./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e11c684160c36739b32009d12dfc0b40146d3c7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e11c684160c36739b32009d12dfc0b40146d3c7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_21 term size 24 --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:34:58,552 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:34:58,554 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:34:58,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:34:58,563 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:34:58,564 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:34:58,565 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:34:58,567 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:34:58,568 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:34:58,568 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:34:58,569 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:34:58,569 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:34:58,570 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:34:58,570 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:34:58,571 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:34:58,571 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:34:58,572 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:34:58,573 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:34:58,574 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:34:58,575 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:34:58,576 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:34:58,577 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:34:58,579 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:34:58,579 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:34:58,579 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:34:58,580 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:34:58,581 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:34:58,581 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:34:58,582 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:34:58,583 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:34:58,583 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:34:58,583 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:34:58,584 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:34:58,584 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:34:58,584 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:34:58,584 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:34:58,585 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 13:34:58,595 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:34:58,595 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:34:58,596 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:34:58,596 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:34:58,596 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:34:58,597 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:34:58,597 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 13:34:58,597 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:34:58,597 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 13:34:58,597 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 13:34:58,597 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:34:58,598 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:34:58,598 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:34:58,598 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:34:58,598 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:34:58,599 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:34:58,599 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:34:58,599 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:34:58,599 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:34:58,599 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:34:58,599 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:34:58,602 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:34:58,602 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:34:58,602 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:34:58,602 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:34:58,602 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:34:58,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:34:58,603 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:34:58,603 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:34:58,603 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:34:58,603 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 13:34:58,603 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:34:58,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:34:58,603 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 13:34:58,604 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan 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 -> Taipan 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 -> 0e11c684160c36739b32009d12dfc0b40146d3c7 [2018-11-10 13:34:58,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:34:58,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:34:58,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:34:58,645 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:34:58,645 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:34:58,646 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-11-10 13:34:58,700 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/data/002346b09/5f31c5ca57714e59abde1c261c59ee65/FLAG60bea13fd [2018-11-10 13:34:59,113 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:34:59,115 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-11-10 13:34:59,127 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/data/002346b09/5f31c5ca57714e59abde1c261c59ee65/FLAG60bea13fd [2018-11-10 13:34:59,138 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/data/002346b09/5f31c5ca57714e59abde1c261c59ee65 [2018-11-10 13:34:59,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:34:59,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:34:59,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:34:59,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:34:59,144 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:34:59,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:34:59" (1/1) ... [2018-11-10 13:34:59,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee30321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59, skipping insertion in model container [2018-11-10 13:34:59,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:34:59" (1/1) ... [2018-11-10 13:34:59,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:34:59,192 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:34:59,489 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:34:59,498 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:34:59,602 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:34:59,681 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:34:59,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59 WrapperNode [2018-11-10 13:34:59,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:34:59,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:34:59,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:34:59,683 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:34:59,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59" (1/1) ... [2018-11-10 13:34:59,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59" (1/1) ... [2018-11-10 13:34:59,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:34:59,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:34:59,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:34:59,738 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:34:59,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59" (1/1) ... [2018-11-10 13:34:59,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59" (1/1) ... [2018-11-10 13:34:59,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59" (1/1) ... [2018-11-10 13:34:59,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59" (1/1) ... [2018-11-10 13:34:59,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59" (1/1) ... [2018-11-10 13:34:59,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59" (1/1) ... [2018-11-10 13:34:59,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59" (1/1) ... [2018-11-10 13:34:59,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:34:59,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:34:59,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:34:59,785 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:34:59,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:34:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2018-11-10 13:34:59,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2018-11-10 13:34:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2018-11-10 13:34:59,836 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-11-10 13:34:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2018-11-10 13:34:59,836 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2018-11-10 13:34:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:34:59,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:34:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2018-11-10 13:34:59,836 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2018-11-10 13:34:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2018-11-10 13:34:59,837 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-11-10 13:34:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2018-11-10 13:34:59,837 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-11-10 13:34:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2018-11-10 13:34:59,837 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2018-11-10 13:34:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-10 13:34:59,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-10 