./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem02_label06_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/Problem02_label06_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 4efbed7cd0f5d77b92597ff02e6d19fa8a62de34 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:42:11,747 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:42:11,750 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:42:11,766 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:42:11,768 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:42:11,769 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:42:11,771 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:42:11,773 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:42:11,776 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:42:11,777 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:42:11,779 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:42:11,779 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:42:11,780 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:42:11,782 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:42:11,783 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:42:11,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:42:11,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:42:11,799 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:42:11,800 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:42:11,803 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:42:11,805 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:42:11,809 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:42:11,813 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:42:11,813 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:42:11,813 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:42:11,814 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:42:11,815 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:42:11,820 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:42:11,821 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:42:11,824 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:42:11,824 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:42:11,825 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:42:11,825 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:42:11,825 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:42:11,826 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:42:11,827 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:42:11,827 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:42:11,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:42:11,855 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:42:11,856 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:42:11,856 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:42:11,857 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:42:11,858 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:42:11,858 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:42:11,859 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:42:11,859 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:42:11,859 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:42:11,859 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:42:11,860 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:42:11,860 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:42:11,860 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:42:11,860 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:42:11,860 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:42:11,860 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:42:11,861 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:42:11,861 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:42:11,861 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:42:11,861 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:42:11,861 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:42:11,861 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:42:11,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:42:11,862 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:42:11,862 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:42:11,862 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:42:11,862 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:42:11,862 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:42:11,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:42:11,864 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 -> 4efbed7cd0f5d77b92597ff02e6d19fa8a62de34 [2018-11-28 16:42:11,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:42:11,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:42:11,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:42:11,930 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:42:11,931 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:42:11,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-11-28 16:42:12,003 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f105eb0/d7cad7b5847046cab4330e8d24b79303/FLAG148050da0 [2018-11-28 16:42:12,617 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:42:12,618 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-11-28 16:42:12,631 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f105eb0/d7cad7b5847046cab4330e8d24b79303/FLAG148050da0 [2018-11-28 16:42:12,835 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f105eb0/d7cad7b5847046cab4330e8d24b79303 [2018-11-28 16:42:12,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:42:12,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:42:12,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:42:12,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:42:12,845 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:42:12,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:12" (1/1) ... [2018-11-28 16:42:12,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf57bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:12, skipping insertion in model container [2018-11-28 16:42:12,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:12" (1/1) ... [2018-11-28 16:42:12,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:42:12,919 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:42:13,418 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:42:13,426 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:42:13,588 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:42:13,618 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:42:13,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:13 WrapperNode [2018-11-28 16:42:13,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:42:13,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:42:13,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:42:13,619 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:42:13,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:13" (1/1) ... [2018-11-28 16:42:13,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:13" (1/1) ... [2018-11-28 16:42:13,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:42:13,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:42:13,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:42:13,739 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:42:13,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:13" (1/1) ... [2018-11-28 16:42:13,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:13" (1/1) ... [2018-11-28 16:42:13,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:13" (1/1) ... [2018-11-28 16:42:13,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:13" (1/1) ... [2018-11-28 16:42:13,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:13" (1/1) ... [2018-11-28 16:42:13,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:13" (1/1) ... [2018-11-28 16:42:13,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:13" (1/1) ... [2018-11-28 16:42:13,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:42:13,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:42:13,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:42:13,851 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:42:13,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:13" (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 16:42:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:42:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:42:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 16:42:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 16:42:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:42:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:42:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:42:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:42:17,055 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:42:17,055 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 16:42:17,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:17 BoogieIcfgContainer [2018-11-28 