./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i -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 ec7b34841527490886cd362d78588ff0f0e72200 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 ec7b34841527490886cd362d78588ff0f0e72200 ................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6 --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 04:25:23,966 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:25:23,969 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:25:23,984 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:25:23,984 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:25:23,985 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:25:23,987 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:25:23,989 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:25:23,991 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:25:23,992 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:25:23,993 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:25:23,994 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:25:23,995 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:25:23,996 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:25:23,997 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:25:23,998 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:25:23,999 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:25:24,002 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:25:24,004 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:25:24,006 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:25:24,007 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:25:24,009 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:25:24,012 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:25:24,012 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:25:24,012 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:25:24,013 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:25:24,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:25:24,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:25:24,017 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:25:24,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:25:24,018 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:25:24,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:25:24,019 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:25:24,020 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:25:24,021 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:25:24,022 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:25:24,023 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 04:25:24,038 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:25:24,039 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:25:24,040 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:25:24,040 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:25:24,041 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:25:24,041 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:25:24,041 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:25:24,041 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 04:25:24,041 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:25:24,041 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:25:24,043 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:25:24,043 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:25:24,043 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:25:24,043 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:25:24,043 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:25:24,044 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:25:24,044 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:25:24,045 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:25:24,045 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:25:24,045 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:25:24,045 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:25:24,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:25:24,046 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:25:24,047 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:25:24,047 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:25:24,047 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 04:25:24,047 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:25:24,047 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 04:25:24,047 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 -> ec7b34841527490886cd362d78588ff0f0e72200 [2018-12-31 04:25:24,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:25:24,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:25:24,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:25:24,113 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:25:24,113 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:25:24,114 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-12-31 04:25:24,174 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ecf958af/e8e03bd558ee44c49de24f3de056ed46/FLAG5f4483822 [2018-12-31 04:25:24,660 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:25:24,661 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-12-31 04:25:24,676 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ecf958af/e8e03bd558ee44c49de24f3de056ed46/FLAG5f4483822 [2018-12-31 04:25:24,980 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ecf958af/e8e03bd558ee44c49de24f3de056ed46 [2018-12-31 04:25:24,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:25:24,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:25:24,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:25:24,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:25:24,991 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:25:24,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:25:24" (1/1) ... [2018-12-31 04:25:24,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e433a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:24, skipping insertion in model container [2018-12-31 04:25:24,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:25:24" (1/1) ... [2018-12-31 04:25:25,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:25:25,071 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:25:25,458 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:25:25,479 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:25:25,659 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:25:25,731 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:25:25,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:25 WrapperNode [2018-12-31 04:25:25,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:25:25,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:25:25,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:25:25,734 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:25:25,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:25" (1/1) ... [2018-12-31 04:25:25,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:25" (1/1) ... [2018-12-31 04:25:25,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:25:25,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:25:25,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:25:25,809 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:25:25,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:25" (1/1) ... [2018-12-31 04:25:25,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:25" (1/1) ... [2018-12-31 04:25:25,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:25" (1/1) ... [2018-12-31 04:25:25,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:25" (1/1) ... [2018-12-31 04:25:25,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:25" (1/1) ... [2018-12-31 04:25:25,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:25" (1/1) ... [2018-12-31 04:25:25,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:25" (1/1) ... [2018-12-31 04:25:25,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:25:25,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:25:25,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:25:25,852 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:25:25,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:25" (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 [2018-12-31 04:25:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 04:25:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 04:25:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2018-12-31 04:25:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-31 04:25:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-31 04:25:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:25:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:25:25,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:25:26,748 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:25:26,749 INFO L280 CfgBuilder]: Removed 19 assue(true) statements. [2018-12-31 04:25:26,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:25:26 BoogieIcfgContainer [2018-12-31 04:25:26,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:25:26,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:25:26,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:25:26,755 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:25:26,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:25:24" (1/3) ... [2018-12-31 04:25:26,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6c044d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:25:26, skipping insertion in model container [2018-12-31 04:25:26,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:25:25" (2/3) ... [2018-12-31 04:25:26,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6c044d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:25:26, skipping insertion in model container [2018-12-31 04:25:26,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:25:26" (3/3) ... [2018-12-31 04:25:26,760 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-12-31 04:25:26,771 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:25:26,779 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-12-31 04:25:26,799 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-12-31 04:25:26,835 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:25:26,836 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:25:26,836 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:25:26,836 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:25:26,837 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:25:26,837 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:25:26,837 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:25:26,837 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:25:26,837 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:25:26,856 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-12-31 04:25:26,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-31 04:25:26,864 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:25:26,865 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:25:26,868 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:25:26,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:25:26,877 INFO L82 PathProgramCache]: Analyzing trace with hash 179510098, now seen corresponding path program 1 times [2018-12-31 04:25:26,880 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:25:26,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:25:26,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:26,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:25:26,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:25:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:25:27,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:25:27,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 04:25:27,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 04:25:27,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 04:25:27,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 04:25:27,188 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 4 states. [2018-12-31 04:25:27,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:25:27,567 INFO L93 Difference]: Finished difference Result 112 states and 188 transitions. [2018-12-31 04:25:27,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 04:25:27,569 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-12-31 04:25:27,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:25:27,579 INFO L225 Difference]: With dead ends: 112 [2018-12-31 04:25:27,580 INFO L226 Difference]: Without dead ends: 66 [2018-12-31 04:25:27,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 04:25:27,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-31 04:25:27,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 41. [2018-12-31 04:25:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-31 04:25:27,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2018-12-31 04:25:27,628 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 8 [2018-12-31 04:25:27,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:25:27,629 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2018-12-31 04:25:27,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 04:25:27,629 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-12-31 04:25:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-31 04:25:27,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:25:27,630 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:25:27,631 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:25:27,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:25:27,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1306111283, now seen corresponding path program 1 times [2018-12-31 04:25:27,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:25:27,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:25:27,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:27,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:25:27,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:25:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:25:27,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:25:27,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 04:25:27,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 