:41:17,656 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:41:17,656 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 4 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (and (= |old(~a16~0)| ~a16~0) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-28 16:41:17,656 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-28 16:41:17,656 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (= ~a16~0 6))) (.cse10 (= 1 ~a20~0)) (.cse3 (= 1 ~a21~0))) (let ((.cse8 (and .cse10 .cse3 (not (= ~a16~0 4)))) (.cse4 (not (= ~a8~0 13))) (.cse5 (<= ~a7~0 0)) (.cse6 (and .cse10 .cse2 .cse3)) (.cse7 (= 1 ~a17~0)) (.cse0 (= 1 ~a7~0)) (.cse9 (<= ~a21~0 0)) (.cse1 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 (and .cse2 .cse3 .cse4)) (and (and .cse2 .cse3 .cse5) .cse1) (and .cse6 .cse5 .cse7) (not (= 1 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (and (and .cse8 .cse7) .cse5) (and .cse9 .cse2 .cse7) (= 6 |old(~a16~0)|) (and .cse3 .cse4 .cse5 .cse7) (and (and .cse8 .cse5) .cse1) (and (and .cse3 .cse4 .cse5) .cse1) (= 13 |old(~a8~0)|) (and .cse9 .cse2 .cse1) (and (and .cse6 .cse7) .cse0) (not (= 1 |old(~a17~0)|)) (= 4 |old(~a16~0)|) (and .cse9 .cse10 .cse1)))) [2018-11-28 16:41:17,657 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-28 16:41:17,657 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-28 16:41:17,657 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (not (= ~a16~0 6))) (.cse10 (= 1 ~a20~0)) (.cse3 (= 1 ~a21~0))) (let ((.cse8 (and .cse10 .cse3 (not (= ~a16~0 4)))) (.cse4 (not (= ~a8~0 13))) (.cse5 (<= ~a7~0 0)) (.cse6 (and .cse10 .cse2 .cse3)) (.cse7 (= 1 ~a17~0)) (.cse0 (= 1 ~a7~0)) (.cse9 (<= ~a21~0 0)) (.cse1 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 (and .cse2 .cse3 .cse4)) (and (and .cse2 .cse3 .cse5) .cse1) (and .cse6 .cse5 .cse7) (not (= 1 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (and (and .cse8 .cse7) .cse5) (and .cse9 .cse2 .cse7) (= 6 |old(~a16~0)|) (and .cse3 .cse4 .cse5 .cse7) (and (and .cse8 .cse5) .cse1) (and (and .cse3 .cse4 .cse5) .cse1) (= 13 |old(~a8~0)|) (and .cse9 .cse2 .cse1) (and (and .cse6 .cse7) .cse0) (not (= 1 |old(~a17~0)|)) (= 4 |old(~a16~0)|) (and .cse9 .cse10 .cse1)))) [2018-11-28 16:41:17,657 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-28 16:41:17,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:41:17 BoogieIcfgContainer [2018-11-28 16:41:17,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:41:17,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:41:17,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:41:17,696 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:41:17,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:50" (3/4) ... [2018-11-28 16:41:17,707 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 16:41:17,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 16:41:17,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 16:41:17,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 16:41:17,736 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 16:41:17,738 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 16:41:17,773 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == \old(a21)) || ((1 == a7 && a17 <= 0) && (!(a16 == 6) && 1 == a21) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a7 <= 0) && a17 <= 0)) || ((((1 == a20 && !(a16 == 6)) && 1 == a21) && a7 <= 0) && 1 == a17)) || !(1 == \old(a20))) || 0 < \old(a7)) || ((((1 == a20 && 1 == a21) && !(a16 == 4)) && 1 == a17) && a7 <= 0)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || 6 == \old(a16)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && 1 == a17)) || ((((1 == a20 && 1 == a21) && !(a16 == 4)) && a7 <= 0) && a17 <= 0)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && a17 <= 0)) || 13 == \old(a8)) || ((a21 <= 0 && !(a16 == 6)) && a17 <= 0)) || ((((1 == a20 && !(a16 == 6)) && 1 == a21) && 1 == a17) && 1 == a7)) || !(1 == \old(a17))) || 4 == \old(a16)) || ((a21 <= 0 && 1 == a20) && a17 <= 0) [2018-11-28 16:41:17,931 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:41:17,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:41:17,935 INFO L168 Benchmark]: Toolchain (without parser) took 31898.59 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 477.6 MB). Free memory was 943.3 MB in the beginning and 1.4 GB in the end (delta: -420.4 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:17,935 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:41:17,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.56 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 911.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:17,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 911.1 MB in the beginning and 1.1 GB in the end (delta: -207.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:17,936 INFO L168 Benchmark]: Boogie Preprocessor took 102.33 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 16:41:17,937 INFO L168 Benchmark]: RCFGBuilder took 3019.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 98.8 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:17,937 INFO L168 Benchmark]: TraceAbstraction took 27626.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 345.5 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -378.4 MB). Peak memory consumption was 467.9 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:17,937 INFO L168 Benchmark]: Witness Printer took 237.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:17,943 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 778.56 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 911.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 911.1 MB in the beginning and 1.1 GB in the end (delta: -207.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.33 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. * RCFGBuilder took 3019.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 98.8 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27626.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 345.5 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -378.4 MB). Peak memory consumption was 467.9 MB. Max. memory is 11.5 GB. * Witness Printer took 237.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == \old(a21)) || ((1 == a7 && a17 <= 0) && (!(a16 == 6) && 1 == a21) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a7 <= 0) && a17 <= 0)) || ((((1 == a20 && !(a16 == 6)) && 1 == a21) && a7 <= 0) && 1 == a17)) || !(1 == \old(a20))) || 0 < \old(a7)) || ((((1 == a20 && 1 == a21) && !(a16 == 4)) && 1 == a17) && a7 <= 0)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || 6 == \old(a16)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && 1 == a17)) || ((((1 == a20 && 1 == a21) && !(a16 == 4)) && a7 <= 0) && a17 <= 0)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && a17 <= 0)) || 13 == \old(a8)) || ((a21 <= 0 && !(a16 == 6)) && a17 <= 0)) || ((((1 == a20 && !(a16 == 6)) && 1 == a21) && 1 == a17) && 1 == a7)) || !(1 == \old(a17))) || 4 == \old(a16)) || ((a21 <= 0 && 1 == a20) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 27.5s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 18.7s AutomataDifference, 0.0s DeadEndRemovalTime, 4.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 277 SDtfs, 4197 SDslu, 487 SDs, 0 SdLazy, 7371 SolverSat, 1511 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 788 GetRequests, 695 SyntacticMatches, 5 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3432occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1322 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 174 NumberOfFragments, 883 HoareAnnotationTreeSize, 108 FomulaSimplifications, 30100 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 19443 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1762 NumberOfCodeBlocks, 1762 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1750 ConstructedInterpolants, 0 QuantifiedInterpolants, 668592 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1903 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 556/727 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...