16:42:17,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:42:17,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:42:17,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:42:17,061 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:42:17,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:42:12" (1/3) ... [2018-11-28 16:42:17,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51263dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:17, skipping insertion in model container [2018-11-28 16:42:17,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:13" (2/3) ... [2018-11-28 16:42:17,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51263dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:17, skipping insertion in model container [2018-11-28 16:42:17,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:17" (3/3) ... [2018-11-28 16:42:17,066 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label06_true-unreach-call_false-termination.c [2018-11-28 16:42:17,078 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:42:17,088 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:42:17,108 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:42:17,154 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:42:17,155 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:42:17,155 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:42:17,155 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:42:17,156 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:42:17,156 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:42:17,156 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:42:17,157 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:42:17,157 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:42:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-28 16:42:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-28 16:42:17,214 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:17,216 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:17,218 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:17,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:17,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1121979298, now seen corresponding path program 1 times [2018-11-28 16:42:17,227 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:17,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:17,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:17,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:17,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:17,964 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:42:18,138 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 16:42:18,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:18,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:42:18,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:42:18,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:42:18,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:42:18,168 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-28 16:42:19,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:19,694 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-28 16:42:19,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:42:19,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-11-28 16:42:19,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:19,720 INFO L225 Difference]: With dead ends: 618 [2018-11-28 16:42:19,720 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 16:42:19,727 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:42:19,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 16:42:19,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 16:42:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 16:42:19,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 465 transitions. [2018-11-28 16:42:19,802 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 465 transitions. Word has length 146 [2018-11-28 16:42:19,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:19,803 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 465 transitions. [2018-11-28 16:42:19,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:42:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2018-11-28 16:42:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-28 16:42:19,811 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:19,811 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:19,811 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:19,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:19,813 INFO L82 PathProgramCache]: Analyzing trace with hash -74166087, now seen corresponding path program 1 times [2018-11-28 16:42:19,813 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:19,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:19,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:19,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:19,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:20,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:20,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:20,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:42:20,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:20,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:20,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:20,270 INFO L87 Difference]: Start difference. First operand 320 states and 465 transitions. Second operand 5 states. [2018-11-28 16:42:21,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:21,443 INFO L93 Difference]: Finished difference Result 721 states and 1089 transitions. [2018-11-28 16:42:21,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:42:21,444 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2018-11-28 16:42:21,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:21,448 INFO L225 Difference]: With dead ends: 721 [2018-11-28 16:42:21,448 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 16:42:21,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:21,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 16:42:21,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 16:42:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 16:42:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 461 transitions. [2018-11-28 16:42:21,481 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 461 transitions. Word has length 154 [2018-11-28 16:42:21,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:21,482 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 461 transitions. [2018-11-28 16:42:21,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 461 transitions. [2018-11-28 16:42:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-28 16:42:21,486 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:21,487 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:21,487 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:21,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:21,488 INFO L82 PathProgramCache]: Analyzing trace with hash 742954861, now seen corresponding path program 1 times [2018-11-28 16:42:21,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:21,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:21,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:21,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:21,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:22,172 WARN L180 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2018-11-28 16:42:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:22,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:22,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:42:22,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:22,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:22,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:22,297 INFO L87 Difference]: Start difference. First operand 320 states and 461 transitions. Second operand 5 states. [2018-11-28 16:42:23,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:23,597 INFO L93 Difference]: Finished difference Result 717 states and 1075 transitions. [2018-11-28 16:42:23,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:42:23,599 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2018-11-28 16:42:23,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:23,602 INFO L225 Difference]: With dead ends: 717 [2018-11-28 16:42:23,602 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 16:42:23,604 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:23,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 16:42:23,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 16:42:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 16:42:23,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 455 transitions. [2018-11-28 16:42:23,620 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 455 transitions. Word has length 160 [2018-11-28 16:42:23,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:23,621 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 455 transitions. [2018-11-28 16:42:23,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:23,622 