04:25:27,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 04:25:27,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 04:25:27,809 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 3 states. [2018-12-31 04:25:28,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:25:28,008 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2018-12-31 04:25:28,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 04:25:28,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-12-31 04:25:28,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:25:28,010 INFO L225 Difference]: With dead ends: 45 [2018-12-31 04:25:28,011 INFO L226 Difference]: Without dead ends: 43 [2018-12-31 04:25:28,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 04:25:28,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-31 04:25:28,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2018-12-31 04:25:28,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-31 04:25:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2018-12-31 04:25:28,026 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 9 [2018-12-31 04:25:28,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:25:28,027 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2018-12-31 04:25:28,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 04:25:28,027 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2018-12-31 04:25:28,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 04:25:28,028 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:25:28,028 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:25:28,028 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:25:28,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:25:28,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1834780084, now seen corresponding path program 1 times [2018-12-31 04:25:28,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:25:28,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:25:28,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:28,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:25:28,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:25:28,612 WARN L181 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 16 [2018-12-31 04:25:28,816 WARN L181 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 16 [2018-12-31 04:25:28,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:25:28,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:25:28,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 04:25:28,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 04:25:28,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 04:25:28,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 04:25:28,860 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand 5 states. [2018-12-31 04:25:29,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:25:29,451 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2018-12-31 04:25:29,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 04:25:29,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-12-31 04:25:29,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:25:29,456 INFO L225 Difference]: With dead ends: 61 [2018-12-31 04:25:29,456 INFO L226 Difference]: Without dead ends: 50 [2018-12-31 04:25:29,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 04:25:29,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-31 04:25:29,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 44. [2018-12-31 04:25:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-31 04:25:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2018-12-31 04:25:29,466 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 10 [2018-12-31 04:25:29,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:25:29,466 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2018-12-31 04:25:29,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 04:25:29,467 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-12-31 04:25:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 04:25:29,468 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:25:29,468 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:25:29,468 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:25:29,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:25:29,469 INFO L82 PathProgramCache]: Analyzing trace with hash 710639734, now seen corresponding path program 1 times [2018-12-31 04:25:29,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:25:29,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:25:29,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:29,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:25:29,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:25:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:25:29,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:25:29,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 04:25:29,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 04:25:29,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 04:25:29,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 04:25:29,539 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 3 states. [2018-12-31 04:25:29,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:25:29,656 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2018-12-31 04:25:29,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 04:25:29,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-31 04:25:29,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:25:29,658 INFO L225 Difference]: With dead ends: 45 [2018-12-31 04:25:29,658 INFO L226 Difference]: Without dead ends: 43 [2018-12-31 04:25:29,658 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 04:25:29,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-31 04:25:29,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2018-12-31 04:25:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-31 04:25:29,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2018-12-31 04:25:29,667 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 10 [2018-12-31 04:25:29,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:25:29,668 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2018-12-31 04:25:29,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 04:25:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2018-12-31 04:25:29,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-31 04:25:29,669 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:25:29,669 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:25:29,670 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:25:29,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:25:29,670 INFO L82 PathProgramCache]: Analyzing trace with hash 625501225, now seen corresponding path program 1 times [2018-12-31 04:25:29,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:25:29,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:25:29,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:29,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:25:29,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:25:30,143 WARN L181 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2018-12-31 04:25:30,265 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2018-12-31 04:25:30,434 WARN L181 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-12-31 04:25:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:25:30,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 04:25:30,700 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 [2018-12-31 04:25:30,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:25:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:25:30,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:25:31,813 WARN L181 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2018-12-31 04:25:31,840 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:31,847 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-12-31 04:25:31,904 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:31,912 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:31,913 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-12-31 04:25:31,914 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:31,971 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:32,342 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 33 [2018-12-31 04:25:32,357 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-31 04:25:32,374 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:32,388 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:25:32,389 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:32,453 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:32,553 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 33 [2018-12-31 04:25:32,566 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-12-31 04:25:32,566 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:32,600 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:32,632 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:32,815 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:32,857 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 67 [2018-12-31 04:25:32,867 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-12-31 04:25:32,884 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2018-12-31 04:25:32,884 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:32,947 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,054 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:33,092 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 63 [2018-12-31 04:25:33,099 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-12-31 04:25:33,099 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,152 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,183 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,286 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:33,316 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:33,350 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 62 [2018-12-31 04:25:33,367 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-12-31 04:25:33,381 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2018-12-31 04:25:33,382 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,395 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,443 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,525 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:33,540 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 37 [2018-12-31 04:25:33,548 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-31 04:25:33,563 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:33,564 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:25:33,565 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,578 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,600 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:33,611 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 48 [2018-12-31 04:25:33,616 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-12-31 04:25:33,617 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,629 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,637 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,714 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:33,733 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 63 [2018-12-31 04:25:33,738 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-12-31 04:25:33,747 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 23 [2018-12-31 04:25:33,748 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,768 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,813 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:33,829 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 90 [2018-12-31 04:25:33,841 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-12-31 04:25:33,841 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,904 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,916 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,958 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:33,971 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 74 [2018-12-31 04:25:33,983 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-12-31 04:25:33,987 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 23 [2018-12-31 04:25:33,988 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:33,997 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:34,201 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:34,239 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:34,240 INFO L202 ElimStorePlain]: Needed 29 recursive calls to eliminate 9 variables, input treesize:207, output treesize:150 [2018-12-31 04:25:34,387 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:34,394 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:34,396 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:34,397 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 04:25:34,398 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 132 [2018-12-31 04:25:34,435 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:34,439 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:34,449 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 146 treesize of output 182 [2018-12-31 04:25:34,452 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:34,494 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:34,544 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:34,551 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 04:25:34,555 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 111 [2018-12-31 04:25:34,569 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:34,570 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2018-12-31 04:25:34,571 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:34,610 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:34,657 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:34,658 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:176, output treesize:166 [2018-12-31 04:25:34,928 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:34,939 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:34,941 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:34,944 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 127 [2018-12-31 04:25:34,986 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:35,002 