./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2c_append_equal_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_append_equal_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1f3e231c5b77f9ab25b28372001f508e3e47c051 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_append_equal_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1f3e231c5b77f9ab25b28372001f508e3e47c051 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_26 input size 33 context size 33 output size 33 --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:54:37,996 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:54:37,997 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:54:38,003 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:54:38,003 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:54:38,004 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:54:38,005 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:54:38,006 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:54:38,006 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:54:38,007 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:54:38,007 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:54:38,007 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:54:38,008 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:54:38,008 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:54:38,009 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:54:38,009 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:54:38,010 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:54:38,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:54:38,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:54:38,012 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:54:38,013 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:54:38,013 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:54:38,015 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:54:38,015 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:54:38,015 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:54:38,015 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:54:38,016 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:54:38,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:54:38,017 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:54:38,017 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:54:38,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:54:38,018 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:54:38,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:54:38,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:54:38,018 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:54:38,019 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:54:38,019 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 22:54:38,026 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:54:38,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:54:38,027 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:54:38,027 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:54:38,027 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:54:38,027 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:54:38,027 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 22:54:38,027 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:54:38,027 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:54:38,028 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:54:38,028 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:54:38,028 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:54:38,028 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:54:38,028 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:54:38,028 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:54:38,028 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:54:38,028 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:54:38,028 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:54:38,028 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:54:38,028 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:54:38,029 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:54:38,029 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:54:38,029 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:54:38,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:54:38,029 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:54:38,029 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:54:38,029 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:54:38,029 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 22:54:38,029 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:54:38,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:54:38,029 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f3e231c5b77f9ab25b28372001f508e3e47c051 [2018-12-01 22:54:38,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:54:38,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:54:38,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:54:38,056 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:54:38,056 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:54:38,056 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/../../sv-benchmarks/c/list-simple/dll2c_append_equal_true-unreach-call_true-valid-memsafety.i [2018-12-01 22:54:38,092 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/data/508cb238e/15bed6efe7d0446891dab54dc8054682/FLAG730e6f29e [2018-12-01 22:54:38,550 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:54:38,550 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/sv-benchmarks/c/list-simple/dll2c_append_equal_true-unreach-call_true-valid-memsafety.i [2018-12-01 22:54:38,556 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/data/508cb238e/15bed6efe7d0446891dab54dc8054682/FLAG730e6f29e [2018-12-01 22:54:38,564 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/data/508cb238e/15bed6efe7d0446891dab54dc8054682 [2018-12-01 22:54:38,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:54:38,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:54:38,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:54:38,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:54:38,569 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:54:38,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:54:38" (1/1) ... [2018-12-01 22:54:38,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b5df9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38, skipping insertion in model container [2018-12-01 22:54:38,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:54:38" (1/1) ... [2018-12-01 22:54:38,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:54:38,599 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:54:38,771 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:54:38,814 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:54:38,844 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:54:38,875 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:54:38,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38 WrapperNode [2018-12-01 22:54:38,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:54:38,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:54:38,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:54:38,875 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:54:38,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38" (1/1) ... [2018-12-01 22:54:38,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38" (1/1) ... [2018-12-01 22:54:38,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:54:38,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:54:38,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:54:38,896 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:54:38,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38" (1/1) ... [2018-12-01 22:54:38,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38" (1/1) ... [2018-12-01 22:54:38,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38" (1/1) ... [2018-12-01 22:54:38,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38" (1/1) ... [2018-12-01 22:54:38,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38" (1/1) ... [2018-12-01 22:54:38,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38" (1/1) ... [2018-12-01 22:54:38,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38" (1/1) ... [2018-12-01 22:54:38,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:54:38,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:54:38,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:54:38,918 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:54:38,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:54:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2018-12-01 22:54:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2018-12-01 22:54:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2018-12-01 22:54:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2018-12-01 22:54:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 22:54:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 22:54:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 22:54:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2018-12-01 22:54:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2018-12-01 22:54:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:54:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:54:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:54:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:54:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 22:54:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_append [2018-12-01 22:54:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_append [2018-12-01 22:54:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 22:54:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2018-12-01 22:54:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2018-12-01 22:54:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 22:54:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 22:54:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:54:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:54:39,157 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:54:39,157 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-12-01 22:54:39,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:54:39 BoogieIcfgContainer [2018-12-01 22:54:39,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:54:39,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:54:39,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:54:39,161 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:54:39,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:54:38" (1/3) ... [2018-12-01 22:54:39,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188ae017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:54:39, skipping insertion in model container [2018-12-01 22:54:39,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:38" (2/3) ... [2018-12-01 22:54:39,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188ae017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:54:39, skipping insertion in model container [2018-12-01 22:54:39,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:54:39" (3/3) ... [2018-12-01 22:54:39,163 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_append_equal_true-unreach-call_true-valid-memsafety.i [2018-12-01 22:54:39,170 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:54:39,175 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:54:39,185 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:54:39,203 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 22:54:39,203 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:54:39,204 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:54:39,204 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:54:39,204 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:54:39,204 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:54:39,204 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:54:39,204 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:54:39,204 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:54:39,216 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-12-01 22:54:39,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 22:54:39,220 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:54:39,221 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:54:39,223 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:54:39,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:54:39,226 INFO L82 PathProgramCache]: Analyzing trace with hash -800595804, now seen corresponding path program 1 times [2018-12-01 22:54:39,227 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:54:39,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:54:39,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:54:39,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:54:39,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:54:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:39,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 22:54:39,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:54:39,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 22:54:39,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 22:54:39,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 22:54:39,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:54:39,366 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-12-01 22:54:39,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:54:39,382 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2018-12-01 22:54:39,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 22:54:39,383 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 36 [2018-12-01 