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 455 transitions. [2018-11-28 16:42:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-28 16:42:23,625 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:23,625 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:23,626 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:23,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:23,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1806866058, now seen corresponding path program 1 times [2018-11-28 16:42:23,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:23,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:23,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:23,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:23,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:23,910 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:42:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:23,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:23,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:42:23,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:42:23,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:42:23,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:42:23,976 INFO L87 Difference]: Start difference. First operand 320 states and 455 transitions. Second operand 6 states. [2018-11-28 16:42:25,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:25,891 INFO L93 Difference]: Finished difference Result 951 states and 1383 transitions. [2018-11-28 16:42:25,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:42:25,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-11-28 16:42:25,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:25,898 INFO L225 Difference]: With dead ends: 951 [2018-11-28 16:42:25,898 INFO L226 Difference]: Without dead ends: 637 [2018-11-28 16:42:25,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:42:25,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-11-28 16:42:25,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 626. [2018-11-28 16:42:25,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 16:42:25,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 871 transitions. [2018-11-28 16:42:25,934 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 871 transitions. Word has length 168 [2018-11-28 16:42:25,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:25,939 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 871 transitions. [2018-11-28 16:42:25,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:42:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 871 transitions. [2018-11-28 16:42:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-28 16:42:25,944 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:25,945 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:25,945 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:25,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:25,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1446244430, now seen corresponding path program 1 times [2018-11-28 16:42:25,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:25,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:25,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:25,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:25,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:26,394 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-28 16:42:26,619 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 16:42:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:26,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:26,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:42:26,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:26,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:26,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:26,714 INFO L87 Difference]: Start difference. First operand 626 states and 871 transitions. Second operand 5 states. [2018-11-28 16:42:28,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:28,685 INFO L93 Difference]: Finished difference Result 1330 states and 1903 transitions. [2018-11-28 16:42:28,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:42:28,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2018-11-28 16:42:28,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:28,691 INFO L225 Difference]: With dead ends: 1330 [2018-11-28 16:42:28,692 INFO L226 Difference]: Without dead ends: 626 [2018-11-28 16:42:28,694 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:28,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-11-28 16:42:28,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-11-28 16:42:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 16:42:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 859 transitions. [2018-11-28 16:42:28,728 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 859 transitions. Word has length 170 [2018-11-28 16:42:28,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:28,729 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 859 transitions. [2018-11-28 16:42:28,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 859 transitions. [2018-11-28 16:42:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-28 16:42:28,734 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:28,734 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:28,735 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:28,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:28,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1864889838, now seen corresponding path program 1 times [2018-11-28 16:42:28,735 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:28,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:28,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:28,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:28,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:29,071 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 16:42:29,178 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:29,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:29,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:42:29,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:29,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:29,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:29,180 INFO L87 Difference]: Start difference. First operand 626 states and 859 transitions. Second operand 5 states. [2018-11-28 16:42:30,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:30,248 INFO L93 Difference]: Finished difference Result 1332 states and 1878 transitions. [2018-11-28 16:42:30,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:42:30,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2018-11-28 16:42:30,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:30,254 INFO L225 Difference]: With dead ends: 1332 [2018-11-28 16:42:30,254 INFO L226 Difference]: Without dead ends: 626 [2018-11-28 16:42:30,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:30,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-11-28 16:42:30,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-11-28 16:42:30,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 16:42:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 843 transitions. [2018-11-28 16:42:30,279 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 843 transitions. Word has length 172 [2018-11-28 16:42:30,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:30,279 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 843 transitions. [2018-11-28 16:42:30,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:30,279 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 843 transitions. [2018-11-28 16:42:30,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-28 16:42:30,284 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:30,284 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:30,284 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:30,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:30,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1412924006, now seen corresponding path program 1 times [2018-11-28 16:42:30,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:30,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:30,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:30,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:30,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:30,477 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:42:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:30,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:30,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:42:30,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:42:30,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:42:30,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:42:30,528 INFO L87 Difference]: Start difference. First operand 626 states and 843 transitions. Second operand 6 states. [2018-11-28 16:42:31,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:31,278 