13:34:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-11-10 13:34:59,838 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-11-10 13:34:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-10 13:34:59,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2018-11-10 13:34:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:34:59,838 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:34:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-10 13:34:59,838 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-10 13:34:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2018-11-10 13:34:59,839 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2018-11-10 13:34:59,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:34:59,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:35:00,358 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:35:00,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:35:00 BoogieIcfgContainer [2018-11-10 13:35:00,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:35:00,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:35:00,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:35:00,362 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:35:00,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:34:59" (1/3) ... [2018-11-10 13:35:00,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30cda143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:35:00, skipping insertion in model container [2018-11-10 13:35:00,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:59" (2/3) ... [2018-11-10 13:35:00,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30cda143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:35:00, skipping insertion in model container [2018-11-10 13:35:00,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:35:00" (3/3) ... [2018-11-10 13:35:00,366 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-11-10 13:35:00,373 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:35:00,380 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:35:00,391 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:35:00,417 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:35:00,417 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:35:00,417 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:35:00,417 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:35:00,417 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:35:00,417 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:35:00,418 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:35:00,418 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:35:00,435 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-11-10 13:35:00,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 13:35:00,441 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:35:00,441 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:35:00,443 INFO L424 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:35:00,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:35:00,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1217746547, now seen corresponding path program 1 times [2018-11-10 13:35:00,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:35:00,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:00,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:35:00,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:00,488 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:35:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:35:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:35:00,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:35:00,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:35:00,572 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:35:00,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 13:35:00,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 13:35:00,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:35:00,592 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-11-10 13:35:00,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:35:00,634 INFO L93 Difference]: Finished difference Result 300 states and 471 transitions. [2018-11-10 13:35:00,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:35:00,635 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-11-10 13:35:00,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:35:00,645 INFO L225 Difference]: With dead ends: 300 [2018-11-10 13:35:00,645 INFO L226 Difference]: Without dead ends: 139 [2018-11-10 13:35:00,650 INFO L605 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 [2018-11-10 13:35:00,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-10 13:35:00,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-10 13:35:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-10 13:35:00,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 160 transitions. [2018-11-10 13:35:00,689 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 160 transitions. Word has length 15 [2018-11-10 13:35:00,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:35:00,689 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 160 transitions. [2018-11-10 13:35:00,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 13:35:00,689 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 160 transitions. [2018-11-10 13:35:00,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 13:35:00,691 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:35:00,691 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:35:00,691 INFO L424 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:35:00,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:35:00,692 INFO L82 PathProgramCache]: Analyzing trace with hash -483005412, now seen corresponding path program 1 times [2018-11-10 13:35:00,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:35:00,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:00,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:35:00,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:00,694 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:35:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:35:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:35:00,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:35:00,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 13:35:00,820 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:35:00,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 13:35:00,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 13:35:00,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 13:35:00,823 INFO L87 Difference]: Start difference. First operand 139 states and 160 transitions. Second operand 5 states. [2018-11-10 13:35:01,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:35:01,007 INFO L93 Difference]: Finished difference Result 141 states and 161 transitions. [2018-11-10 13:35:01,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 13:35:01,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-11-10 13:35:01,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:35:01,010 INFO L225 Difference]: With dead ends: 141 [2018-11-10 13:35:01,010 INFO L226 Difference]: Without dead ends: 138 [2018-11-10 13:35:01,011 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-10 13:35:01,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-10 13:35:01,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-10 13:35:01,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-10 13:35:01,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 158 transitions. [2018-11-10 13:35:01,026 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 158 transitions. Word has length 35 [2018-11-10 13:35:01,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:35:01,028 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 158 transitions. [2018-11-10 13:35:01,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 13:35:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2018-11-10 13:35:01,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 13:35:01,030 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:35:01,030 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:35:01,033 INFO L424 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:35:01,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:35:01,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1326671008, now seen corresponding path program 1 times [2018-11-10 13:35:01,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:35:01,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:01,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:35:01,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:01,036 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:35:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:35:01,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:35:01,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:35:01,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-10 13:35:01,279 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:35:01,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-10 13:35:01,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-10 13:35:01,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-11-10 13:35:01,280 INFO L87 Difference]: Start difference. First operand 138 states and 158 transitions. Second operand 14 states. [2018-11-10 13:35:02,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:35:02,437 INFO L93 Difference]: Finished difference Result 250 states and 292 transitions. [2018-11-10 13:35:02,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-10 13:35:02,438 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2018-11-10 13:35:02,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:35:02,441 INFO L225 Difference]: With dead ends: 250 [2018-11-10 13:35:02,441 INFO L226 Difference]: Without dead ends: 244 [2018-11-10 13:35:02,442 