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 04:25:35,069 INFO L303 Elim1Store]: Index analysis took 120 ms [2018-12-31 04:25:35,077 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 55 [2018-12-31 04:25:35,082 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-12-31 04:25:35,416 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 77 [2018-12-31 04:25:35,420 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-12-31 04:25:35,428 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 61 [2018-12-31 04:25:35,430 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:35,549 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-12-31 04:25:35,549 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:35,634 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2018-12-31 04:25:35,817 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 59 [2018-12-31 04:25:35,836 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 04:25:35,837 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-12-31 04:25:35,838 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:35,859 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-12-31 04:25:35,859 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:35,920 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:35,954 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 63 [2018-12-31 04:25:35,964 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 04:25:35,965 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-12-31 04:25:35,966 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:35,986 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-12-31 04:25:35,987 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:35,997 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:36,004 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 67 [2018-12-31 04:25:36,012 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 5 [2018-12-31 04:25:36,013 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:36,033 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-12-31 04:25:36,033 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:36,045 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:36,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:36,086 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 3 variables, input treesize:185, output treesize:7 [2018-12-31 04:25:36,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:25:36,140 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 04:25:36,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2018-12-31 04:25:36,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-31 04:25:36,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-31 04:25:36,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-12-31 04:25:36,141 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand 12 states. [2018-12-31 04:25:36,441 WARN L181 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2018-12-31 04:25:36,597 WARN L181 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 57 [2018-12-31 04:25:36,840 WARN L181 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-12-31 04:25:37,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:25:37,432 INFO L93 Difference]: Finished difference Result 74 states and 89 transitions. [2018-12-31 04:25:37,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-31 04:25:37,434 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2018-12-31 04:25:37,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:25:37,436 INFO L225 Difference]: With dead ends: 74 [2018-12-31 04:25:37,436 INFO L226 Difference]: Without dead ends: 63 [2018-12-31 04:25:37,436 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2018-12-31 04:25:37,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-31 04:25:37,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2018-12-31 04:25:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-31 04:25:37,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 66 transitions. [2018-12-31 04:25:37,446 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 66 transitions. Word has length 15 [2018-12-31 04:25:37,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:25:37,446 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 66 transitions. [2018-12-31 04:25:37,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-31 04:25:37,447 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2018-12-31 04:25:37,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 04:25:37,447 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:25:37,448 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:25:37,448 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:25:37,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:25:37,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1157082046, now seen corresponding path program 1 times [2018-12-31 04:25:37,448 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:25:37,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:25:37,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:37,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:25:37,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:25:37,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:25:37,620 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 04:25:37,620 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 [2018-12-31 04:25:37,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:25:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:25:37,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:25:38,001 WARN L181 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2018-12-31 04:25:38,008 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:38,009 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-12-31 04:25:38,047 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:38,052 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:38,054 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 42 [2018-12-31 04:25:38,064 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-12-31 04:25:38,065 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,121 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,164 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,286 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-12-31 04:25:38,291 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-31 04:25:38,298 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:38,300 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:25:38,300 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,315 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,359 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-12-31 04:25:38,364 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-12-31 04:25:38,364 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,380 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,390 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,460 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 61 [2018-12-31 04:25:38,472 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-31 04:25:38,478 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:38,483 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:25:38,483 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,495 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,541 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 61 [2018-12-31 04:25:38,546 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-12-31 04:25:38,547 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,567 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,580 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,672 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 58 [2018-12-31 04:25:38,676 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-31 04:25:38,681 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:38,682 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:25:38,683 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,692 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,714 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,760 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:38,761 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 8 variables, input treesize:142, output treesize:126 [2018-12-31 04:25:38,800 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:38,802 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:38,804 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:38,806 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:38,807 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-12-31 04:25:38,807 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,864 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 113 [2018-12-31 04:25:38,873 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-31 04:25:38,873 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,904 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:38,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:38,938 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:142, output treesize:130 [2018-12-31 04:25:38,999 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 126 [2018-12-31 04:25:39,011 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:39,013 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-12-31 04:25:39,014 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:39,049 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:39,103 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:39,103 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:149, output treesize:130 [2018-12-31 04:25:39,353 INFO L303 Elim1Store]: Index analysis took 158 ms [2018-12-31 04:25:39,354 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 84 [2018-12-31 04:25:39,364 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:39,367 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2018-12-31 04:25:39,367 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:39,402 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:39,403 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-12-31 04:25:39,403 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:39,417 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-31 04:25:39,417 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:39,428 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2018-12-31 04:25:39,429 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:39,435 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:39,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:39,444 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:137, output treesize:4 [2018-12-31 04:25:39,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:25:39,468 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 04:25:39,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2018-12-31 04:25:39,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-31 04:25:39,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-31 04:25:39,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-31 04:25:39,469 INFO L87 Difference]: Start difference. First operand 57 states and 66 transitions. Second operand 10 states. [2018-12-31 04:25:41,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:25:41,181 INFO L93 Difference]: Finished difference Result 165 states and 204 transitions. [2018-12-31 04:25:41,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-31 04:25:41,183 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2018-12-31 04:25:41,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:25:41,185 INFO L225 Difference]: With dead ends: 165 [2018-12-31 04:25:41,186 INFO L226 Difference]: Without dead ends: 163 [2018-12-31 04:25:41,186 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2018-12-31 04:25:41,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-12-31 04:25:41,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 81. [2018-12-31 04:25:41,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-31 04:25:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 98 transitions. [2018-12-31 04:25:41,200 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 98 transitions. Word has length 16 [2018-12-31 04:25:41,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:25:41,200 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 98 transitions. [2018-12-31 04:25:41,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-31 04:25:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2018-12-31 04:25:41,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 04:25:41,201 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:25:41,201 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:25:41,202 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:25:41,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:25:41,202 INFO L82 PathProgramCache]: Analyzing trace with hash 442135079, now seen corresponding path program 2 times [2018-12-31 04:25:41,202 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:25:41,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:25:41,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:41,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:25:41,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:25:41,471 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 21 [2018-12-31 04:25:41,602 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 41 [2018-12-31 04:25:41,914 WARN L181 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2018-12-31 04:25:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:25:42,331 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 04:25:42,331 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 [2018-12-31 04:25:42,341 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-31 04:25:42,419 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-31 04:25:42,420 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-31 04:25:42,423 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:25:42,610 WARN L181 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-12-31 04:25:42,618 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:42,619 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-12-31 04:25:42,659 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:42,681 