22:54:39,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:54:39,389 INFO L225 Difference]: With dead ends: 93 [2018-12-01 22:54:39,389 INFO L226 Difference]: Without dead ends: 39 [2018-12-01 22:54:39,392 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:54:39,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-12-01 22:54:39,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-12-01 22:54:39,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-01 22:54:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2018-12-01 22:54:39,418 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 36 [2018-12-01 22:54:39,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:54:39,419 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2018-12-01 22:54:39,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 22:54:39,419 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2018-12-01 22:54:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 22:54:39,420 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:54:39,420 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:54:39,421 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:54:39,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:54:39,421 INFO L82 PathProgramCache]: Analyzing trace with hash 746795704, now seen corresponding path program 1 times [2018-12-01 22:54:39,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:54:39,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:54:39,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:54:39,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:54:39,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:54:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 22:54:39,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:54:39,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:54:39,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:54:39,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:54:39,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:54:39,509 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand 5 states. [2018-12-01 22:54:39,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:54:39,550 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2018-12-01 22:54:39,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:54:39,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2018-12-01 22:54:39,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:54:39,551 INFO L225 Difference]: With dead ends: 68 [2018-12-01 22:54:39,551 INFO L226 Difference]: Without dead ends: 44 [2018-12-01 22:54:39,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:54:39,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-01 22:54:39,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2018-12-01 22:54:39,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-01 22:54:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2018-12-01 22:54:39,559 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 36 [2018-12-01 22:54:39,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:54:39,559 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2018-12-01 22:54:39,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:54:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-12-01 22:54:39,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 22:54:39,560 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:54:39,560 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:54:39,560 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:54:39,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:54:39,561 INFO L82 PathProgramCache]: Analyzing trace with hash -573414004, now seen corresponding path program 1 times [2018-12-01 22:54:39,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:54:39,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:54:39,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:54:39,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:54:39,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:54:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:54:40,169 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:54:40,170 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:54:40,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:54:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:40,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:54:40,243 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 6 treesize of output 5 [2018-12-01 22:54:40,245 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 22:54:40,248 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:54:40,248 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-01 22:54:43,284 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:54:43,285 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:54:43,285 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:54:43,286 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 [2018-12-01 22:54:43,290 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 [2018-12-01 22:54:43,290 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 22:54:43,300 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:54:43,310 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-01 22:54:43,310 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:35 [2018-12-01 22:54:45,268 WARN L180 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 22 [2018-12-01 22:54:47,547 WARN L180 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 28 [2018-12-01 22:54:47,565 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:54:47,568 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:54:47,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-12-01 22:54:47,574 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:40, output treesize:31 [2018-12-01 22:54:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 2 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:54:49,913 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 22:54:49,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21] total 36 [2018-12-01 22:54:49,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-12-01 22:54:49,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-12-01 22:54:49,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1147, Unknown=10, NotChecked=0, Total=1260 [2018-12-01 22:54:49,914 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 36 states. [2018-12-01 22:54:50,337 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-12-01 22:54:52,061 WARN L180 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 37 [2018-12-01 22:54:53,458 WARN L180 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 37 [2018-12-01 22:54:56,167 WARN L180 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 56 [2018-12-01 22:54:56,792 WARN L180 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-12-01 22:54:57,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:54:57,023 INFO L93 Difference]: Finished difference Result 69 states and 83 transitions. [2018-12-01 22:54:57,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-01 22:54:57,023 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 46 [2018-12-01 22:54:57,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:54:57,025 INFO L225 Difference]: With dead ends: 69 [2018-12-01 22:54:57,025 INFO L226 Difference]: Without dead ends: 61 [2018-12-01 22:54:57,026 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=161, Invalid=1721, Unknown=10, NotChecked=0, Total=1892 [2018-12-01 22:54:57,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-01 22:54:57,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 52. [2018-12-01 22:54:57,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-01 22:54:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2018-12-01 22:54:57,032 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 46 [2018-12-01 22:54:57,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:54:57,033 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2018-12-01 22:54:57,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-12-01 22:54:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2018-12-01 22:54:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 22:54:57,034 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:54:57,034 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:54:57,034 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:54:57,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:54:57,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1201593358, now seen corresponding path program 1 times [2018-12-01 22:54:57,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:54:57,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:54:57,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:54:57,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:54:57,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:54:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:58,902 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2018-12-01 22:54:59,598 WARN L180 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 80 [2018-12-01 22:55:00,021 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2018-12-01 22:55:00,250 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:55:00,250 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:55:00,250 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:55:00,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:55:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:55:00,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:55:00,296 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 6 treesize of output 5 [2018-12-01 22:55:00,296 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,310 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,310 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-01 22:55:00,672 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 27 treesize of output 24 [2018-12-01 22:55:00,674 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 27 [2018-12-01 22:55:00,677 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:00,678 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 27 treesize of output 35 [2018-12-01 22:55:00,680 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:00,681 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:00,682 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:00,684 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 29 treesize of output 37 [2018-12-01 22:55:00,684 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,689 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,692 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,698 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,709 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 10 [2018-12-01 22:55:00,710 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 [2018-12-01 22:55:00,711 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,712 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,719 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,720 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2018-12-01 22:55:00,899 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 34 treesize of output 27 [2018-12-01 22:55:00,902 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:00,904 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-12-01 22:55:00,904 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,909 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,926 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 28 treesize of output 21 [2018-12-01 22:55:00,928 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:00,931 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 21 treesize of output 26 [2018-12-01 22:55:00,931 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,948 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:00,962 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:89, output treesize:63 [2018-12-01 22:55:01,049 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:01,053 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2018-12-01 22:55:01,055 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 [2018-12-01 22:55:01,055 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 22:55:01,060 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:01,075 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:01,078 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 31 [2018-12-01 22:55:01,081 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-12-01 22:55:01,081 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 22:55:01,086 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:01,097 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:01,097 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:92, output treesize:69 [2018-12-01 22:55:01,280 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:01,288 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 116 [2018-12-01 22:55:01,292 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 0 case distinctions, treesize of input 20 treesize of output 25 [2018-12-01 22:55:01,293 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 22:55:01,312 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:01,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 94 [2018-12-01 22:55:01,320 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:55:01,323 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 93 treesize of output 118 [2018-12-01 22:55:01,323 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 22:55:01,337 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:01,348 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:01,368 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:01,372 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 45 [2018-12-01 22:55:01,374 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 22 treesize of output 21 [2018-12-01 22:55:01,374 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-01 22:55:01,380 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:01,396 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 34 treesize of output 27 [2018-12-01 22:55:01,399 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:01,400 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 27 treesize of output 21 [2018-12-01 22:55:01,400 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-01 22:55:01,406 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:01,417 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:01,417 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:167, output treesize:89 [2018-12-01 22:55:03,544 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-01 22:55:03,565 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:03,566 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:03,567 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:55:03,567 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 33 treesize of output 56 [2018-12-01 22:55:03,570 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 36 treesize of output 52 [2018-12-01 22:55:03,570 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 22:55:03,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:55:03,598 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:03,599 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:93, output treesize:97 [2018-12-01 22:55:03,853 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:03,856 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:03,870 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:03,873 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:03,881 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:03,882 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:89, output treesize:65 [2018-12-01 22:55:04,795 WARN L180 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-01 22:55:05,758 WARN L180 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-01 22:55:06,715 WARN L180 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-01 22:55:06,721 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:06,903 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:07,168 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:07,195 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:07,432 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:07,496 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:07,756 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:07,793 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:08,029 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:08,148 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:08,366 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 5 dim-2 vars, End of recursive call: 11 dim-0 vars, and 1 xjuncts. [2018-12-01 22:55:08,366 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 11 variables, input treesize:3073, output treesize:11006 [2018-12-01 22:56:10,955 WARN L180 SmtUtils]: Spent 37.54 s on a formula simplification. DAG size of input: 753 DAG size of output: 132 [2018-12-01 22:56:11,027 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:11,036 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:11,044 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:11,063 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:11,076 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:11,084 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:11,084 INFO L303 Elim1Store]: Index analysis took 128 ms [2018-12-01 22:56:11,085 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 39 treesize of output 79 [2018-12-01 22:56:11,085 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:12,067 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:12,082 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:12,369 INFO L303 Elim1Store]: Index analysis took 329 ms [2018-12-01 22:56:12,370 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 7899 treesize of output 5814 [2018-12-01 22:56:13,674 WARN L180 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 144 DAG size of output: 111 [2018-12-01 22:56:13,687 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 [2018-12-01 22:56:13,709 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 [2018-12-01 22:56:13,775 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 [2018-12-01 22:56:13,775 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:13,874 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:13,990 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:14,379 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:14,380 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:14,607 INFO L303 Elim1Store]: Index analysis took 266 ms [2018-12-01 22:56:14,608 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 5780 treesize of output 5006 [2018-12-01 22:56:17,719 WARN L180 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 172 DAG size of output: 118 [2018-12-01 22:56:17,729 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 36 treesize of output 35 [2018-12-01 22:56:17,729 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:18,210 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:18,227 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:18,240 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:18,249 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:18,257 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:18,490 INFO L303 Elim1Store]: Index analysis took 300 ms [2018-12-01 22:56:18,491 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4734 treesize of output 6207 [2018-12-01 22:56:18,592 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 case distinctions, treesize of input 33 treesize of output 53 [2018-12-01 22:56:18,596 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-12-01 22:56:18,596 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:18,967 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:19,045 INFO L303 Elim1Store]: Index analysis took 123 ms [2018-12-01 22:56:19,060 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 151 [2018-12-01 22:56:19,061 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 4 xjuncts. [2018-12-01 22:56:19,927 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:19,930 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:19,951 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 91 [2018-12-01 22:56:19,951 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:20,642 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:20,649 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:20,685 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 115 [2018-12-01 22:56:20,685 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:21,389 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:21,395 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:21,401 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:21,406 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:21,412 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:21,459 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 35 treesize of output 98 [2018-12-01 22:56:21,460 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:21,825 INFO L267 ElimStorePlain]: Start of recursive call 10: 8 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-01 22:56:22,437 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:22,441 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:22,447 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:22,455 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:22,579 INFO L303 Elim1Store]: Index analysis took 154 ms [2018-12-01 22:56:22,580 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 5223 treesize of output 5729 [2018-12-01 22:56:22,587 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 469 treesize of output 468 [2018-12-01 22:56:22,587 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:22,779 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:22,799 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:22,807 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:22,812 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:22,821 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:22,953 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:22,953 INFO L303 Elim1Store]: Index analysis took 173 ms [2018-12-01 22:56:22,954 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 5232 treesize of output 5753 [2018-12-01 22:56:22,964 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 485 treesize of output 932 [2018-12-01 22:56:22,964 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:23,173 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:23,186 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:23,193 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:23,197 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:23,205 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:23,323 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:23,323 INFO L303 Elim1Store]: Index analysis took 149 ms [2018-12-01 22:56:23,324 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 5229 treesize of output 5750 [2018-12-01 22:56:23,331 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 485 treesize of output 932 [2018-12-01 22:56:23,331 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:23,557 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:23,577 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:23,583 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:23,589 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:23,597 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:23,776 INFO L303 Elim1Store]: Index analysis took 218 ms [2018-12-01 22:56:23,776 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 5246 treesize of output 5752 [2018-12-01 22:56:23,787 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 469 treesize of output 468 [2018-12-01 22:56:23,787 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:24,078 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:24,092 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:24,099 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:24,104 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:24,112 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:24,226 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:24,227 INFO L303 Elim1Store]: Index analysis took 148 ms [2018-12-01 22:56:24,228 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 5274 treesize of output 5767 [2018-12-01 22:56:24,237 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 485 treesize of output 932 [2018-12-01 22:56:24,238 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:24,489 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:25,739 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-12-01 22:56:26,995 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-12-01 22:56:28,195 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-12-01 22:56:29,369 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:29,374 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:29,377 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:29,378 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:29,382 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:29,387 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:29,387 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:29,393 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:29,530 INFO L303 Elim1Store]: Index analysis took 172 ms [2018-12-01 22:56:29,531 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4835 treesize of output 1682 [2018-12-01 22:56:29,538 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 [2018-12-01 22:56:29,543 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 [2018-12-01 22:56:29,560 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 [2018-12-01 22:56:29,561 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:29,583 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:29,609 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:29,837 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:29,841 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:29,846 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:29,849 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:29,917 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2097 treesize of output 869 [2018-12-01 22:56:30,609 WARN L180 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 104 [2018-12-01 22:56:30,627 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 2 case distinctions, treesize of input 28 treesize of output 55 [2018-12-01 22:56:30,627 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2018-12-01 22:56:30,794 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:30,795 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:30,799 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:30,802 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:30,805 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:30,821 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:30,826 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:30,955 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:30,969 INFO L303 Elim1Store]: Index analysis took 182 ms [2018-12-01 22:56:30,969 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 596 treesize of output 688 [2018-12-01 22:56:30,979 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:31,003 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 229 treesize of output 130 [2018-12-01 22:56:31,003 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:31,120 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 487 treesize of output 451 [2018-12-01 22:56:31,129 