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2018-11-10 13:35:02,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-11-10 13:35:02,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 216. [2018-11-10 13:35:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-11-10 13:35:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 254 transitions. [2018-11-10 13:35:02,465 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 254 transitions. Word has length 38 [2018-11-10 13:35:02,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:35:02,465 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 254 transitions. [2018-11-10 13:35:02,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-10 13:35:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 254 transitions. [2018-11-10 13:35:02,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 13:35:02,466 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:35:02,466 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:35:02,466 INFO L424 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:35:02,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:35:02,467 INFO L82 PathProgramCache]: Analyzing trace with hash -804495318, now seen corresponding path program 1 times [2018-11-10 13:35:02,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:35:02,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:02,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:35:02,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:02,469 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:35:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:35:02,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:35:02,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:35:02,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-10 13:35:02,816 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:35:02,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-10 13:35:02,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-10 13:35:02,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2018-11-10 13:35:02,817 INFO L87 Difference]: Start difference. First operand 216 states and 254 transitions. Second operand 15 states. [2018-11-10 13:35:04,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:35:04,389 INFO L93 Difference]: Finished difference Result 355 states and 425 transitions. [2018-11-10 13:35:04,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-10 13:35:04,390 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2018-11-10 13:35:04,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:35:04,392 INFO L225 Difference]: With dead ends: 355 [2018-11-10 13:35:04,392 INFO L226 Difference]: Without dead ends: 352 [2018-11-10 13:35:04,393 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2018-11-10 13:35:04,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-11-10 13:35:04,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 317. [2018-11-10 13:35:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-11-10 13:35:04,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 380 transitions. [2018-11-10 13:35:04,427 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 380 transitions. Word has length 41 [2018-11-10 13:35:04,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:35:04,428 INFO L481 AbstractCegarLoop]: Abstraction has 317 states and 380 transitions. [2018-11-10 13:35:04,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-10 13:35:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 380 transitions. [2018-11-10 13:35:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 13:35:04,429 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:35:04,429 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:35:04,429 INFO L424 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:35:04,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:35:04,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1704057548, now seen corresponding path program 1 times [2018-11-10 13:35:04,430 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:35:04,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:04,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:35:04,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:04,434 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:35:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:35:04,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:35:04,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:35:04,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-10 13:35:04,841 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:35:04,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-10 13:35:04,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-10 13:35:04,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2018-11-10 13:35:04,842 INFO L87 Difference]: Start difference. First operand 317 states and 380 transitions. Second operand 15 states. [2018-11-10 13:35:06,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:35:06,202 INFO L93 Difference]: Finished difference Result 354 states and 423 transitions. [2018-11-10 13:35:06,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-10 13:35:06,202 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 45 [2018-11-10 13:35:06,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:35:06,204 INFO L225 Difference]: With dead ends: 354 [2018-11-10 13:35:06,204 INFO L226 Difference]: Without dead ends: 351 [2018-11-10 13:35:06,205 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2018-11-10 13:35:06,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-11-10 13:35:06,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 317. [2018-11-10 13:35:06,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-11-10 13:35:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 379 transitions. [2018-11-10 13:35:06,238 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 379 transitions. Word has length 45 [2018-11-10 13:35:06,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:35:06,239 INFO L481 AbstractCegarLoop]: Abstraction has 317 states and 379 transitions. [2018-11-10 13:35:06,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-10 13:35:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 379 transitions. [2018-11-10 13:35:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 13:35:06,240 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:35:06,240 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:35:06,241 INFO L424 AbstractCegarLoop]: === Iteration 6 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:35:06,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:35:06,241 INFO L82 PathProgramCache]: Analyzing trace with hash 730040884, now seen corresponding path program 1 times [2018-11-10 13:35:06,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:35:06,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:06,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:35:06,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:06,243 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:35:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:35:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:35:06,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:35:06,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-11-10 13:35:06,776 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:35:06,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-10 13:35:06,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-10 13:35:06,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-11-10 13:35:06,777 INFO L87 Difference]: Start difference. First operand 317 states and 379 transitions. Second operand 16 states. [2018-11-10 13:35:08,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:35:08,329 INFO L93 Difference]: Finished difference Result 353 states and 421 transitions. [2018-11-10 13:35:08,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-10 13:35:08,330 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 48 [2018-11-10 13:35:08,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:35:08,331 INFO L225 Difference]: With dead ends: 353 [2018-11-10 13:35:08,332 INFO L226 Difference]: Without dead ends: 350 [2018-11-10 13:35:08,332 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=634, Unknown=0, NotChecked=0, Total=756 [2018-11-10 13:35:08,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-11-10 13:35:08,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 317. [2018-11-10 13:35:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-11-10 13:35:08,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 378 transitions. [2018-11-10 13:35:08,362 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 378 transitions. Word has length 48 [2018-11-10 13:35:08,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:35:08,362 INFO L481 AbstractCegarLoop]: Abstraction has 317 states and 378 transitions. [2018-11-10 13:35:08,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-10 13:35:08,362 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 378 transitions. [2018-11-10 13:35:08,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 13:35:08,364 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:35:08,364 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:35:08,364 INFO L424 AbstractCegarLoop]: === Iteration 7 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:35:08,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:35:08,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1256067134, now seen corresponding path program 1 times [2018-11-10 13:35:08,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:35:08,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:08,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:35:08,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:08,366 