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:42,682 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-12-31 04:25:42,682 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:42,727 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:42,866 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2018-12-31 04:25:42,877 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2018-12-31 04:25:42,885 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:42,892 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-12-31 04:25:42,893 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:42,908 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:42,914 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:43,002 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:43,011 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:43,091 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:43,097 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:43,157 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:43,168 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:43,242 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 76 [2018-12-31 04:25:43,325 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:43,331 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:25:43,332 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:43,395 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 71 [2018-12-31 04:25:43,399 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-12-31 04:25:43,409 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:43,412 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-12-31 04:25:43,418 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:43,424 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:43,425 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:43,431 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-12-31 04:25:43,432 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:43,448 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:43,459 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:43,524 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 75 [2018-12-31 04:25:43,549 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2018-12-31 04:25:43,567 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:43,570 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-12-31 04:25:43,570 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:43,576 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:43,596 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:43,614 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:43,631 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:43,673 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 73 [2018-12-31 04:25:43,678 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:43,680 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-12-31 04:25:43,680 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:43,701 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:43,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-31 04:25:43,726 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 11 variables, input treesize:140, output treesize:43 [2018-12-31 04:25:43,822 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 43 treesize of output 97 [2018-12-31 04:25:43,823 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-31 04:25:43,855 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:43,858 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 57 [2018-12-31 04:25:43,858 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:44,677 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 37 [2018-12-31 04:25:44,679 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-31 04:25:44,820 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2018-12-31 04:25:44,820 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:44,924 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 37 [2018-12-31 04:25:44,925 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-12-31 04:25:45,049 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-31 04:25:45,111 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 3 xjuncts. [2018-12-31 04:25:45,112 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:61, output treesize:121 [2018-12-31 04:25:45,210 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 55 [2018-12-31 04:25:45,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-12-31 04:25:45,236 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:45,475 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:45,852 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 59 treesize of output 101 [2018-12-31 04:25:45,853 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-31 04:25:45,881 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:45,882 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 74 [2018-12-31 04:25:45,882 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:47,174 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2018-12-31 04:25:47,175 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:47,805 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:47,816 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 66 [2018-12-31 04:25:47,817 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-31 04:25:47,996 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:48,005 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 66 [2018-12-31 04:25:48,007 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-12-31 04:25:48,256 INFO L267 ElimStorePlain]: Start of recursive call 4: 8 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-31 04:25:48,400 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2018-12-31 04:25:48,403 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-12-31 04:25:48,403 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:48,421 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:48,545 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 3 dim-2 vars, End of recursive call: 12 dim-0 vars, and 5 xjuncts. [2018-12-31 04:25:48,545 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 11 variables, input treesize:160, output treesize:240 [2018-12-31 04:25:48,748 WARN L181 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2018-12-31 04:25:48,969 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2018-12-31 04:25:48,972 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-12-31 04:25:48,972 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:48,993 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-12-31 04:25:48,994 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:49,007 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-12-31 04:25:49,008 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:49,017 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:49,172 INFO L303 Elim1Store]: Index analysis took 105 ms [2018-12-31 04:25:49,186 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 71 [2018-12-31 04:25:49,192 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2018-12-31 04:25:49,193 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:49,408 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:49,409 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:49,411 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 51 [2018-12-31 04:25:49,411 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:49,660 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:49,662 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:49,663 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:49,664 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2018-12-31 04:25:49,664 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:49,861 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 40 [2018-12-31 04:25:49,862 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:50,116 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2018-12-31 04:25:50,117 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:50,350 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2018-12-31 04:25:50,351 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:50,550 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2018-12-31 04:25:50,551 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:50,778 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2018-12-31 04:25:50,779 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:51,068 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2018-12-31 04:25:51,069 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:51,232 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-12-31 04:25:51,233 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:51,397 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:51,398 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:51,400 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:51,401 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:51,403 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:51,404 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:51,406 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 58 [2018-12-31 04:25:51,406 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:51,572 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2018-12-31 04:25:51,572 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:51,726 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 31 [2018-12-31 04:25:51,726 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:51,887 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2018-12-31 04:25:51,887 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:52,043 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2018-12-31 04:25:52,044 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:52,196 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 27 [2018-12-31 04:25:52,197 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:52,395 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:52,397 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:25:52,398 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-12-31 04:25:52,399 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:52,550 INFO L267 ElimStorePlain]: Start of recursive call 6: 20 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-31 04:25:52,640 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2018-12-31 04:25:52,645 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-12-31 04:25:52,645 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:52,660 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-12-31 04:25:52,660 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:52,674 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-12-31 04:25:52,674 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-12-31 04:25:52,684 INFO L267 ElimStorePlain]: Start of recursive call 24: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:25:52,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-31 04:25:52,753 INFO L202 ElimStorePlain]: Needed 27 recursive calls to eliminate 17 variables, input treesize:160, output treesize:15 [2018-12-31 04:25:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-31 04:25:52,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-31 04:25:52,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2018-12-31 04:25:52,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-31 04:25:52,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-31 04:25:52,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-12-31 04:25:52,806 INFO L87 Difference]: Start difference. First operand 81 states and 98 transitions. Second operand 17 states. [2018-12-31 04:25:53,629 WARN L181 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2018-12-31 04:25:53,852 WARN L181 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 90 [2018-12-31 04:25:54,314 WARN L181 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 97 [2018-12-31 04:25:54,997 WARN L181 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 108 [2018-12-31 04:25:55,490 WARN L181 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2018-12-31 04:25:55,855 WARN L181 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 110 [2018-12-31 04:25:56,051 WARN L181 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2018-12-31 04:25:56,527 WARN L181 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 114 [2018-12-31 04:25:57,011 WARN L181 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2018-12-31 04:25:57,563 WARN L181 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2018-12-31 04:25:58,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:25:58,303 INFO L93 Difference]: Finished difference Result 229 states and 285 transitions. [2018-12-31 04:25:58,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-31 04:25:58,305 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 18 [2018-12-31 04:25:58,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:25:58,307 INFO L225 Difference]: With dead ends: 229 [2018-12-31 04:25:58,307 INFO L226 Difference]: Without dead ends: 193 [2018-12-31 04:25:58,309 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=292, Invalid=1190, Unknown=0, NotChecked=0, Total=1482 [2018-12-31 04:25:58,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-12-31 04:25:58,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 121. [2018-12-31 04:25:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-12-31 04:25:58,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2018-12-31 04:25:58,331 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 18 [2018-12-31 04:25:58,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:25:58,331 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2018-12-31 04:25:58,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-31 04:25:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2018-12-31 04:25:58,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 04:25:58,334 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:25:58,335 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:25:58,335 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:25:58,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:25:58,335 INFO L82 PathProgramCache]: Analyzing trace with hash -482453053, now seen corresponding path program 1 times [2018-12-31 04:25:58,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:25:58,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:25:58,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:58,339 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-31 04:25:58,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:25:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:25:58,665 WARN L181 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-12-31 04:25:59,016 WARN L181 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2018-12-31 04:25:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:25:59,376 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 04:25:59,376 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 [2018-12-31 04:25:59,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:25:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:25:59,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:26:01,478 WARN L181 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 111 DAG size of output: 85 [2018-12-31 04:26:01,497 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:01,498 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-12-31 04:26:01,548 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:01,557 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:01,558 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 42 [2018-12-31 04:26:01,579 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-12-31 04:26:01,580 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:01,796 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:01,990 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:02,313 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:02,363 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:02,663 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-12-31 04:26:02,675 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-31 04:26:02,703 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:02,715 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:26:02,715 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:02,760 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:02,862 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-12-31 04:26:02,871 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-12-31 04:26:02,871 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:02,914 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:02,939 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:03,251 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 63 [2018-12-31 04:26:03,258 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-31 04:26:03,270 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:03,271 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:26:03,271 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:03,338 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:03,517 INFO L303 Elim1Store]: Index analysis took 114 ms [2018-12-31 04:26:03,518 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 63 [2018-12-31 04:26:03,524 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-12-31 04:26:03,533 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:03,540 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-12-31 04:26:03,549 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:03,552 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:03,556 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:03,570 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-12-31 04:26:03,571 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:03,612 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:03,641 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:03,727 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:03,775 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:03,920 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:03,929 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:04,066 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2018-12-31 04:26:04,072 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-31 04:26:04,087 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:04,090 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:26:04,090 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,106 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,141 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 52 [2018-12-31 04:26:04,147 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-12-31 04:26:04,148 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,163 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,171 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,255 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 71 [2018-12-31 04:26:04,259 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-12-31 04:26:04,264 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:04,266 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-12-31 04:26:04,266 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,275 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 102 [2018-12-31 04:26:04,322 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-12-31 04:26:04,327 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:04,330 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-12-31 04:26:04,335 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:04,337 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:04,338 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:04,341 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 58 [2018-12-31 04:26:04,342 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,357 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,372 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,399 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,438 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:04,499 INFO L202 ElimStorePlain]: Needed 32 recursive calls to eliminate 12 variables, input treesize:248, output treesize:224 [2018-12-31 04:26:04,582 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:04,583 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:04,585 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:04,586 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:04,587 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 73 [2018-12-31 04:26:04,588 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,688 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 186 [2018-12-31 04:26:04,693 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-31 04:26:04,694 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,785 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,859 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 211 [2018-12-31 04:26:04,863 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-31 04:26:04,863 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,905 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:04,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:04,957 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:251, output treesize:235 [2018-12-31 04:26:05,054 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 199 [2018-12-31 04:26:05,059 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:05,062 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-12-31 04:26:05,062 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:05,109 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:05,187 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 224 [2018-12-31 04:26:05,197 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:05,205 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-12-31 04:26:05,205 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:05,246 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:05,304 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:05,305 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:273, output treesize:235 [2018-12-31 04:26:05,498 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 183 [2018-12-31 04:26:05,506 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:05,509 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 111 [2018-12-31 04:26:05,509 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:05,556 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-12-31 04:26:05,557 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:05,624 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:05,625 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-12-31 04:26:05,625 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:05,685 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-31 04:26:05,685 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:05,707 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:05,739 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:05,739 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:249, output treesize:141 [2018-12-31 04:26:05,929 INFO L303 Elim1Store]: Index analysis took 149 ms [2018-12-31 04:26:05,930 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 84 [2018-12-31 04:26:05,970 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:05,992 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2018-12-31 04:26:05,993 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:06,164 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:06,165 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-12-31 04:26:06,165 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:06,180 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-31 04:26:06,181 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:06,191 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2018-12-31 04:26:06,192 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:06,198 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:06,205 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:06,205 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:145, output treesize:4 [2018-12-31 04:26:06,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:26:06,249 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 04:26:06,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2018-12-31 04:26:06,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-31 04:26:06,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-31 04:26:06,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-12-31 04:26:06,250 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand 17 states. [2018-12-31 04:26:06,624 WARN L181 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2018-12-31 04:26:06,884 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-12-31 04:26:07,222 WARN L181 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2018-12-31 04:26:07,476 WARN L181 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2018-12-31 04:26:08,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:26:08,552 INFO L93 Difference]: Finished difference Result 168 states and 209 transitions. [2018-12-31 04:26:08,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-31 04:26:08,553 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 19 [2018-12-31 04:26:08,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:26:08,555 INFO L225 Difference]: With dead ends: 168 [2018-12-31 04:26:08,555 INFO L226 Difference]: Without dead ends: 166 [2018-12-31 04:26:08,556 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=184, Invalid=628, Unknown=0, NotChecked=0, Total=812 [2018-12-31 04:26:08,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-12-31 04:26:08,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 121. [2018-12-31 04:26:08,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-12-31 04:26:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2018-12-31 04:26:08,579 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 19 [2018-12-31 04:26:08,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:26:08,580 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2018-12-31 04:26:08,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-31 04:26:08,580 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2018-12-31 04:26:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-31 04:26:08,581 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:26:08,581 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:26:08,581 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:26:08,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:26:08,585 INFO L82 PathProgramCache]: Analyzing trace with hash 220535656, now seen corresponding path program 2 times [2018-12-31 04:26:08,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:26:08,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:26:08,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:26:08,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:26:08,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:26:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:26:08,909 WARN L181 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-12-31 04:26:09,149 WARN L181 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-12-31 04:26:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:26:09,363 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 04:26:09,363 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-31 04:26:09,375 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-31 04:26:09,467 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-31 04:26:09,467 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-31 04:26:09,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:26:11,509 WARN L181 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 133 DAG size of output: 107 [2018-12-31 04:26:11,540 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:11,541 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-12-31 04:26:11,600 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:11,616 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:11,617 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 42 [2018-12-31 04:26:11,632 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-12-31 04:26:11,632 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:11,861 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:12,075 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:12,907 INFO L303 Elim1Store]: Index