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 435 treesize of output 462 [2018-12-01 22:56:31,130 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:31,180 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:31,266 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:31,269 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:31,271 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:31,280 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:31,290 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:31,310 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:31,314 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:31,317 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:31,318 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 536 treesize of output 514 [2018-12-01 22:56:31,329 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:31,472 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 398 treesize of output 460 [2018-12-01 22:56:31,476 INFO L267 ElimStorePlain]: Start of recursive call 37: 12 dim-0 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts. [2018-12-01 22:56:31,939 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-12-01 22:56:32,440 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 446 treesize of output 408 [2018-12-01 22:56:32,449 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:32,451 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:32,465 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:32,481 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:32,482 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 320 treesize of output 407 [2018-12-01 22:56:32,482 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:32,552 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 45 treesize of output 54 [2018-12-01 22:56:32,552 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:32,604 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:32,611 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 465 treesize of output 429 [2018-12-01 22:56:32,615 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-12-01 22:56:32,616 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:56:32,689 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:32,692 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:32,699 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:32,713 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:32,714 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 303 treesize of output 384 [2018-12-01 22:56:32,715 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:32,785 INFO L267 ElimStorePlain]: Start of recursive call 41: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:32,793 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 472 treesize of output 434 [2018-12-01 22:56:32,800 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:32,803 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:32,812 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:32,826 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:32,827 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 320 treesize of output 407 [2018-12-01 22:56:32,827 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:32,910 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 23 treesize of output 1 [2018-12-01 22:56:32,910 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:32,973 INFO L267 ElimStorePlain]: Start of recursive call 44: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:32,983 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 479 treesize of output 439 [2018-12-01 22:56:32,988 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-12-01 22:56:32,989 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:56:33,080 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:33,081 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:33,089 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:33,103 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:33,103 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 333 treesize of output 382 [2018-12-01 22:56:33,104 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:33,184 INFO L267 ElimStorePlain]: Start of recursive call 47: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:33,195 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 433 treesize of output 395 [2018-12-01 22:56:33,201 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-12-01 22:56:33,202 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:56:33,282 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:33,283 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:33,291 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:33,307 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:33,308 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 321 treesize of output 404 [2018-12-01 22:56:33,308 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:33,369 INFO L267 ElimStorePlain]: Start of recursive call 50: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:33,378 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 472 treesize of output 434 [2018-12-01 22:56:33,382 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-12-01 22:56:33,383 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:56:33,457 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:33,459 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:33,467 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:33,481 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:33,481 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 318 treesize of output 367 [2018-12-01 22:56:33,482 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:33,553 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:33,560 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 439 treesize of output 403 [2018-12-01 22:56:33,566 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:33,568 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:33,576 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:33,590 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:33,591 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 305 treesize of output 358 [2018-12-01 22:56:33,592 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:33,660 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 23 treesize of output 1 [2018-12-01 22:56:33,660 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:33,713 INFO L267 ElimStorePlain]: Start of recursive call 56: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:34,170 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-12-01 22:56:34,182 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,183 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:34,188 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,192 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,196 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,214 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,217 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,315 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:34,328 INFO L303 Elim1Store]: Index analysis took 156 ms [2018-12-01 22:56:34,329 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 606 treesize of output 690 [2018-12-01 22:56:34,337 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:34,357 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 229 treesize of output 130 [2018-12-01 22:56:34,358 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:34,480 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,482 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,484 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,487 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,495 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,497 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,508 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,520 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,520 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 580 treesize of output 551 [2018-12-01 22:56:34,545 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:34,639 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 408 treesize of output 462 [2018-12-01 22:56:34,645 INFO L267 ElimStorePlain]: Start of recursive call 62: 12 dim-0 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts. [2018-12-01 22:56:35,090 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-12-01 22:56:35,597 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 516 treesize of output 472 [2018-12-01 22:56:35,604 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:35,606 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:35,615 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:35,628 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:35,629 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 347 treesize of output 430 [2018-12-01 22:56:35,629 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:35,711 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 22 treesize of output 14 [2018-12-01 22:56:35,711 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:35,772 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:35,780 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 523 treesize of output 477 [2018-12-01 22:56:35,784 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2018-12-01 22:56:35,785 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:56:35,860 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:35,862 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:35,868 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:35,877 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:35,877 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 358 treesize of output 441 [2018-12-01 22:56:35,878 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:35,959 INFO L267 ElimStorePlain]: Start of recursive call 66: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:35,966 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 516 treesize of output 472 [2018-12-01 22:56:35,973 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:35,975 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:35,984 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:35,996 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:35,996 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 347 treesize of output 430 [2018-12-01 22:56:35,997 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:36,075 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 33 treesize of output 25 [2018-12-01 22:56:36,076 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:36,143 INFO L267 ElimStorePlain]: Start of recursive call 69: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:36,151 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 509 treesize of output 467 [2018-12-01 22:56:36,156 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2018-12-01 22:56:36,156 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:56:36,255 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:36,257 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:36,264 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:36,275 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:36,275 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 328 treesize of output 407 [2018-12-01 22:56:36,276 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:36,360 INFO L267 ElimStorePlain]: Start of recursive call 72: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:36,370 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 490 treesize of output 446 [2018-12-01 22:56:36,377 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:36,379 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:36,388 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:36,404 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:36,404 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 347 treesize of output 430 [2018-12-01 22:56:36,405 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:36,484 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 23 treesize of output 1 [2018-12-01 22:56:36,484 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:36,541 INFO L267 ElimStorePlain]: Start of recursive call 75: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:36,548 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 483 treesize of output 441 [2018-12-01 22:56:36,554 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:36,556 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:36,563 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:36,573 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:36,574 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 332 treesize of output 413 [2018-12-01 22:56:36,574 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:36,655 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 36 treesize of output 28 [2018-12-01 22:56:36,656 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:36,714 INFO L267 ElimStorePlain]: Start of recursive call 78: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:36,722 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 477 treesize of output 433 [2018-12-01 22:56:36,726 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2018-12-01 22:56:36,727 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:56:36,796 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:36,797 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:36,805 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:36,817 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:36,818 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 346 treesize of output 427 [2018-12-01 22:56:36,819 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:36,890 INFO L267 ElimStorePlain]: Start of recursive