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:35:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:35:09,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:35:09,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:35:09,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-11-10 13:35:09,005 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:35:09,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-10 13:35:09,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-10 13:35:09,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2018-11-10 13:35:09,006 INFO L87 Difference]: Start difference. First operand 317 states and 378 transitions. Second operand 17 states. [2018-11-10 13:35:10,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:35:10,631 INFO L93 Difference]: Finished difference Result 352 states and 419 transitions. [2018-11-10 13:35:10,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-10 13:35:10,636 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 51 [2018-11-10 13:35:10,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:35:10,638 INFO L225 Difference]: With dead ends: 352 [2018-11-10 13:35:10,638 INFO L226 Difference]: Without dead ends: 349 [2018-11-10 13:35:10,639 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=127, Invalid=685, Unknown=0, NotChecked=0, Total=812 [2018-11-10 13:35:10,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-11-10 13:35:10,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 317. [2018-11-10 13:35:10,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-11-10 13:35:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 377 transitions. [2018-11-10 13:35:10,679 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 377 transitions. Word has length 51 [2018-11-10 13:35:10,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:35:10,680 INFO L481 AbstractCegarLoop]: Abstraction has 317 states and 377 transitions. [2018-11-10 13:35:10,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-10 13:35:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 377 transitions. [2018-11-10 13:35:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 13:35:10,681 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:35:10,681 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:35:10,681 INFO L424 AbstractCegarLoop]: === Iteration 8 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:35:10,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:35:10,682 INFO L82 PathProgramCache]: Analyzing trace with hash 399203020, now seen corresponding path program 1 times [2018-11-10 13:35:10,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:35:10,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:10,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:35:10,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:35:10,683 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:35:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:35:11,773 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 13:35:11,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 13:35:11,773 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 13:35:11,774 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 63 with the following transitions: [2018-11-10 13:35:11,775 INFO L202 CegarAbsIntRunner]: [0], [1], [56], [58], [60], [63], [65], [69], [86], [89], [90], [96], [100], [106], [110], [118], [124], [128], [136], [139], [424], [426], [427], [431], [436], [438], [443], [447], [453], [462], [463], [464], [472], [473], [482], [512], [513], [514], [515], [516], [518], [519] [2018-11-10 13:35:11,818 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 13:35:11,818 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 13:35:12,229 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 13:35:12,230 INFO L272 AbstractInterpreter]: Visited 42 different actions 60 times. Merged at 2 different actions 2 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 44 variables. [2018-11-10 13:35:12,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:35:12,241 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 13:35:12,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 13:35:12,242 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 13:35:12,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:35:12,258 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 13:35:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:35:12,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:35:12,371 INFO L477 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 [2018-11-10 13:35:12,371 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,391 INFO L477 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 16 treesize of output 13 [2018-11-10 13:35:12,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-10 13:35:12,399 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:12,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-10 13:35:12,402 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,415 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,418 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,429 INFO L477 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 16 treesize of output 13 [2018-11-10 13:35:12,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-10 13:35:12,434 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:12,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-10 13:35:12,435 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,440 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,444 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,452 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,452 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:42, output treesize:32 [2018-11-10 13:35:12,490 INFO L477 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 [2018-11-10 13:35:12,490 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,502 INFO L477 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 17 treesize of output 13 [2018-11-10 13:35:12,504 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:12,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-10 13:35:12,505 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,507 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,515 INFO L477 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 7 treesize of output 5 [2018-11-10 13:35:12,517 INFO L477 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 [2018-11-10 13:35:12,517 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,518 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,524 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,524 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:41, output treesize:13 [2018-11-10 13:35:12,582 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:12,583 INFO L477 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 12 treesize of output 5 [2018-11-10 13:35:12,583 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,589 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. [2018-11-10 13:35:12,589 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:15 [2018-11-10 13:35:12,818 INFO L477 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 77 treesize of output 48 [2018-11-10 13:35:12,847 INFO L477 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 [2018-11-10 13:35:12,848 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,906 INFO L477 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 53 [2018-11-10 13:35:12,918 INFO L477 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 47 [2018-11-10 13:35:12,923 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:12,925 INFO L477 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 39 treesize of output 46 [2018-11-10 13:35:12,925 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:12,954 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:12,955 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:12,966 INFO L477 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 2 case distinctions, treesize of input 41 treesize of output 64 [2018-11-10 13:35:12,967 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:13,009 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:13,091 INFO L477 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 42 treesize of output 50 [2018-11-10 13:35:13,094 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:13,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 35 [2018-11-10 13:35:13,097 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:13,107 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:13,192 INFO L477 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 50 [2018-11-10 13:35:13,197 INFO L477 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 41 treesize of output 40 [2018-11-10 13:35:13,198 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:13,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 58 [2018-11-10 13:35:13,242 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:13,243 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:13,254 INFO L477 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 2 case distinctions, treesize of input 46 treesize of output 81 [2018-11-10 13:35:13,255 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:13,318 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:13,319 INFO L477 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 40 treesize of output 53 [2018-11-10 13:35:13,319 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:13,374 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:13,374 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:13,377 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:13,382 INFO L477 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 2 case distinctions, treesize of input 42 treesize of output 69 [2018-11-10 13:35:13,382 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:13,452 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:13,453 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:13,453 INFO