analysis took 151 ms [2018-12-31 04:26:12,908 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 33 [2018-12-31 04:26:12,929 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-31 04:26:12,954 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:12,955 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:26:12,956 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:13,032 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:13,243 INFO L303 Elim1Store]: Index analysis took 124 ms [2018-12-31 04:26:13,244 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 33 [2018-12-31 04:26:13,258 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-12-31 04:26:13,258 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:13,321 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:13,369 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:13,919 INFO L303 Elim1Store]: Index analysis took 176 ms [2018-12-31 04:26:13,920 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2018-12-31 04:26:13,930 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-12-31 04:26:13,941 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2018-12-31 04:26:13,941 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:13,988 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:14,201 INFO L303 Elim1Store]: Index analysis took 119 ms [2018-12-31 04:26:14,202 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 55 [2018-12-31 04:26:14,213 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-12-31 04:26:14,213 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:14,280 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:14,333 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:14,577 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:14,590 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:14,831 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 33 [2018-12-31 04:26:14,838 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-31 04:26:14,849 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:14,855 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:26:14,856 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:14,883 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:14,942 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 33 [2018-12-31 04:26:14,967 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-12-31 04:26:14,970 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:15,079 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:15,158 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:15,841 INFO L303 Elim1Store]: Index analysis took 165 ms [2018-12-31 04:26:15,842 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 62 [2018-12-31 04:26:15,856 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-12-31 04:26:15,872 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2018-12-31 04:26:15,873 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:15,952 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:16,213 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:16,757 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:16,789 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:17,306 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:17,333 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:17,862 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:17,873 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 91 [2018-12-31 04:26:17,895 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-12-31 04:26:17,913 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2018-12-31 04:26:17,913 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:17,925 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:17,971 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:17,977 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 87 [2018-12-31 04:26:17,982 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-12-31 04:26:18,027 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2018-12-31 04:26:18,066 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-12-31 04:26:18,067 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,079 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,090 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,127 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,156 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,230 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:18,236 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:18,320 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 40 [2018-12-31 04:26:18,326 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-12-31 04:26:18,332 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-12-31 04:26:18,342 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 34 [2018-12-31 04:26:18,343 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,353 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,362 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,385 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,387 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 87 [2018-12-31 04:26:18,392 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2018-12-31 04:26:18,398 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2018-12-31 04:26:18,407 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 54 [2018-12-31 04:26:18,409 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,418 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,426 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,443 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,458 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,528 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 10 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,529 INFO L202 ElimStorePlain]: Needed 45 recursive calls to eliminate 13 variables, input treesize:285, output treesize:187 [2018-12-31 04:26:18,605 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,607 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,608 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,610 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,611 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,613 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,614 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-12-31 04:26:18,615 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,694 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,696 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,718 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 137 [2018-12-31 04:26:18,725 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-31 04:26:18,725 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,755 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,828 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,834 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,838 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 95 [2018-12-31 04:26:18,843 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-12-31 04:26:18,843 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,855 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,921 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,923 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,929 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:18,939 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 175 [2018-12-31 04:26:18,943 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-31 04:26:18,943 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:18,989 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:19,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:19,057 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:232, output treesize:201 [2018-12-31 04:26:19,157 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,159 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,184 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 150 [2018-12-31 04:26:19,189 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,192 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-12-31 04:26:19,193 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:19,238 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:19,319 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,326 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,331 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 93 [2018-12-31 04:26:19,336 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-12-31 04:26:19,336 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:19,353 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:19,432 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,434 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,441 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,451 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 188 [2018-12-31 04:26:19,456 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,458 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-12-31 04:26:19,459 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:19,510 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:19,572 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:19,573 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:252, output treesize:210 [2018-12-31 04:26:19,820 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,843 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,894 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,895 INFO L303 Elim1Store]: Index analysis took 113 ms [2018-12-31 04:26:19,896 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 130 [2018-12-31 04:26:19,911 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:19,921 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 54 [2018-12-31 04:26:19,924 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-12-31 04:26:19,997 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-12-31 04:26:19,998 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,060 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2018-12-31 04:26:20,060 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,075 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 75 [2018-12-31 04:26:20,076 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-12-31 04:26:20,148 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-12-31 04:26:20,227 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:20,236 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 79 [2018-12-31 04:26:20,243 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-12-31 04:26:20,243 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,267 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-12-31 04:26:20,267 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,281 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,285 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:20,294 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 79 [2018-12-31 04:26:20,301 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-12-31 04:26:20,302 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,342 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-12-31 04:26:20,343 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,384 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,427 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-12-31 04:26:20,428 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 3 variables, input treesize:217, output treesize:77 [2018-12-31 04:26:20,496 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:20,500 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:20,502 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 42 [2018-12-31 04:26:20,541 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 15 [2018-12-31 04:26:20,542 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,556 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-12-31 04:26:20,556 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,584 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-12-31 04:26:20,585 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,605 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:20,615 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:44, output treesize:7 [2018-12-31 04:26:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-31 04:26:20,688 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 04:26:20,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 18 [2018-12-31 04:26:20,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-31 04:26:20,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-31 04:26:20,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2018-12-31 04:26:20,689 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand 18 states. [2018-12-31 04:26:21,338 WARN L181 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2018-12-31 04:26:21,689 WARN L181 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2018-12-31 04:26:22,224 WARN L181 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-12-31 04:26:22,636 WARN L181 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2018-12-31 04:26:22,916 WARN L181 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2018-12-31 04:26:23,177 WARN L181 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2018-12-31 04:26:23,441 WARN L181 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2018-12-31 04:26:24,053 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2018-12-31 04:26:26,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:26:26,097 INFO L93 Difference]: Finished difference Result 282 states and 352 transitions. [2018-12-31 04:26:26,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-31 04:26:26,098 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 21 [2018-12-31 04:26:26,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:26:26,100 INFO L225 Difference]: With dead ends: 282 [2018-12-31 04:26:26,100 INFO L226 Difference]: Without dead ends: 247 [2018-12-31 04:26:26,102 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=328, Invalid=1394, Unknown=0, NotChecked=0, Total=1722 [2018-12-31 04:26:26,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-12-31 04:26:26,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 162. [2018-12-31 04:26:26,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-12-31 