call 81: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,499 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 492 treesize of output 446 [2018-12-01 22:56:37,503 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 93 treesize of output 96 [2018-12-01 22:56:37,504 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,567 INFO L267 ElimStorePlain]: Start of recursive call 84: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,573 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 466 treesize of output 420 [2018-12-01 22:56:37,577 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 91 treesize of output 94 [2018-12-01 22:56:37,578 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,633 INFO L267 ElimStorePlain]: Start of recursive call 86: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,641 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 492 treesize of output 442 [2018-12-01 22:56:37,645 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 110 [2018-12-01 22:56:37,645 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,712 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,718 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 499 treesize of output 447 [2018-12-01 22:56:37,722 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 120 treesize of output 127 [2018-12-01 22:56:37,722 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,784 INFO L267 ElimStorePlain]: Start of recursive call 90: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,790 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 473 treesize of output 463 [2018-12-01 22:56:37,794 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 64 treesize of output 63 [2018-12-01 22:56:37,794 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,854 INFO L267 ElimStorePlain]: Start of recursive call 92: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,860 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 485 treesize of output 441 [2018-12-01 22:56:37,864 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 90 treesize of output 93 [2018-12-01 22:56:37,864 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,930 INFO L267 ElimStorePlain]: Start of recursive call 94: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,936 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 467 treesize of output 423 [2018-12-01 22:56:37,940 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 47 [2018-12-01 22:56:37,941 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:37,992 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:38,446 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-12-01 22:56:39,382 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 20 dim-0 vars, and 14 xjuncts. [2018-12-01 22:56:40,317 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 20 dim-0 vars, and 14 xjuncts. [2018-12-01 22:56:40,330 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:40,339 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:40,346 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:40,347 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:40,351 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:40,365 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:40,366 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:40,369 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:40,530 INFO L303 Elim1Store]: Index analysis took 212 ms [2018-12-01 22:56:40,531 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4852 treesize of output 1699 [2018-12-01 22:56:40,537 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 [2018-12-01 22:56:40,544 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 [2018-12-01 22:56:40,561 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 [2018-12-01 22:56:40,561 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:40,591 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:40,621 INFO L267 ElimStorePlain]: Start of recursive call 99: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:40,908 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:40,912 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:40,924 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:41,010 INFO L303 Elim1Store]: Index analysis took 111 ms [2018-12-01 22:56:41,011 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2105 treesize of output 869 [2018-12-01 22:56:41,537 WARN L180 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 104 [2018-12-01 22:56:41,560 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 2 case distinctions, treesize of input 28 treesize of output 55 [2018-12-01 22:56:41,560 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 2 xjuncts. [2018-12-01 22:56:41,760 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:41,763 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:41,771 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:41,774 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:41,783 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:42,003 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 22:56:42,014 INFO L303 Elim1Store]: Index analysis took 259 ms [2018-12-01 22:56:42,015 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 610 treesize of output 619 [2018-12-01 22:56:42,071 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 102 treesize of output 91 [2018-12-01 22:56:42,072 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 8 xjuncts. [2018-12-01 22:56:42,369 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:42,370 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 86 [2018-12-01 22:56:42,387 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 23 treesize of output 28 [2018-12-01 22:56:42,388 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:42,421 INFO L267 ElimStorePlain]: Start of recursive call 106: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:42,428 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 82 treesize of output 82 [2018-12-01 22:56:42,432 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 9 treesize of output 1 [2018-12-01 22:56:42,432 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:42,462 INFO L267 ElimStorePlain]: Start of recursive call 108: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:42,473 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 84 treesize of output 84 [2018-12-01 22:56:42,478 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 9 treesize of output 1 [2018-12-01 22:56:42,478 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:42,505 INFO L267 ElimStorePlain]: Start of recursive call 110: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:42,513 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 82 treesize of output 82 [2018-12-01 22:56:42,517 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 9 treesize of output 1 [2018-12-01 22:56:42,518 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:42,550 INFO L267 ElimStorePlain]: Start of recursive call 112: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:42,738 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:42,741 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:42,743 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:42,754 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:42,761 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 446 [2018-12-01 22:56:42,766 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 1 [2018-12-01 22:56:42,767 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:42,856 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:42,859 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:42,879 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 36 treesize of output 61 [2018-12-01 22:56:42,880 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:42,965 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:42,966 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 333 treesize of output 300 [2018-12-01 22:56:42,973 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:42,975 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:56:43,176 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:56:43,177 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_36 input size 25 context size 25 output size 25 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.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) 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) [2018-12-01 22:56:43,181 INFO L168 Benchmark]: Toolchain (without parser) took 124614.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 957.1 MB in the beginning and 1.2 GB in the end (delta: -208.6 MB). Peak memory consumption was 450.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:56:43,181 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:56:43,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:56:43,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.77 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. [2018-12-01 22:56:43,182 INFO L168 Benchmark]: Boogie Preprocessor took 20.93 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. [2018-12-01 22:56:43,183 INFO L168 Benchmark]: RCFGBuilder took 240.57 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:56:43,183 INFO L168 Benchmark]: TraceAbstraction took 124021.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -94.4 MB). Peak memory consumption was 443.9 MB. Max. memory is 11.5 GB. [2018-12-01 22:56:43,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 308.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.77 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 20.93 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 240.57 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 124021.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -94.4 MB). Peak memory consumption was 443.9 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_36 input size 25 context size 25 output size 25 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_36 input size 25 context size 25 output size 25: 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 0.1.23-635dfa2 [2018-12-01 22:56:44,417 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:56:44,418 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:56:44,424 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:56:44,424 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:56:44,425 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:56:44,425 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:56:44,426 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:56:44,427 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:56:44,427 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:56:44,427 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:56:44,428 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:56:44,428 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:56:44,428 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:56:44,429 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:56:44,429 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:56:44,430 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:56:44,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:56:44,431 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:56:44,432 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:56:44,432 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:56:44,433 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:56:44,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:56:44,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:56:44,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:56:44,435 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:56:44,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:56:44,436 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:56:44,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:56:44,436 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:56:44,437 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:56:44,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:56:44,437 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:56:44,437 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:56:44,438 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:56:44,438 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:56:44,438 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-01 22:56:44,445 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:56:44,445 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:56:44,446 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:56:44,446 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:56:44,446 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:56:44,446 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:56:44,447 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 22:56:44,447 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:56:44,447 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:56:44,447 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:56:44,447 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:56:44,447 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:56:44,447 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:56:44,447 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:56:44,447 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 22:56:44,447 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 22:56:44,447 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:56:44,448 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:56:44,448 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:56:44,448 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:56:44,448 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:56:44,448 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:56:44,448 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:56:44,448 