L477 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 40 treesize of output 55 [2018-11-10 13:35:13,454 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:13,512 INFO L267 ElimStorePlain]: Start of recursive call 12: 4 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-10 13:35:13,578 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-10 13:35:13,730 INFO L477 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 57 [2018-11-10 13:35:13,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 58 [2018-11-10 13:35:13,744 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:13,777 INFO L477 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 44 treesize of output 49 [2018-11-10 13:35:13,777 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:13,797 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 13:35:13,894 INFO L477 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 39 [2018-11-10 13:35:13,897 INFO L477 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 13 [2018-11-10 13:35:13,897 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:13,906 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:13,912 INFO L477 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 40 treesize of output 37 [2018-11-10 13:35:13,915 INFO L477 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 13 [2018-11-10 13:35:13,915 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:13,927 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:13,968 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-10 13:35:13,985 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 58 [2018-11-10 13:35:13,989 INFO L477 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 47 treesize of output 52 [2018-11-10 13:35:13,992 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:13,994 INFO L477 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 36 treesize of output 46 [2018-11-10 13:35:13,995 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:14,006 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:14,065 INFO L477 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 49 [2018-11-10 13:35:14,069 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:14,070 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:14,081 INFO L477 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 2 case distinctions, treesize of input 43 treesize of output 63 [2018-11-10 13:35:14,082 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:14,126 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:14,128 INFO L477 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 41 treesize of output 45 [2018-11-10 13:35:14,128 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:14,160 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:14,254 INFO L477 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 50 treesize of output 43 [2018-11-10 13:35:14,260 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:14,282 INFO L477 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 27 treesize of output 58 [2018-11-10 13:35:14,283 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 4 xjuncts. [2018-11-10 13:35:14,313 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:14,420 INFO L477 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 41 treesize of output 34 [2018-11-10 13:35:14,422 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:14,435 INFO L477 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 21 treesize of output 43 [2018-11-10 13:35:14,436 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 4 xjuncts. [2018-11-10 13:35:14,466 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:14,469 INFO L477 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 39 treesize of output 32 [2018-11-10 13:35:14,472 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:14,483 INFO L477 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 21 treesize of output 40 [2018-11-10 13:35:14,484 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 4 xjuncts. [2018-11-10 13:35:14,510 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:14,514 INFO L477 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 43 treesize of output 34 [2018-11-10 13:35:14,531 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:14,534 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:14,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 7 case distinctions, treesize of input 28 treesize of output 73 [2018-11-10 13:35:14,563 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 8 xjuncts. [2018-11-10 13:35:14,625 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 13:35:14,852 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-11-10 13:35:14,958 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 11 xjuncts. [2018-11-10 13:35:15,045 INFO L477 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 [2018-11-10 13:35:15,047 INFO L477 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 [2018-11-10 13:35:15,047 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:15,050 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:15,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 9 dim-0 vars, and 9 xjuncts. [2018-11-10 13:35:15,130 INFO L202 ElimStorePlain]: Needed 39 recursive calls to eliminate 4 variables, input treesize:97, output treesize:383 [2018-11-10 13:35:15,325 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-11-10 13:35:15,688 WARN L179 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2018-11-10 13:35:16,111 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 54 [2018-11-10 13:35:16,141 INFO L477 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 128 treesize of output 134 [2018-11-10 13:35:16,146 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,148 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,152 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 165 [2018-11-10 13:35:16,195 INFO L477 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 6 case distinctions, treesize of input 52 treesize of output 129 [2018-11-10 13:35:16,196 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 8 xjuncts. [2018-11-10 13:35:16,299 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 13:35:16,466 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,467 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,468 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,470 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,471 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,472 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,473 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,474 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 158 [2018-11-10 13:35:16,491 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 146 treesize of output 181 [2018-11-10 13:35:16,516 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 8 xjuncts. [2018-11-10 13:35:16,685 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,686 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,688 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,691 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,691 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,693 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:16,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 102 treesize of output 201 [2018-11-10 13:35:16,720 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 16 xjuncts. [2018-11-10 13:35:16,976 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-10 13:35:17,201 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-11-10 13:35:18,167 INFO L477 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 133 treesize of output 135 [2018-11-10 13:35:18,176 INFO L477 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 134 treesize of output 136 [2018-11-10 13:35:18,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 43 [2018-11-10 13:35:18,186 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:18,213 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 13:35:18,291 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:18,292 INFO L477 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 117 treesize of output 123 [2018-11-10 13:35:18,306 INFO L477 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 84 treesize of output 139 [2018-11-10 13:35:18,306 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 4 xjuncts. [2018-11-10 13:35:18,362 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:18,439 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:18,451 INFO L477 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 109 treesize of output 113 [2018-11-10 13:35:18,453 INFO L477 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 110 treesize of output 112 [2018-11-10 13:35:18,456 INFO L477 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 22 treesize of output 15 [2018-11-10 13:35:18,457 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:18,469 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:18,505 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:18,518 INFO L477 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 3 case distinctions, treesize of input 132 treesize of output 129 [2018-11-10 13:35:18,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 135 [2018-11-10 13:35:18,525 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:18,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:18,526 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:18,543 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:18,591 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:18,606 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 119 [2018-11-10 13:35:18,611 INFO L477 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 121 treesize of output 123 [2018-11-10 13:35:18,615 INFO L477 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 22 treesize of output 15 [2018-11-10 13:35:18,615 