04:26:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 200 transitions. [2018-12-31 04:26:26,135 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 200 transitions. Word has length 21 [2018-12-31 04:26:26,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:26:26,136 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 200 transitions. [2018-12-31 04:26:26,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-31 04:26:26,136 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2018-12-31 04:26:26,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-31 04:26:26,140 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:26:26,140 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:26:26,141 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:26:26,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:26:26,141 INFO L82 PathProgramCache]: Analyzing trace with hash -800532698, now seen corresponding path program 1 times [2018-12-31 04:26:26,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:26:26,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:26:26,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:26:26,146 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-31 04:26:26,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:26:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:26:26,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:26:26,749 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 04:26:26,749 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-31 04:26:26,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:26:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:26:26,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:26:30,321 WARN L181 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 124 DAG size of output: 98 [2018-12-31 04:26:30,393 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:30,396 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-12-31 04:26:30,449 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:30,464 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:30,465 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 42 [2018-12-31 04:26:30,479 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-12-31 04:26:30,480 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:30,887 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:31,156 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:31,709 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:31,731 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:32,256 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:32,321 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:32,836 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:32,885 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:33,301 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2018-12-31 04:26:33,311 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-12-31 04:26:33,378 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:33,444 INFO L303 Elim1Store]: Index analysis took 131 ms [2018-12-31 04:26:33,445 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-12-31 04:26:33,469 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:33,489 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:33,513 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:33,549 INFO L303 Elim1Store]: Index analysis took 101 ms [2018-12-31 04:26:33,550 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 39 [2018-12-31 04:26:33,550 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:33,691 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:33,736 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:33,810 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:34,216 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:34,253 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:34,571 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:34,592 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:26:34,871 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 67 [2018-12-31 04:26:34,881 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-31 04:26:34,892 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:34,904 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:26:34,904 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:34,944 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:26:35,123 INFO L303 Elim1Store]: Index analysis took 131 ms [2018-12-31 04:26:35,124 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 70 [2018-12-31 04:26:35,135 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-12-31 04:26:35,135 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-31 04:26:35,192 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 44 [2018-12-31 04:26:35,208 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-12-31 04:26:35,220 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:35,228 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 32 [2018-12-31 04:26:35,239 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:35,243 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:35,247 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:35,257 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 46 [2018-12-31 04:26:35,267 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:35,271 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:35,276 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:26:35,492 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-31 04:26:35,494 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_68 input size 18 context size 18 output size 18 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:294) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-31 04:26:35,503 INFO L168 Benchmark]: Toolchain (without parser) took 70517.95 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 438.3 MB). Free memory was 951.4 MB in the beginning and 1.4 GB in the end (delta: -448.2 MB). Peak memory consumption was 593.3 MB. Max. memory is 11.5 GB. [2018-12-31 04:26:35,503 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:26:35,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-31 04:26:35,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.02 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. [2018-12-31 04:26:35,504 INFO L168 Benchmark]: Boogie Preprocessor took 42.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:26:35,504 INFO L168 Benchmark]: RCFGBuilder took 898.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-12-31 04:26:35,505 INFO L168 Benchmark]: TraceAbstraction took 68747.17 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 314.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -334.8 MB). Peak memory consumption was 582.5 MB. Max. memory is 11.5 GB. [2018-12-31 04:26:35,507 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 745.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 898.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 68747.17 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 314.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -334.8 MB). Peak memory consumption was 582.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_68 input size 18 context size 18 output size 18 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_68 input size 18 context size 18 output size 18: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 04:26:38,052 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:26:38,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:26:38,069 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:26:38,069 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:26:38,070 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:26:38,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:26:38,075 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:26:38,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:26:38,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:26:38,079 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:26:38,079 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:26:38,080 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:26:38,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:26:38,083 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:26:38,084 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:26:38,084 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:26:38,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:26:38,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:26:38,092 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:26:38,093 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:26:38,095 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:26:38,097 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:26:38,098 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:26:38,098 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:26:38,099 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:26:38,101 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:26:38,102 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:26:38,103 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:26:38,104 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:26:38,105 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:26:38,105 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:26:38,106 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:26:38,106 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:26:38,107 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:26:38,108 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:26:38,108 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 04:26:38,126 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:26:38,130 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:26:38,131 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:26:38,131 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:26:38,131 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:26:38,132 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:26:38,132 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:26:38,132 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:26:38,132 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:26:38,132 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:26:38,132 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:26:38,135 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:26:38,135 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 04:26:38,136 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 04:26:38,136 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:26:38,136 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:26:38,136 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:26:38,136 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:26:38,137 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:26:38,137 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:26:38,137 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:26:38,137 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:26:38,137 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:26:38,138 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:26:38,141 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:26:38,141 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:26:38,141 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 04:26:38,141 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:26:38,142 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 04:26:38,142 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 04:26:38,142 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 -> ec7b34841527490886cd362d78588ff0f0e72200 [2018-12-31 04:26:38,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:26:38,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:26:38,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:26:38,243 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:26:38,243 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:26:38,244 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-12-31 04:26:38,315 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab25572c/a33b091c0f3b4209b9603ca2dea2d13a/FLAG3a01e42c9 [2018-12-31 04:26:38,898 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:26:38,898 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-12-31 04:26:38,936 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab25572c/a33b091c0f3b4209b9603ca2dea2d13a/FLAG3a01e42c9 [2018-12-31 04:26:39,172 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab25572c/a33b091c0f3b4209b9603ca2dea2d13a [2018-12-31 04:26:39,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:26:39,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:26:39,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:26:39,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:26:39,183 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:26:39,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:26:39" (1/1) ... [2018-12-31 04:26:39,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3ea916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39, skipping insertion in model container [2018-12-31 04:26:39,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:26:39" (1/1) ... [2018-12-31 04:26:39,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:26:39,252 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:26:39,685 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:26:39,713 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:26:39,908 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:26:39,972 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:26:39,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39 WrapperNode [2018-12-31 04:26:39,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:26:39,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:26:39,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:26:39,974 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:26:39,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39" (1/1) ... [2018-12-31 04:26:40,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39" (1/1) ... [2018-12-31 