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:56:44,448 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:56:44,448 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:56:44,448 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:56:44,448 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:56:44,449 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 22:56:44,449 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:56:44,449 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 22:56:44,449 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 22:56:44,449 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f3e231c5b77f9ab25b28372001f508e3e47c051 [2018-12-01 22:56:44,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:56:44,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:56:44,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:56:44,480 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:56:44,481 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:56:44,481 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/../../sv-benchmarks/c/list-simple/dll2c_append_equal_true-unreach-call_true-valid-memsafety.i [2018-12-01 22:56:44,523 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/data/6ad8896cb/baf0a3fd429941b29e6d76c7848ff89a/FLAG5b415c87e [2018-12-01 22:56:44,954 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:56:44,954 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/sv-benchmarks/c/list-simple/dll2c_append_equal_true-unreach-call_true-valid-memsafety.i [2018-12-01 22:56:44,960 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/data/6ad8896cb/baf0a3fd429941b29e6d76c7848ff89a/FLAG5b415c87e [2018-12-01 22:56:44,969 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/data/6ad8896cb/baf0a3fd429941b29e6d76c7848ff89a [2018-12-01 22:56:44,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:56:44,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:56:44,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:56:44,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:56:44,975 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:56:44,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:56:44" (1/1) ... [2018-12-01 22:56:44,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46be3c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:44, skipping insertion in model container [2018-12-01 22:56:44,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:56:44" (1/1) ... [2018-12-01 22:56:44,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:56:45,000 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:56:45,163 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:56:45,172 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:56:45,247 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:56:45,269 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:56:45,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:45 WrapperNode [2018-12-01 22:56:45,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:56:45,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:56:45,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:56:45,270 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:56:45,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:45" (1/1) ... [2018-12-01 22:56:45,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:45" (1/1) ... [2018-12-01 22:56:45,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:56:45,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:56:45,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:56:45,289 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:56:45,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:45" (1/1) ... [2018-12-01 22:56:45,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:45" (1/1) ... [2018-12-01 22:56:45,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:45" (1/1) ... [2018-12-01 22:56:45,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:45" (1/1) ... [2018-12-01 22:56:45,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:45" (1/1) ... [2018-12-01 22:56:45,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:45" (1/1) ... [2018-12-01 22:56:45,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:45" (1/1) ... [2018-12-01 22:56:45,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:56:45,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:56:45,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:56:45,311 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:56:45,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:56:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2018-12-01 22:56:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2018-12-01 22:56:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2018-12-01 22:56:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2018-12-01 22:56:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 22:56:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 22:56:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2018-12-01 22:56:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2018-12-01 22:56:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:56:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:56:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:56:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:56:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 22:56:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_append [2018-12-01 22:56:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_append [2018-12-01 22:56:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 22:56:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2018-12-01 22:56:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2018-12-01 22:56:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 22:56:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 22:56:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 22:56:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:56:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:56:45,767 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:56:45,767 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-12-01 22:56:45,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:56:45 BoogieIcfgContainer [2018-12-01 22:56:45,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:56:45,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:56:45,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:56:45,769 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:56:45,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:56:44" (1/3) ... [2018-12-01 22:56:45,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd3684d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:56:45, skipping insertion in model container [2018-12-01 22:56:45,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:56:45" (2/3) ... [2018-12-01 22:56:45,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd3684d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:56:45, skipping insertion in model container [2018-12-01 22:56:45,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:56:45" (3/3) ... [2018-12-01 22:56:45,771 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_append_equal_true-unreach-call_true-valid-memsafety.i [2018-12-01 22:56:45,777 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:56:45,781 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:56:45,789 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:56:45,805 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 22:56:45,806 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:56:45,806 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:56:45,806 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:56:45,806 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:56:45,806 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:56:45,806 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:56:45,806 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:56:45,806 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:56:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-12-01 22:56:45,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 22:56:45,819 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:56:45,819 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:56:45,821 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:56:45,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:56:45,824 INFO L82 PathProgramCache]: Analyzing trace with hash -800595804, now seen corresponding path program 1 times [2018-12-01 22:56:45,826 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 22:56:45,827 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/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 [2018-12-01 22:56:45,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:56:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:56:45,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:56:45,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 22:56:45,921 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 22:56:45,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:56:45,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 22:56:45,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 22:56:45,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 22:56:45,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:56:45,936 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-12-01 22:56:45,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:56:45,951 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2018-12-01 22:56:45,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 22:56:45,952 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 36 [2018-12-01 22:56:45,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:56:45,957 INFO L225 Difference]: With dead ends: 93 [2018-12-01 22:56:45,957 INFO L226 Difference]: Without dead ends: 39 [2018-12-01 22:56:45,960 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:56:45,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-12-01 22:56:45,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-12-01 22:56:45,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-01 22:56:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2018-12-01 22:56:45,984 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 36 [2018-12-01 22:56:45,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:56:45,985 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2018-12-01 22:56:45,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 22:56:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2018-12-01 22:56:45,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 22:56:45,987 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:56:45,987 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:56:45,987 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:56:45,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:56:45,987 INFO L82 PathProgramCache]: Analyzing trace with hash 746795704, now seen corresponding path program 1 times [2018-12-01 22:56:45,988 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 22:56:45,988 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/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 [2018-12-01 22:56:46,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:56:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:56:46,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:56:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:56:46,091 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 22:56:46,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:56:46,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:56:46,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:56:46,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:56:46,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:56:46,094 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand 5 states. [2018-12-01 22:56:46,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:56:46,133 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2018-12-01 22:56:46,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 22:56:46,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2018-12-01 22:56:46,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:56:46,135 INFO L225 Difference]: With dead ends: 68 [2018-12-01 22:56:46,135 INFO L226 Difference]: Without dead ends: 44 [2018-12-01 22:56:46,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:56:46,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-01 22:56:46,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2018-12-01 22:56:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-01 22:56:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2018-12-01 22:56:46,140 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 36 [2018-12-01 22:56:46,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:56:46,140 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2018-12-01 22:56:46,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:56:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-12-01 22:56:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 22:56:46,141 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:56:46,141 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:56:46,141 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:56:46,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:56:46,142 INFO L82 PathProgramCache]: Analyzing trace with hash -573414004, now seen corresponding path program 1 times [2018-12-01 22:56:46,142 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 22:56:46,142 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/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 [2018-12-01 