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:18,631 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:18,688 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:18,701 INFO L477 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 3 case distinctions, treesize of input 128 treesize of output 125 [2018-11-10 13:35:18,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 131 [2018-11-10 13:35:18,706 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:18,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 45 [2018-11-10 13:35:18,708 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:18,728 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:18,776 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:18,790 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 125 [2018-11-10 13:35:18,793 INFO L477 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 129 treesize of output 131 [2018-11-10 13:35:18,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:18,800 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:18,818 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 13:35:18,895 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:18,896 INFO L477 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 108 treesize of output 114 [2018-11-10 13:35:18,912 INFO L477 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 90 treesize of output 91 [2018-11-10 13:35:18,913 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 4 xjuncts. [2018-11-10 13:35:18,965 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:19,042 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:19,057 INFO L477 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 105 treesize of output 109 [2018-11-10 13:35:19,060 INFO L477 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 106 treesize of output 108 [2018-11-10 13:35:19,062 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:19,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:19,063 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,078 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,119 INFO L267 ElimStorePlain]: Start of recursive call 30: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,133 INFO L477 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 117 treesize of output 119 [2018-11-10 13:35:19,136 INFO L477 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 118 treesize of output 120 [2018-11-10 13:35:19,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:19,144 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:19,163 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 13:35:19,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:19,237 INFO L477 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 101 treesize of output 107 [2018-11-10 13:35:19,251 INFO L477 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 84 treesize of output 121 [2018-11-10 13:35:19,252 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 4 xjuncts. [2018-11-10 13:35:19,315 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:19,380 INFO L267 ElimStorePlain]: Start of recursive call 33: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:19,393 INFO L477 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 109 treesize of output 113 [2018-11-10 13:35:19,397 INFO L477 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 110 treesize of output 112 [2018-11-10 13:35:19,399 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:19,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:19,401 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,416 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,481 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,495 INFO L477 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 125 treesize of output 127 [2018-11-10 13:35:19,498 INFO L477 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 126 treesize of output 128 [2018-11-10 13:35:19,501 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:19,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:19,502 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,520 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,592 INFO L267 ElimStorePlain]: Start of recursive call 41: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,610 INFO L477 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 121 treesize of output 123 [2018-11-10 13:35:19,614 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:19,614 INFO L477 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 105 treesize of output 111 [2018-11-10 13:35:19,617 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:19,618 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:19,620 INFO L477 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 86 treesize of output 151 [2018-11-10 13:35:19,620 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,654 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,705 INFO L477 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 114 treesize of output 116 [2018-11-10 13:35:19,707 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:19,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:19,708 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,724 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:19,751 INFO L267 ElimStorePlain]: Start of recursive call 44: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:20,736 INFO L477 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 115 treesize of output 131 [2018-11-10 13:35:20,741 INFO L477 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 116 treesize of output 118 [2018-11-10 13:35:20,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:20,752 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:20,776 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 13:35:20,846 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:20,847 INFO L477 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 113 treesize of output 119 [2018-11-10 13:35:20,859 INFO L477 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 31 treesize of output 54 [2018-11-10 13:35:20,859 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 4 xjuncts. [2018-11-10 13:35:20,890 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:20,956 INFO L267 ElimStorePlain]: Start of recursive call 49: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:21,898 INFO L477 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 114 treesize of output 95 [2018-11-10 13:35:21,901 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 13:35:21,902 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:21,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-11-10 13:35:21,905 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:21,905 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:21,908 INFO L477 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 45 treesize of output 96 [2018-11-10 13:35:21,908 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:21,916 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:21,929 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:21,932 INFO L477 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 103 treesize of output 84 [2018-11-10 13:35:21,934 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 13:35:21,934 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:21,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-11-10 13:35:21,940 INFO L477 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 45 treesize of output 80 [2018-11-10 13:35:21,940 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:21,947 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:21,958 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:21,961 INFO L477 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 115 treesize of output 96 [2018-11-10 13:35:21,963 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 13:35:21,963 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:21,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-11-10 13:35:21,981 INFO L477 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 6 case distinctions, treesize of input 45 treesize of output 80 [2018-11-10 13:35:21,982 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 8 xjuncts. [2018-11-10 13:35:22,017 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 13:35:22,046 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 13:35:22,836 INFO L477 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 121 treesize of output 96 [2018-11-10 13:35:22,839 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:22,840 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:22,843 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:22,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 63 [2018-11-10 13:35:22,866 INFO L477 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 63 treesize of output 108 [2018-11-10 13:35:22,866 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 8 xjuncts. [2018-11-10 13:35:22,926 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 13:35:22,965 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 13:35:23,738 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 106 [2018-11-10 13:35:23,741 INFO L477 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 108 treesize of output 110 [2018-11-10 13:35:23,743 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:23,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:23,745 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:23,760 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:23,800 INFO L267 ElimStorePlain]: Start of recursive call 66: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:23,812 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 116 [2018-11-10 13:35:23,815 INFO L477 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 120 treesize of output 122 [2018-11-10 13:35:23,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:23,823 