INFO L93 Difference]: Finished difference Result 1858 states and 2601 transitions. [2018-11-28 16:42:31,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:42:31,280 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-11-28 16:42:31,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:31,288 INFO L225 Difference]: With dead ends: 1858 [2018-11-28 16:42:31,289 INFO L226 Difference]: Without dead ends: 1238 [2018-11-28 16:42:31,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:42:31,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-11-28 16:42:31,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1218. [2018-11-28 16:42:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2018-11-28 16:42:31,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1637 transitions. [2018-11-28 16:42:31,334 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1637 transitions. Word has length 176 [2018-11-28 16:42:31,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:31,334 INFO L480 AbstractCegarLoop]: Abstraction has 1218 states and 1637 transitions. [2018-11-28 16:42:31,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:42:31,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1637 transitions. [2018-11-28 16:42:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-28 16:42:31,340 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:31,341 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:31,341 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:31,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:31,341 INFO L82 PathProgramCache]: Analyzing trace with hash -788488225, now seen corresponding path program 1 times [2018-11-28 16:42:31,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:31,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:31,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:31,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:31,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:31,874 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:42:31,874 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 16:42:31,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:31,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:42:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 16:42:32,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 16:42:32,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2018-11-28 16:42:32,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 16:42:32,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 16:42:32,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-28 16:42:32,101 INFO L87 Difference]: Start difference. First operand 1218 states and 1637 transitions. Second operand 8 states. [2018-11-28 16:42:32,761 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 6 [2018-11-28 16:42:36,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:36,706 INFO L93 Difference]: Finished difference Result 4712 states and 6777 transitions. [2018-11-28 16:42:36,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 16:42:36,707 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2018-11-28 16:42:36,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:36,729 INFO L225 Difference]: With dead ends: 4712 [2018-11-28 16:42:36,730 INFO L226 Difference]: Without dead ends: 3500 [2018-11-28 16:42:36,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2018-11-28 16:42:36,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3500 states. [2018-11-28 16:42:36,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3500 to 3483. [2018-11-28 16:42:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3483 states. [2018-11-28 16:42:36,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3483 states to 3483 states and 4512 transitions. [2018-11-28 16:42:36,848 INFO L78 Accepts]: Start accepts. Automaton has 3483 states and 4512 transitions. Word has length 181 [2018-11-28 16:42:36,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:36,849 INFO L480 AbstractCegarLoop]: Abstraction has 3483 states and 4512 transitions. [2018-11-28 16:42:36,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 16:42:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3483 states and 4512 transitions. [2018-11-28 16:42:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-28 16:42:36,866 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:36,866 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:36,866 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:36,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:36,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1936433181, now seen corresponding path program 1 times [2018-11-28 16:42:36,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:36,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:36,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:36,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:36,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:37,291 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 8 [2018-11-28 16:42:37,613 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:37,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:37,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:42:37,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:42:37,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:42:37,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:42:37,615 INFO L87 Difference]: Start difference. First operand 3483 states and 4512 transitions. Second operand 6 states. [2018-11-28 16:42:38,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:38,614 INFO L93 Difference]: Finished difference Result 8292 states and 10873 transitions. [2018-11-28 16:42:38,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 16:42:38,617 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2018-11-28 16:42:38,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:38,644 INFO L225 Difference]: With dead ends: 8292 [2018-11-28 16:42:38,645 INFO L226 Difference]: Without dead ends: 4819 [2018-11-28 16:42:38,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:42:38,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4819 states. [2018-11-28 16:42:38,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4819 to 4069. [2018-11-28 16:42:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4069 states. [2018-11-28 16:42:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 4069 states and 5044 transitions. [2018-11-28 16:42:38,837 INFO L78 Accepts]: Start accepts. Automaton has 4069 states and 5044 transitions. Word has length 216 [2018-11-28 16:42:38,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:38,837 INFO L480 AbstractCegarLoop]: Abstraction has 4069 states and 5044 transitions. [2018-11-28 16:42:38,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:42:38,839 INFO L276 IsEmpty]: Start isEmpty. Operand 4069 states and 5044 transitions. [2018-11-28 16:42:38,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-28 16:42:38,856 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:38,857 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:38,857 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:38,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:38,857 INFO L82 PathProgramCache]: Analyzing trace with hash -499769692, now seen corresponding path program 1 times [2018-11-28 16:42:38,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:38,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:38,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:38,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:38,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:39,134 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-28 16:42:39,614 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 116 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:39,614 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:42:39,614 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 16:42:39,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:39,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:42:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 16:42:39,931 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:42:39,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2018-11-28 16:42:39,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 16:42:39,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 16:42:39,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-11-28 16:42:39,934 INFO L87 Difference]: Start difference. First operand 4069 states and 5044 transitions. Second operand 15 states. [2018-11-28 16:42:44,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:44,128 INFO L93 Difference]: Finished difference Result 8471 states and 11188 transitions. [2018-11-28 16:42:44,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 16:42:44,130 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 251 [2018-11-28 16:42:44,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:44,155 INFO L225 Difference]: With dead ends: 8471 [2018-11-28 16:42:44,155 INFO L226 Difference]: Without dead ends: 3938 [2018-11-28 16:42:44,172 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2018-11-28 16:42:44,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2018-11-28 16:42:44,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 3310. [2018-11-28 16:42:44,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3310 states. [2018-11-28 16:42:44,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 3310 states and 4267 transitions. [2018-11-28 16:42:44,315 INFO L78 Accepts]: Start accepts. Automaton has 3310 states and 4267 transitions. Word has length 251 [2018-11-28 16:42:44,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:44,316 INFO L480 AbstractCegarLoop]: Abstraction has 3310 states and 4267 transitions. [2018-11-28 16:42:44,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 16:42:44,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 4267 transitions. [2018-11-28 16:42:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-28 16:42:44,341 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:44,341 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:44,342 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:44,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:44,342 INFO L82 PathProgramCache]: Analyzing trace with hash 61009168, now seen corresponding path program 1 times [2018-11-28 16:42:44,342 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:44,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:44,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:44,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:44,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 111 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-28 16:42:44,730 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:42:44,731 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 16:42:44,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:44,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:42:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-28 16:42:44,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 16:42:44,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-28 16:42:44,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 16:42:44,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 16:42:44,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:42:44,996 INFO L87 Difference]: Start difference. First operand 3310 states and 4267 transitions. Second operand 9 states. [2018-11-28 16:42:48,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:48,539 INFO L93 Difference]: Finished difference Result 6363 states and 8325 transitions. [2018-11-28 16:42:48,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-28 16:42:48,540 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 257 [2018-11-28 16:42:48,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:48,559 INFO L225 Difference]: With dead ends: 6363 [2018-11-28 16:42:48,559 INFO L226 Difference]: Without dead ends: 3053 [2018-11-28 16:42:48,578 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2018-11-28 16:42:48,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2018-11-28 16:42:48,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 2612. [2018-11-28 16:42:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2612 states. [2018-11-28 16:42:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 2951 transitions. [2018-11-28 16:42:48,706 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 2951 transitions. Word has length 257 [2018-11-28 16:42:48,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:48,706 INFO L480 AbstractCegarLoop]: Abstraction has 2612 states and 2951 transitions. [2018-11-28 16:42:48,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 16:42:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 2951 transitions. [2018-11-28 16:42:48,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-28 16:42:48,718 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:48,718 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:48,718 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:48,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:48,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1641491959, now seen corresponding path program 1 times [2018-11-28 16:42:48,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:48,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:48,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:48,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:48,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:49,073 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 247 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:49,073 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:42:49,074 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 16:42:49,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:49,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:42:49,526 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 246 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-28 16:42:49,544 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:42:49,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2018-11-28 16:42:49,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 16:42:49,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 16:42:49,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-28 16:42:49,546 INFO L87 Difference]: Start difference. First operand 2612 states and 2951 transitions. Second operand 13 states. [2018-11-28 16:42:53,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:53,285 INFO L93 Difference]: Finished difference Result 4966 states and 5717 transitions. [2018-11-28 16:42:53,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-28 16:42:53,286 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 309 [2018-11-28 16:42:53,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:53,287 INFO L225 Difference]: With dead ends: 4966 [2018-11-28 16:42:53,287 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 16:42:53,306 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=261, Invalid=929, Unknown=0, NotChecked=0, Total=1190 [2018-11-28 16:42:53,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 16:42:53,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 16:42:53,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 16:42:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 16:42:53,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-11-28 16:42:53,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:53,311 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 16:42:53,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 16:42:53,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 16:42:53,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 16:42:53,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 16:42:53,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,934 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 165 [2018-11-28 16:42:53,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:53,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:54,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:54,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:54,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:54,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:54,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:54,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:54,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:54,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:54,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:54,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:54,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:54,269 WARN L180 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 165 [2018-11-28 16:42:54,715 WARN L180 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2018-11-28 16:42:55,588 WARN L180 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2018-11-28 16:43:00,693 WARN L180 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 169 DAG size of output: 92 [2018-11-28 16:43:02,883 WARN L180 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 162 DAG size of output: 76 [2018-11-28 16:43:04,143 WARN L180 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 162 DAG size of output: 76 [2018-11-28 16:43:04,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:43:04,147 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-28 16:43:04,147 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:43:04,147 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,147 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,147 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,147 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,147 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,147 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-28 16:43:04,147 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-28 16:43:04,147 