22:56:46,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:56:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:56:46,317 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:56:46,366 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 10 [2018-12-01 22:56:46,369 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 [2018-12-01 22:56:46,369 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:46,371 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:46,376 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:46,376 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-12-01 22:56:48,551 WARN L180 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 65 [2018-12-01 22:56:48,555 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:56:48,676 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:56:51,223 INFO L303 Elim1Store]: Index analysis took 155 ms [2018-12-01 22:56:51,224 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 23 treesize of output 18 [2018-12-01 22:56:51,627 INFO L303 Elim1Store]: Index analysis took 402 ms [2018-12-01 22:56:51,627 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 7 [2018-12-01 22:56:51,628 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:51,707 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:53,666 INFO L303 Elim1Store]: Index analysis took 218 ms [2018-12-01 22:56:53,666 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2018-12-01 22:56:53,690 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 [2018-12-01 22:56:53,711 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 [2018-12-01 22:56:53,711 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:53,811 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:54,102 INFO L303 Elim1Store]: Index analysis took 138 ms [2018-12-01 22:56:54,103 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 27 [2018-12-01 22:56:54,115 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 [2018-12-01 22:56:54,116 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:54,217 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:54,527 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:54,564 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2018-12-01 22:56:54,573 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 27 treesize of output 26 [2018-12-01 22:56:54,598 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 26 treesize of output 26 [2018-12-01 22:56:54,599 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:54,665 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:54,981 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 26 treesize of output 22 [2018-12-01 22:56:55,011 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 19 treesize of output 22 [2018-12-01 22:56:55,012 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:55,071 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:55,495 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:56,107 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2018-12-01 22:56:56,160 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 [2018-12-01 22:56:56,161 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:56,354 INFO L303 Elim1Store]: Index analysis took 106 ms [2018-12-01 22:56:56,377 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-12-01 22:56:56,384 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 31 treesize of output 19 [2018-12-01 22:56:56,384 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:56,609 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 4 case distinctions, treesize of input 26 treesize of output 26 [2018-12-01 22:56:56,610 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 4 xjuncts. [2018-12-01 22:56:56,805 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 22:56:56,952 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-01 22:56:57,231 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2018-12-01 22:56:57,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2018-12-01 22:56:57,240 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2018-12-01 22:56:57,241 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,251 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,281 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 27 [2018-12-01 22:56:57,284 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-12-01 22:56:57,285 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,295 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,309 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,318 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2018-12-01 22:56:57,323 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 27 treesize of output 26 [2018-12-01 22:56:57,328 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 26 treesize of output 26 [2018-12-01 22:56:57,328 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,347 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,381 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 26 treesize of output 22 [2018-12-01 22:56:57,392 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 19 treesize of output 22 [2018-12-01 22:56:57,392 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,404 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,419 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 5 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-01 22:56:57,489 INFO L202 ElimStorePlain]: Needed 30 recursive calls to eliminate 6 variables, input treesize:119, output treesize:171 [2018-12-01 22:56:57,699 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 33 [2018-12-01 22:56:57,704 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 19 treesize of output 12 [2018-12-01 22:56:57,705 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,721 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 [2018-12-01 22:56:57,721 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,728 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,752 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 37 [2018-12-01 22:56:57,755 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 33 treesize of output 19 [2018-12-01 22:56:57,755 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,775 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 19 treesize of output 12 [2018-12-01 22:56:57,775 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,790 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 22 treesize of output 7 [2018-12-01 22:56:57,790 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,794 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,799 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,799 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:90, output treesize:16 [2018-12-01 22:56:57,827 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 11 [2018-12-01 22:56:57,829 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 [2018-12-01 22:56:57,829 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,833 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,836 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:56:57,836 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:9 [2018-12-01 22:56:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:56:57,864 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 22:56:57,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:56:57,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-01 22:56:57,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-01 22:56:57,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-01 22:56:57,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-12-01 22:56:57,867 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 12 states. [2018-12-01 22:57:02,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:57:02,284 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2018-12-01 22:57:02,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 22:57:02,285 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 46 [2018-12-01 22:57:02,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:57:02,286 INFO L225 Difference]: With dead ends: 54 [2018-12-01 22:57:02,286 INFO L226 Difference]: Without dead ends: 52 [2018-12-01 22:57:02,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-12-01 22:57:02,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-01 22:57:02,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 45. [2018-12-01 22:57:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-01 22:57:02,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2018-12-01 22:57:02,291 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 46 [2018-12-01 22:57:02,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:57:02,291 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2018-12-01 22:57:02,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-01 22:57:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2018-12-01 22:57:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 22:57:02,292 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:57:02,292 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:57:02,292 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:57:02,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:57:02,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1201593358, now seen corresponding path program 1 times [2018-12-01 22:57:02,293 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 22:57:02,293 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbad8472-35b3-4a13-8749-5cd1fe4f928b/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-01 22:57:02,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:57:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:57:02,793 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:57:02,796 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 6 treesize of output 5 [2018-12-01 22:57:02,796 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 22:57:02,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:02,800 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-12-01 22:57:02,904 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 10 [2018-12-01 22:57:02,906 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 [2018-12-01 22:57:02,906 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 22:57:02,908 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:02,916 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:02,916 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-12-01 22:57:03,002 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 23 treesize of output 18 [2018-12-01 22:57:03,008 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:57:03,010 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 12 [2018-12-01 22:57:03,011 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 22:57:03,017 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:03,043 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 8 [2018-12-01 22:57:03,046 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 [2018-12-01 22:57:03,046 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 22:57:03,048 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:03,065 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:03,066 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:43 [2018-12-01 22:57:03,121 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:57:03,134 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2018-12-01 22:57:03,138 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-12-01 22:57:03,139 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 22:57:03,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:03,189 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:57:03,200 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2018-12-01 22:57:03,203 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 [2018-12-01 22:57:03,204 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 22:57:03,213 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:03,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:03,237 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:72, output treesize:55 [2018-12-01 22:57:03,887 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:03,902 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:04,083 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:57:04,118 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 67 [2018-12-01 22:57:04,130 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 11 [2018-12-01 22:57:04,130 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 22:57:04,191 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:57:04,239 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 64 [2018-12-01 22:57:04,248 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:57:04,255 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 32 treesize of output 49 [2018-12-01 22:57:04,255 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-01 22:57:04,276 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:04,290 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:04,347 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:57:04,365 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 104 [2018-12-01 22:57:04,376 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 0 case distinctions, treesize of input 31 treesize of output 32 [2018-12-01 22:57:04,376 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-01 22:57:04,420 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:57:04,434 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 77 [2018-12-01 22:57:04,439 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:57:04,440 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 97 [2018-12-01 22:57:04,440 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-01 22:57:04,469 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:04,500 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:04,537 