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:23,848 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 13:35:23,935 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:23,936 INFO L477 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 101 treesize of output 107 [2018-11-10 13:35:23,951 INFO L477 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 82 [2018-11-10 13:35:23,952 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 4 xjuncts. [2018-11-10 13:35:24,006 INFO L267 ElimStorePlain]: Start of recursive call 72: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:24,083 INFO L267 ElimStorePlain]: Start of recursive call 69: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:24,095 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 110 [2018-11-10 13:35:24,098 INFO L477 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 112 treesize of output 114 [2018-11-10 13:35:24,101 INFO L477 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 22 treesize of output 15 [2018-11-10 13:35:24,101 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:24,114 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:24,156 INFO L267 ElimStorePlain]: Start of recursive call 74: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:24,170 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 104 [2018-11-10 13:35:24,173 INFO L477 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 106 treesize of output 108 [2018-11-10 13:35:24,175 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:24,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:24,177 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:24,194 INFO L267 ElimStorePlain]: Start of recursive call 78: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:24,259 INFO L267 ElimStorePlain]: Start of recursive call 77: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:24,893 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 96 [2018-11-10 13:35:24,896 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:24,896 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:24,897 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:24,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 52 [2018-11-10 13:35:24,916 INFO L477 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 52 treesize of output 81 [2018-11-10 13:35:24,916 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 8 xjuncts. [2018-11-10 13:35:24,959 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 13:35:24,990 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 13:35:25,634 INFO L477 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 107 treesize of output 117 [2018-11-10 13:35:25,637 INFO L477 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 108 treesize of output 110 [2018-11-10 13:35:25,639 INFO L477 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 22 treesize of output 15 [2018-11-10 13:35:25,639 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:25,651 INFO L267 ElimStorePlain]: Start of recursive call 84: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:25,705 INFO L267 ElimStorePlain]: Start of recursive call 83: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:25,719 INFO L477 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 115 treesize of output 125 [2018-11-10 13:35:25,721 INFO L477 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 116 treesize of output 118 [2018-11-10 13:35:25,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:25,728 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:25,746 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 13:35:25,804 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:25,805 INFO L477 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 107 treesize of output 113 [2018-11-10 13:35:25,816 INFO L477 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 44 treesize of output 73 [2018-11-10 13:35:25,817 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 4 xjuncts. [2018-11-10 13:35:25,854 INFO L267 ElimStorePlain]: Start of recursive call 89: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:25,912 INFO L267 ElimStorePlain]: Start of recursive call 86: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:25,924 INFO L477 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 103 treesize of output 113 [2018-11-10 13:35:25,927 INFO L477 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 104 treesize of output 106 [2018-11-10 13:35:25,929 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:25,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:25,931 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:25,946 INFO L267 ElimStorePlain]: Start of recursive call 92: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:25,983 INFO L267 ElimStorePlain]: Start of recursive call 91: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:25,996 INFO L477 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 107 treesize of output 117 [2018-11-10 13:35:25,998 INFO L477 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 108 treesize of output 110 [2018-11-10 13:35:26,001 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:26,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 31 [2018-11-10 13:35:26,002 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:26,017 INFO L267 ElimStorePlain]: Start of recursive call 95: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:26,057 INFO L267 ElimStorePlain]: Start of recursive call 94: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:26,645 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 8 dim-2 vars, End of recursive call: and 27 xjuncts. [2018-11-10 13:35:26,646 INFO L202 ElimStorePlain]: Needed 96 recursive calls to eliminate 11 variables, input treesize:480, output treesize:2271 [2018-11-10 13:35:27,325 WARN L179 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 102 [2018-11-10 13:35:27,469 INFO L477 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 79 treesize of output 70 [2018-11-10 13:35:27,470 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:27,939 INFO L477 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 81 treesize of output 72 [2018-11-10 13:35:27,939 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:28,389 INFO L477 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 77 treesize of output 68 [2018-11-10 13:35:28,389 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:28,834 INFO L477 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 94 treesize of output 85 [2018-11-10 13:35:28,834 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:29,273 INFO L477 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 70 treesize of output 61 [2018-11-10 13:35:29,274 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:29,709 INFO L477 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 96 treesize of output 87 [2018-11-10 13:35:29,709 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:30,146 INFO L477 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 76 treesize of output 67 [2018-11-10 13:35:30,146 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:30,577 INFO L477 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 66 treesize of output 57 [2018-11-10 13:35:30,577 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:31,013 INFO L477 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 81 treesize of output 72 [2018-11-10 13:35:31,013 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:31,454 INFO L477 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 81 treesize of output 72 [2018-11-10 13:35:31,454 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:31,914 INFO L477 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 85 treesize of output 76 [2018-11-10 13:35:31,914 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:32,335 INFO L477 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 70 treesize of output 61 [2018-11-10 13:35:32,335 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:32,758 INFO L477 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 66 treesize of output 57 [2018-11-10 13:35:32,759 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:33,175 INFO L477 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 88 treesize of output 79 [2018-11-10 13:35:33,175 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:33,589 INFO L477 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 81 treesize of output 72 [2018-11-10 13:35:33,589 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:34,001 INFO L477 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 88 treesize of output 79 [2018-11-10 13:35:34,001 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:34,412 INFO L477 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 72 treesize of output 67 [2018-11-10 13:35:34,412 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:34,820 INFO L477 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 77 treesize of output 68 [2018-11-10 13:35:34,820 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:35,240 INFO L477 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 81 treesize of output 72 [2018-11-10 13:35:35,241 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:35,649 INFO L477 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 81 treesize of output 76 [2018-11-10 13:35:35,649 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:36,049 INFO L477 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 79 treesize of output 70 [2018-11-10 13:35:36,049 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:36,460 INFO L477 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 70 treesize of output 62 [2018-11-10 13:35:36,464 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:36,465 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:36,466 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:36,467 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:36,467 