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-28 16:43:04,148 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-28 16:43:04,148 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-28 16:43:04,148 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-28 16:43:04,148 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-28 16:43:04,148 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-28 16:43:04,148 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-28 16:43:04,148 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-28 16:43:04,148 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-28 16:43:04,148 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-28 16:43:04,148 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-28 16:43:04,148 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,148 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,149 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,149 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,149 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-28 16:43:04,149 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,149 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-28 16:43:04,149 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-28 16:43:04,149 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-28 16:43:04,149 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-28 16:43:04,149 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-28 16:43:04,149 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-28 16:43:04,149 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-28 16:43:04,150 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-28 16:43:04,150 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-28 16:43:04,150 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-28 16:43:04,150 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-28 16:43:04,150 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-28 16:43:04,150 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-28 16:43:04,150 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-28 16:43:04,150 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-28 16:43:04,150 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,150 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,150 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,151 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,151 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,151 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-28 16:43:04,151 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-28 16:43:04,151 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-28 16:43:04,151 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-28 16:43:04,151 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-28 16:43:04,151 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-28 16:43:04,151 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-28 16:43:04,151 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-28 16:43:04,151 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-28 16:43:04,152 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-28 16:43:04,152 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-28 16:43:04,152 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,152 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,152 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,152 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,152 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,152 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-28 16:43:04,152 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-28 16:43:04,152 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-28 16:43:04,152 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-28 16:43:04,152 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-28 16:43:04,153 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-28 16:43:04,153 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-28 16:43:04,153 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-28 16:43:04,153 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-28 16:43:04,153 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-28 16:43:04,153 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-28 16:43:04,153 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-28 16:43:04,153 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-28 16:43:04,153 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,153 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,153 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,153 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,154 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,154 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-28 16:43:04,154 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-28 16:43:04,154 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-28 16:43:04,154 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-28 16:43:04,154 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-28 16:43:04,154 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-28 16:43:04,154 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-28 16:43:04,154 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-28 16:43:04,154 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-28 16:43:04,154 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-28 16:43:04,154 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-28 16:43:04,155 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-28 16:43:04,155 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-28 16:43:04,155 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-28 16:43:04,155 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-28 16:43:04,155 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-28 16:43:04,155 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,155 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,155 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,155 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,155 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-28 16:43:04,155 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,156 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-28 16:43:04,156 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,156 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-28 16:43:04,156 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-28 16:43:04,156 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-28 16:43:04,156 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,156 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,156 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 592) no Hoare annotation was computed. [2018-11-28 16:43:04,156 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-28 16:43:04,156 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-28 16:43:04,156 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-28 16:43:04,157 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-28 16:43:04,157 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-28 16:43:04,157 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-28 16:43:04,157 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-28 16:43:04,157 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-28 16:43:04,157 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-28 16:43:04,157 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-28 16:43:04,157 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-28 16:43:04,157 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,157 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,157 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,157 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,159 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,159 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,159 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-28 16:43:04,159 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-28 16:43:04,159 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-28 16:43:04,159 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-28 16:43:04,159 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-28 16:43:04,159 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-28 16:43:04,159 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-28 16:43:04,160 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-28 16:43:04,160 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-28 16:43:04,160 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-28 16:43:04,160 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-28 16:43:04,160 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,160 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,160 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,160 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,160 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,160 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,160 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-28 