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:04,537 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:163, output treesize:82 [2018-12-01 22:57:04,749 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:57:04,751 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:57:04,754 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 22:57:04,754 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 33 treesize of output 52 [2018-12-01 22:57:04,759 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 32 treesize of output 46 [2018-12-01 22:57:04,759 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 22:57:04,776 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 22:57:04,816 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:04,816 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:86, output treesize:85 [2018-12-01 22:57:05,297 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:05,367 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:05,583 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:05,612 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:05,770 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:05,771 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:110, output treesize:84 [2018-12-01 22:57:08,240 WARN L180 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 45 [2018-12-01 22:57:10,905 WARN L180 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 49 [2018-12-01 22:57:13,883 WARN L180 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 49 [2018-12-01 22:57:13,889 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:22,120 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:34,009 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:35,876 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:45,124 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:47,223 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:53,894 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:57:55,989 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:58:04,600 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:58:13,913 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 22:58:21,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 5 dim-2 vars, End of recursive call: 10 dim-0 vars, and 1 xjuncts. [2018-12-01 22:58:21,374 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 10 variables, input treesize:3009, output treesize:10942 [2018-12-01 22:58:47,502 WARN L180 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-12-01 23:03:00,661 WARN L180 SmtUtils]: Spent 4.22 m on a formula simplification. DAG size of input: 754 DAG size of output: 133 [2018-12-01 23:03:03,855 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:03:05,244 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:03:05,901 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:03:07,394 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:03:07,395 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:03:07,396 INFO L303 Elim1Store]: Index analysis took 6734 ms [2018-12-01 23:03:07,397 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 38 treesize of output 61 [2018-12-01 23:03:07,398 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 23:03:37,101 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:03:38,144 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:03:48,199 INFO L303 Elim1Store]: Index analysis took 13002 ms [2018-12-01 23:03:48,200 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2900 treesize of output 2990 [2018-12-01 23:03:52,286 WARN L180 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 109 [2018-12-01 23:03:54,081 INFO L303 Elim1Store]: Index analysis took 1794 ms [2018-12-01 23:03:54,082 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 [2018-12-01 23:03:57,989 INFO L303 Elim1Store]: Index analysis took 3906 ms [2018-12-01 23:03:57,990 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 [2018-12-01 23:04:06,146 INFO L303 Elim1Store]: Index analysis took 8155 ms [2018-12-01 23:04:06,146 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 [2018-12-01 23:04:06,147 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-01 23:04:13,675 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 23:04:23,709 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 23:04:42,401 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:04:42,698 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:04:43,717 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:04:43,718 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:04:48,257 INFO L303 Elim1Store]: Index analysis took 7340 ms [2018-12-01 23:04:48,258 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2681 treesize of output 2848 [2018-12-01 23:04:53,412 WARN L180 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2018-12-01 23:04:53,674 INFO L303 Elim1Store]: Index analysis took 261 ms [2018-12-01 23:04:53,675 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2018-12-01 23:04:53,675 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-01 23:05:06,544 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:05:06,781 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:05:07,157 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:05:12,024 INFO L303 Elim1Store]: Index analysis took 5981 ms [2018-12-01 23:05:12,025 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2549 treesize of output 3692 [2018-12-01 23:05:16,275 INFO L303 Elim1Store]: Index analysis took 4249 ms [2018-12-01 23:05:16,276 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 27 treesize of output 24 [2018-12-01 23:05:19,791 INFO L303 Elim1Store]: Index analysis took 3513 ms [2018-12-01 23:05:19,791 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-12-01 23:05:19,791 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-01 23:05:22,424 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 23:05:26,734 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:05:27,367 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:05:27,732 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:05:33,529 INFO L303 Elim1Store]: Index analysis took 7209 ms [2018-12-01 23:05:33,529 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 3041 treesize of output 3160 [2018-12-01 23:05:33,753 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:05:34,792 INFO L303 Elim1Store]: Index analysis took 1261 ms [2018-12-01 23:05:34,792 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 1938 treesize of output 972 [2018-12-01 23:05:34,793 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-01 23:05:38,353 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 23:05:40,643 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 23:05:42,269 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 23:05:46,141 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-01 23:05:55,676 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:05:55,965 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:05:55,965 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:05:56,269 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:05:56,270 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:05:58,702 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:06:06,917 INFO L303 Elim1Store]: Index analysis took 11640 ms [2018-12-01 23:06:06,918 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 5522 treesize of output 2197 [2018-12-01 23:06:34,036 WARN L180 SmtUtils]: Spent 27.12 s on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2018-12-01 23:06:34,136 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 [2018-12-01 23:06:34,394 INFO L303 Elim1Store]: Index analysis took 257 ms [2018-12-01 23:06:34,395 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 [2018-12-01 23:06:35,288 INFO L303 Elim1Store]: Index analysis took 892 ms [2018-12-01 23:06:35,288 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 [2018-12-01 23:06:35,288 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-01 23:06:36,727 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 23:06:37,839 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 23:06:42,258 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:06:42,359 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:06:42,635 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:06:42,635 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:06:42,717 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:06:45,727 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:06:47,411 INFO L303 Elim1Store]: Index analysis took 5662 ms [2018-12-01 23:06:47,412 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 2139 treesize of output 1588 [2018-12-01 23:07:02,154 WARN L180 SmtUtils]: Spent 14.74 s on a formula simplification. DAG size of input: 168 DAG size of output: 101 [2018-12-01 23:07:02,440 INFO L303 Elim1Store]: Index analysis took 284 ms [2018-12-01 23:07:02,492 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 2 case distinctions, treesize of input 28 treesize of output 43 [2018-12-01 23:07:02,492 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-12-01 23:07:06,196 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:06,226 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:06,227 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:07:06,312 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:06,453 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:06,872 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:06,941 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:07,506 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:07,694 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:08,947 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:07:08,948 INFO L303 Elim1Store]: Index analysis took 2820 ms [2018-12-01 23:07:08,949 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 1401 treesize of output 1416 [2018-12-01 23:07:09,234 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:09,262 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:09,797 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:07:09,800 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:07:10,484 INFO L303 Elim1Store]: Index analysis took 1531 ms [2018-12-01 23:07:10,547 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 271 treesize of output 183 [2018-12-01 23:07:10,549 INFO L267 ElimStorePlain]: Start of recursive call 21: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-12-01 23:07:14,345 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:14,373 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:14,494 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:14,660 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:15,117 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 23:07:15,118 INFO L303 Elim1Store]: Index analysis took 848 ms [2018-12-01 23:07:15,119 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 1408 treesize of output 1186 [2018-12-01 23:07:15,196 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 [2018-12-01 23:07:15,196 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-01 23:07:18,076 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:07:18,077 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:07:18,078 INFO L683 Elim1Store]: detected equality via solver [2018-12-01 23:07:18,079 INFO L303 Elim1Store]: Index analysis took 118 ms [2018-12-01 23:07:18,080 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1034 treesize of output 1040 [2018-12-01 23:07:18,345 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-01 23:07:18,346 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_26 input size 33 context size 33 output size 33 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.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) 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) [2018-12-01 23:07:18,349 INFO L168 Benchmark]: Toolchain (without parser) took 633377.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 939.3 MB in the beginning and 885.3 MB in the end (delta: 54.0 MB). Peak memory consumption was 335.6 MB. Max. memory is 11.5 GB. [2018-12-01 23:07:18,350 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 23:07:18,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -206.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-12-01 23:07:18,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.37 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. [2018-12-01 23:07:18,352 INFO L168 Benchmark]: Boogie Preprocessor took 22.20 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. [2018-12-01 23:07:18,352 INFO L168 Benchmark]: RCFGBuilder took 456.13 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: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-12-01 23:07:18,353 INFO L168 Benchmark]: TraceAbstraction took 632581.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.9 MB). Free memory was 1.1 GB in the beginning and 885.3 MB in the end (delta: 216.1 MB). Peak memory consumption was 332.6 MB. Max. memory is 11.5 GB. [2018-12-01 23:07:18,355 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -206.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.37 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 22.20 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 456.13 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: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 632581.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.9 MB). Free memory was 1.1 GB in the beginning and 885.3 MB in the end (delta: 216.1 MB). Peak memory consumption was 332.6 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_26 input size 33 context size 33 output size 33 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_26 input size 33 context size 33 output size 33: 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...