04:26:40,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:26:40,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:26:40,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:26:40,040 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:26:40,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39" (1/1) ... [2018-12-31 04:26:40,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39" (1/1) ... [2018-12-31 04:26:40,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39" (1/1) ... [2018-12-31 04:26:40,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39" (1/1) ... [2018-12-31 04:26:40,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39" (1/1) ... [2018-12-31 04:26:40,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39" (1/1) ... [2018-12-31 04:26:40,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39" (1/1) ... [2018-12-31 04:26:40,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:26:40,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:26:40,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:26:40,090 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:26:40,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39" (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 [2018-12-31 04:26:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 04:26:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2018-12-31 04:26:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-31 04:26:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-31 04:26:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:26:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 04:26:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:26:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:26:42,978 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:26:42,978 INFO L280 CfgBuilder]: Removed 19 assue(true) statements. [2018-12-31 04:26:42,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:26:42 BoogieIcfgContainer [2018-12-31 04:26:42,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:26:42,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:26:42,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:26:42,984 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:26:42,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:26:39" (1/3) ... [2018-12-31 04:26:42,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3c43de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:26:42, skipping insertion in model container [2018-12-31 04:26:42,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:26:39" (2/3) ... [2018-12-31 04:26:42,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3c43de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:26:42, skipping insertion in model container [2018-12-31 04:26:42,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:26:42" (3/3) ... [2018-12-31 04:26:42,990 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-12-31 04:26:43,001 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:26:43,009 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-12-31 04:26:43,027 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-12-31 04:26:43,062 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:26:43,063 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:26:43,063 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:26:43,063 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:26:43,063 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:26:43,064 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:26:43,064 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:26:43,064 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:26:43,065 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:26:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2018-12-31 04:26:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-31 04:26:43,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:26:43,091 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:26:43,094 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:26:43,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:26:43,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1810667474, now seen corresponding path program 1 times [2018-12-31 04:26:43,108 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-31 04:26:43,109 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-31 04:26:43,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:26:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:26:43,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:26:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:26:43,422 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:26:43,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:26:43,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 04:26:43,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 04:26:43,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 04:26:43,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 04:26:43,450 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 4 states. [2018-12-31 04:26:43,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:26:43,829 INFO L93 Difference]: Finished difference Result 109 states and 185 transitions. [2018-12-31 04:26:43,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 04:26:43,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2018-12-31 04:26:43,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:26:43,844 INFO L225 Difference]: With dead ends: 109 [2018-12-31 04:26:43,844 INFO L226 Difference]: Without dead ends: 64 [2018-12-31 04:26:43,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 04:26:43,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-31 04:26:43,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 40. [2018-12-31 04:26:43,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-31 04:26:43,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2018-12-31 04:26:43,894 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 7 [2018-12-31 04:26:43,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:26:43,894 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2018-12-31 04:26:43,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 04:26:43,895 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2018-12-31 04:26:43,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-31 04:26:43,895 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:26:43,896 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:26:43,896 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:26:43,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:26:43,897 INFO L82 PathProgramCache]: Analyzing trace with hash 332382386, now seen corresponding path program 1 times [2018-12-31 04:26:43,898 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-31 04:26:43,898 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-31 04:26:43,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:26:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:26:43,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:26:43,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:26:43,980 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:26:43,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:26:43,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 04:26:43,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 04:26:43,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 04:26:43,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 04:26:43,986 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 3 states. [2018-12-31 04:26:44,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:26:44,154 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2018-12-31 04:26:44,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 04:26:44,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-12-31 04:26:44,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:26:44,157 INFO L225 Difference]: With dead ends: 43 [2018-12-31 04:26:44,157 INFO L226 Difference]: Without dead ends: 41 [2018-12-31 04:26:44,159 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 04:26:44,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-31 04:26:44,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2018-12-31 04:26:44,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-31 04:26:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2018-12-31 04:26:44,166 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 8 [2018-12-31 04:26:44,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:26:44,167 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2018-12-31 04:26:44,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 04:26:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2018-12-31 04:26:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-31 04:26:44,169 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:26:44,169 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:26:44,169 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:26:44,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:26:44,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1713955348, now seen corresponding path program 1 times [2018-12-31 04:26:44,171 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-31 04:26:44,171 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-31 04:26:44,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:26:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:26:44,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:29:00,683 WARN L181 SmtUtils]: Spent 2.27 m on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2018-12-31 04:29:01,497 INFO L303 Elim1Store]: Index analysis took 805 ms [2018-12-31 04:29:01,502 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-31 04:29:01,504 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-31 04:29:55,930 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:29:58,013 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:29:58,016 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:30:05,654 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:31:04,533 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:31:07,208 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:31:07,211 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:31:14,095 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:32:05,589 WARN L670 Elim1Store]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_$Pointer$.base_36| ULTIMATE.start_main_~bucket~0.base))) (= (store (store .cse0 (bvadd ULTIMATE.start_main_~bucket~0.offset (_ bv4 32)) (_ bv0 32)) ULTIMATE.start_main_~bucket~0.offset |ULTIMATE.start_main_#t~malloc1.base|) .cse0)) [2018-12-31 04:32:07,772 INFO L303 Elim1Store]: Index analysis took 6184 ms [2018-12-31 04:32:07,774 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 65 [2018-12-31 04:32:08,011 INFO L303 Elim1Store]: Index analysis took 235 ms [2018-12-31 04:32:08,012 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-31 04:32:08,222 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:32:09,128 INFO L303 Elim1Store]: Index analysis took 1110 ms [2018-12-31 04:32:09,130 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-31 04:32:09,130 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-31 04:32:11,796 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:32:25,580 INFO L303 Elim1Store]: Index analysis took 5951 ms [2018-12-31 04:32:25,582 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-12-31 04:32:25,711 INFO L303 Elim1Store]: Index analysis took 125 ms [2018-12-31 04:32:25,712 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-12-31 04:32:25,713 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-12-31 04:32:32,286 INFO L303 Elim1Store]: Index analysis took 2427 ms [2018-12-31 04:32:32,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 62 [2018-12-31 04:32:32,864 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:32:33,134 INFO L303 Elim1Store]: Index analysis took 810 ms [2018-12-31 04:32:33,136 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 68 [2018-12-31 04:32:33,671 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:32:34,039 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:32:34,299 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 04:32:35,717 INFO L303 Elim1Store]: Index analysis took 2577 ms [2018-12-31 04:32:35,719 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-12-31 04:32:35,720 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-31 04:32:40,165 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:32:56,790 INFO L303 Elim1Store]: Index analysis took 116 ms [2018-12-31 04:32:56,791 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 57 [2018-12-31 04:32:56,957 INFO L303 Elim1Store]: Index analysis took 161 ms [2018-12-31 04:32:57,159 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-31 04:32:57,160 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:294) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-31 04:32:57,170 INFO L168 Benchmark]: Toolchain (without parser) took 377993.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 937.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 155.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:32:57,172 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:32:57,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-12-31 04:32:57,174 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.25 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. [2018-12-31 04:32:57,174 INFO L168 Benchmark]: Boogie Preprocessor took 50.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-31 04:32:57,175 INFO L168 Benchmark]: RCFGBuilder took 2888.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-12-31 04:32:57,177 INFO L168 Benchmark]: TraceAbstraction took 374189.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.7 MB in the end (delta: 143.4 MB). Peak memory consumption was 143.4 MB. Max. memory is 11.5 GB. [2018-12-31 04:32:57,182 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 795.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2888.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 374189.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.7 MB in the end (delta: 143.4 MB). Peak memory consumption was 143.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...