16:43:04,161 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-28 16:43:04,161 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-28 16:43:04,161 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-28 16:43:04,161 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-28 16:43:04,161 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-28 16:43:04,161 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-28 16:43:04,161 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-28 16:43:04,161 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-28 16:43:04,161 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-28 16:43:04,161 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-28 16:43:04,161 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-28 16:43:04,162 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-28 16:43:04,162 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-28 16:43:04,162 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,162 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,162 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,163 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse28 (not (= ~a11~0 1))) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= ~a25~0 |old(~a25~0)|)) (.cse19 (= 1 |old(~a25~0)|)) (.cse21 (= 10 |old(~a28~0)|)) (.cse11 (= |old(~a28~0)| ~a28~0)) (.cse26 (= 7 ~a17~0)) (.cse27 (= |old(~a25~0)| ~a25~0)) (.cse15 (= 1 |old(~a19~0)|)) (.cse7 (= 1 |old(~a11~0)|))) (let ((.cse3 (not (= 8 |old(~a17~0)|))) (.cse5 (= 9 |old(~a28~0)|)) (.cse16 (not (= 7 |old(~a28~0)|))) (.cse6 (not .cse7)) (.cse17 (= 7 ~a28~0)) (.cse4 (= 1 ~a11~0)) (.cse18 (= 1 ~a19~0)) (.cse2 (not .cse15)) (.cse22 (= 11 |old(~a28~0)|)) (.cse20 (and .cse11 (= |old(~a19~0)| ~a19~0) .cse26 .cse27)) (.cse8 (= |old(~a17~0)| |old(~a28~0)|)) (.cse23 (not (= 7 |old(~a17~0)|))) (.cse0 (not (= 1 ~a21~0))) (.cse24 (not .cse21)) (.cse1 (not .cse19)) (.cse9 (not (= |old(~a17~0)| 8))) (.cse25 (< 0 |old(~a19~0)|)) (.cse10 (and .cse28 .cse11 .cse12 .cse13 .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse5) .cse6) (or .cse0 .cse7 .cse2 .cse8 .cse5 .cse9 .cse10) (or (< 10 |old(~a28~0)|) (and (and .cse11 .cse12 .cse13) .cse14) (or (or .cse0 .cse8 .cse9) .cse1 .cse2)) (or .cse15 .cse0 .cse16 .cse3 (and .cse17 (not (= ~a25~0 1)) .cse4 (= 8 ~a17~0) (not .cse18)) .cse6 .cse19) (or .cse8 .cse20 (or .cse15 .cse0 .cse21 .cse22) .cse23) (or .cse0 .cse7 .cse10 .cse2 .cse21 .cse8 .cse5 .cse22 .cse19) (or .cse4 .cse0 .cse24 .cse1 .cse2 .cse3 .cse6) (or .cse10 (or .cse0 .cse7 .cse21 .cse5 .cse25 .cse22) .cse9) (or .cse0 .cse16 .cse1 .cse2 .cse6 (and .cse17 .cse4 .cse26 .cse18 .cse27) .cse23) (or (or .cse0 .cse7 .cse1 .cse2 .cse9) (and (and .cse28 .cse11 .cse12 .cse13) .cse14)) (or (or .cse0 (not (= |old(~a19~0)| 1)) .cse21 .cse8 .cse9 .cse22 .cse19) (and .cse11 .cse12 .cse13 .cse14)) (or .cse20 .cse8 (or .cse0 .cse25 .cse19) .cse23) (or .cse0 .cse7 .cse24 .cse1 .cse9 .cse25 .cse10)))) [2018-11-28 16:43:04,163 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,163 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,163 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,163 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-28 16:43:04,163 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-28 16:43:04,163 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-28 16:43:04,163 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-28 16:43:04,163 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-28 16:43:04,164 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-28 16:43:04,164 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-28 16:43:04,164 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-28 16:43:04,164 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-28 16:43:04,164 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-28 16:43:04,164 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-28 16:43:04,164 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-28 16:43:04,164 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-28 16:43:04,164 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,164 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,164 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,165 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,165 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,165 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,165 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-28 16:43:04,165 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-28 16:43:04,165 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-28 16:43:04,165 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-28 16:43:04,165 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-28 16:43:04,165 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-28 16:43:04,165 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-28 16:43:04,166 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-28 16:43:04,166 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-28 16:43:04,166 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-28 16:43:04,166 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-28 16:43:04,166 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-28 16:43:04,166 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-28 16:43:04,166 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-28 16:43:04,166 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-28 16:43:04,166 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-28 16:43:04,166 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,166 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,167 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,167 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,167 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:04,167 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-28 16:43:04,167 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-28 16:43:04,167 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-28 16:43:04,167 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-28 16:43:04,167 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-28 16:43:04,167 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-28 16:43:04,167 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-28 16:43:04,167 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-28 16:43:04,167 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-28 16:43:04,168 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-28 16:43:04,168 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-28 16:43:04,168 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-28 16:43:04,168 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-28 16:43:04,168 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-28 16:43:04,168 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-28 16:43:04,168 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-28 16:43:04,168 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-28 16:43:04,168 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-28 16:43:04,168 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-28 16:43:04,168 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:43:04,169 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (not (= 11 ~a28~0)) (not (= ~a25~0 1)) (= ~a19~0 1) (= ~a21~0 1) (not (= ~a11~0 1)) (not (= ~a28~0 9)) (not (= ~a28~0 10))) [2018-11-28 16:43:04,169 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 16:43:04,169 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:43:04,169 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (= 1 |old(~a11~0)|) (and (not (= ~a11~0 1)) (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (= 10 |old(~a28~0)|) (= |old(~a17~0)| |old(~a28~0)|) (= 9 |old(~a28~0)|) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|)) [2018-11-28 16:43:04,169 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse17 (= ~a25~0 1))) (let ((.cse0 (= 7 ~a28~0)) (.cse13 (not .cse17)) (.cse1 (= 1 ~a11~0)) (.cse5 (= 8 ~a17~0)) (.cse4 (= 1 ~a19~0)) (.cse7 (<= ~a19~0 0)) (.cse3 (= 1 ~a25~0)) (.cse16 (= 10 ~a28~0)) (.cse12 (not (= ~a28~0 ~a17~0))) (.cse8 (not (= 11 ~a28~0))) (.cse2 (= 7 ~a17~0)) (.cse11 (not (= ~a28~0 10))) (.cse6 (= |old(~a17~0)| 8)) (.cse9 (= |old(~a17~0)| ~a17~0)) (.cse14 (= ~a19~0 1)) (.cse10 (not (= ~a11~0 1)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (= 10 |old(~a28~0)|) (and .cse1 .cse3 (= 9 ~a28~0) .cse5 .cse4) (and .cse6 .cse7 .cse8 .cse9 .cse10 (not (= ~a28~0 9)) .cse11) (= 9 |old(~a28~0)|) (and .cse6 .cse12 .cse7 .cse13 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse9 (<= ~a28~0 10) .cse11 .cse6 .cse12 .cse14) (let ((.cse15 (= |old(~a19~0)| ~a19~0))) (or (and .cse6 .cse15 .cse12 .cse9 .cse10) (and .cse6 .cse15 .cse12 .cse8 .cse13 .cse9 .cse11))) (and .cse1 .cse3 .cse5 .cse4 .cse16) (and .cse0 .cse13 .cse1 .cse5 (not .cse4)) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (= |old(~a17~0)| |old(~a28~0)|) (and .cse6 .cse7 .cse9 .cse3 .cse16 .cse10) (and .cse10 (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse6 (not .cse14) .cse12 .cse8 .cse2 .cse11) (and (and .cse6 .cse9 .cse14 .cse10) .cse17)))) [2018-11-28 16:43:04,169 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-28 16:43:04,169 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-28 16:43:04,170 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse17 (= ~a25~0 1))) (let ((.cse0 (= 7 ~a28~0)) (.cse13 (not .cse17)) (.cse1 (= 1 ~a11~0)) (.cse5 (= 8 ~a17~0)) (.cse4 (= 1 ~a19~0)) (.cse7 (<= ~a19~0 0)) (.cse3 (= 1 ~a25~0)) (.cse16 (= 10 ~a28~0)) (.cse12 (not (= ~a28~0 ~a17~0))) (.cse8 (not (= 11 ~a28~0))) (.cse2 (= 7 ~a17~0)) (.cse11 (not (= ~a28~0 10))) (.cse6 (= |old(~a17~0)| 8)) (.cse9 (= |old(~a17~0)| ~a17~0)) (.cse14 (= ~a19~0 1)) (.cse10 (not (= ~a11~0 1)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (= 10 |old(~a28~0)|) (and .cse1 .cse3 (= 9 ~a28~0) .cse5 .cse4) (and .cse6 .cse7 .cse8 .cse9 .cse10 (not (= ~a28~0 9)) .cse11) (= 9 |old(~a28~0)|) (and .cse6 .cse12 .cse7 .cse13 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse9 (<= ~a28~0 10) .cse11 .cse6 .cse12 .cse14) (let ((.cse15 (= |old(~a19~0)| ~a19~0))) (or (and .cse6 .cse15 .cse12 .cse9 .cse10) (and .cse6 .cse15 .cse12 .cse8 .cse13 .cse9 .cse11))) (and .cse1 .cse3 .cse5 .cse4 .cse16) (and .cse0 .cse13 .cse1 .cse5 (not .cse4)) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (= |old(~a17~0)| |old(~a28~0)|) (and .cse6 .cse7 .cse9 .cse3 .cse16 .cse10) (and .cse10 (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse6 (not .cse14) .cse12 .cse8 .cse2 .cse11) (and (and .cse6 .cse9 .cse14 .cse10) .cse17)))) [2018-11-28 16:43:04,170 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-28 16:43:04,170 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-28 16:43:04,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:43:04 BoogieIcfgContainer [2018-11-28 16:43:04,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:43:04,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:43:04,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:43:04,194 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:43:04,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:17" (3/4) ... [2018-11-28 16:43:04,199 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 16:43:04,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 16:43:04,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 16:43:04,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 16:43:04,223 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 16:43:04,224 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 16:43:04,257 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(1 == a21) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || 10 == \old(a28)) || ((((1 == a11 && 1 == a25) && 9 == a28) && 8 == a17) && 1 == a19)) || ((((((\old(a17) == 8 && a19 <= 0) && !(11 == a28)) && \old(a17) == a17) && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 10))) || 9 == \old(a28)) || ((((\old(a17) == 8 && !(a28 == a17)) && a19 <= 0) && !(a25 == 1)) && 7 == a17)) || !(1 == \old(a19))) || (((((\old(a17) == a17 && a28 <= 10) && !(a28 == 10)) && \old(a17) == 8) && !(a28 == a17)) && a19 == 1)) || ((((\old(a17) == 8 && \old(a19) == a19) && !(a28 == a17)) && \old(a17) == a17) && !(a11 == 1)) || ((((((\old(a17) == 8 && \old(a19) == a19) && !(a28 == a17)) && !(11 == a28)) && !(a25 == 1)) && \old(a17) == a17) && !(a28 == 10))) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || ((((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17) && !(1 == a19))) || 11 == \old(a28)) || 1 == \old(a25)) || 1 == \old(a11)) || \old(a17) == \old(a28)) || (((((\old(a17) == 8 && a19 <= 0) && \old(a17) == a17) && 1 == a25) && 10 == a28) && !(a11 == 1))) || ((((!(a11 == 1) && \old(a28) == a28) && a17 == \old(a17)) && a19 == \old(a19)) && a25 == \old(a25))) || (((((\old(a17) == 8 && !(a19 == 1)) && !(a28 == a17)) && !(11 == a28)) && 7 == a17) && !(a28 == 10))) || ((((\old(a17) == 8 && \old(a17) == a17) && a19 == 1) && !(a11 == 1)) && a25 == 1) [2018-11-28 16:43:04,422 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:43:04,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:43:04,424 INFO L168 Benchmark]: Toolchain (without parser) took 51584.50 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 557.8 MB). Free memory was 948.7 MB in the beginning and 878.8 MB in the end (delta: 69.9 MB). Peak memory consumption was 627.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:43:04,425 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:43:04,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.69 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 915.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-11-28 16:43:04,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -213.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-11-28 16:43:04,426 INFO L168 Benchmark]: Boogie Preprocessor took 111.79 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 16:43:04,426 INFO L168 Benchmark]: RCFGBuilder took 3205.32 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: 98.0 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. [2018-11-28 16:43:04,426 INFO L168 Benchmark]: TraceAbstraction took 47136.86 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 416.3 MB). Free memory was 1.0 GB in the beginning and 908.1 MB in the end (delta: 115.7 MB). Peak memory consumption was 628.2 MB. Max. memory is 11.5 GB. [2018-11-28 16:43:04,429 INFO L168 Benchmark]: Witness Printer took 228.43 ms. Allocated memory is still 1.6 GB. Free memory was 908.1 MB in the beginning and 878.8 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2018-11-28 16:43:04,432 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 777.69 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 915.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -213.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.79 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 3205.32 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: 98.0 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 47136.86 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 416.3 MB). Free memory was 1.0 GB in the beginning and 908.1 MB in the end (delta: 115.7 MB). Peak memory consumption was 628.2 MB. Max. memory is 11.5 GB. * Witness Printer took 228.43 ms. Allocated memory is still 1.6 GB. Free memory was 908.1 MB in the beginning and 878.8 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 592]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(1 == a21) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || 10 == \old(a28)) || ((((1 == a11 && 1 == a25) && 9 == a28) && 8 == a17) && 1 == a19)) || ((((((\old(a17) == 8 && a19 <= 0) && !(11 == a28)) && \old(a17) == a17) && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 10))) || 9 == \old(a28)) || ((((\old(a17) == 8 && !(a28 == a17)) && a19 <= 0) && !(a25 == 1)) && 7 == a17)) || !(1 == \old(a19))) || (((((\old(a17) == a17 && a28 <= 10) && !(a28 == 10)) && \old(a17) == 8) && !(a28 == a17)) && a19 == 1)) || ((((\old(a17) == 8 && \old(a19) == a19) && !(a28 == a17)) && \old(a17) == a17) && !(a11 == 1)) || ((((((\old(a17) == 8 && \old(a19) == a19) && !(a28 == a17)) && !(11 == a28)) && !(a25 == 1)) && \old(a17) == a17) && !(a28 == 10))) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || ((((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17) && !(1 == a19))) || 11 == \old(a28)) || 1 == \old(a25)) || 1 == \old(a11)) || \old(a17) == \old(a28)) || (((((\old(a17) == 8 && a19 <= 0) && \old(a17) == a17) && 1 == a25) && 10 == a28) && !(a11 == 1))) || ((((!(a11 == 1) && \old(a28) == a28) && a17 == \old(a17)) && a19 == \old(a19)) && a25 == \old(a25))) || (((((\old(a17) == 8 && !(a19 == 1)) && !(a28 == a17)) && !(11 == a28)) && 7 == a17) && !(a28 == 10))) || ((((\old(a17) == 8 && \old(a17) == a17) && a19 == 1) && !(a11 == 1)) && a25 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 47.0s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 27.0s AutomataDifference, 0.0s DeadEndRemovalTime, 10.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 726 SDtfs, 8967 SDslu, 1039 SDs, 0 SdLazy, 15096 SolverSat, 1969 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1230 GetRequests, 1081 SyntacticMatches, 10 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4069occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 1867 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 269 PreInvPairs, 391 NumberOfFragments, 1143 HoareAnnotationTreeSize, 269 FomulaSimplifications, 16195 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9944 FormulaSimplificationTreeSizeReductionInter, 9.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 3358 NumberOfCodeBlocks, 3358 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3342 ConstructedInterpolants, 0 QuantifiedInterpolants, 2944885 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2158 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 1311/1401 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...