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:36,468 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:36,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2018-11-10 13:35:36,469 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:36,490 INFO L477 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 58 treesize of output 39 [2018-11-10 13:35:36,491 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:36,507 INFO L477 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 39 treesize of output 25 [2018-11-10 13:35:36,508 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:36,525 INFO L267 ElimStorePlain]: Start of recursive call 23: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 13:35:36,989 INFO L477 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 72 treesize of output 68 [2018-11-10 13:35:36,991 INFO L477 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 11 [2018-11-10 13:35:36,991 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:37,000 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:37,397 INFO L477 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 31 treesize of output 27 [2018-11-10 13:35:37,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-10 13:35:37,399 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:37,406 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:37,716 INFO L267 ElimStorePlain]: Start of recursive call 1: 21 dim-1 vars, 84 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:37,716 INFO L202 ElimStorePlain]: Needed 30 recursive calls to eliminate 105 variables, input treesize:1670, output treesize:13 [2018-11-10 13:35:38,213 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 309 treesize of output 198 [2018-11-10 13:35:39,606 WARN L179 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 146 [2018-11-10 13:35:39,610 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:39,613 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:39,616 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:39,617 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:39,620 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:39,650 INFO L477 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 150 treesize of output 219 [2018-11-10 13:35:39,651 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 8 xjuncts. [2018-11-10 13:35:39,655 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:39,657 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:39,661 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:39,662 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:39,664 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:39,690 INFO L477 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 165 treesize of output 234 [2018-11-10 13:35:39,692 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 8 xjuncts. [2018-11-10 13:35:45,484 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:45,504 INFO L477 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 4 case distinctions, treesize of input 157 treesize of output 184 [2018-11-10 13:35:45,505 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-11-10 13:35:45,510 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:45,526 INFO L477 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 4 case distinctions, treesize of input 172 treesize of output 199 [2018-11-10 13:35:45,527 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-11-10 13:35:52,960 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:52,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 162 treesize of output 180 [2018-11-10 13:35:53,000 INFO L477 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 165 treesize of output 177 [2018-11-10 13:35:53,004 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:53,005 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:53,006 INFO L477 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 26 treesize of output 61 [2018-11-10 13:35:53,006 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:53,044 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:35:53,290 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:53,301 INFO L477 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 2 case distinctions, treesize of input 138 treesize of output 174 [2018-11-10 13:35:53,306 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:53,307 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:53,309 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:53,311 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:53,312 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:53,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 154 treesize of output 245 [2018-11-10 13:35:53,323 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:53,497 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:53,498 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:53,499 INFO L477 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 158 treesize of output 193 [2018-11-10 13:35:53,499 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:53,642 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:35:54,288 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:54,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 155 treesize of output 189 [2018-11-10 13:35:54,340 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-10 13:35:54,340 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:56,500 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:56,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 138 treesize of output 196 [2018-11-10 13:35:56,526 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:56,527 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:56,528 INFO L477 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 170 treesize of output 205 [2018-11-10 13:35:56,529 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:56,734 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:56,736 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:56,741 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:56,743 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:56,744 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:56,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 158 treesize of output 249 [2018-11-10 13:35:56,754 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:56,987 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:56,988 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:56,991 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:56,992 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:56,993 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:57,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 253 [2018-11-10 13:35:57,004 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2018-11-10 13:35:57,307 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:57,308 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:35:57,309 INFO L477 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 166 treesize of output 201 [2018-11-10 13:35:57,309 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-10 13:35:57,603 INFO L267 ElimStorePlain]: Start of recursive call 15: 4 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-10 13:36:01,041 INFO L477 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 163 treesize of output 162 [2018-11-10 13:36:01,042 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:04,541 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:04,542 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:04,543 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:04,547 INFO L477 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 138 treesize of output 157 [2018-11-10 13:36:04,548 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:07,948 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:07,961 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 13:36:07,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 168 treesize of output 194 [2018-11-10 13:36:07,989 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 3 xjuncts. [2018-11-10 13:36:11,201 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:11,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 161 treesize of output 175 [2018-11-10 13:36:11,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:11,244 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:11,466 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 13:36:11,466 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_arrayElimCell_83 term size 83 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java: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.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:216) 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:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2018-11-10 13:36:11,469 INFO L168 Benchmark]: Toolchain (without parser) took 72328.48 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 586.2 MB). Free memory was 957.5 MB in the beginning and 1.4 GB in the end (delta: -440.9 MB). Peak memory consumption was 763.3 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:11,469 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:36:11,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:11,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:11,470 INFO L168 Benchmark]: Boogie Preprocessor took 46.71 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:11,470 INFO L168 Benchmark]: RCFGBuilder took 573.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:11,470 INFO L168 Benchmark]: TraceAbstraction took 71108.54 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 433.6 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -352.8 MB). Peak memory consumption was 698.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:11,471 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 540.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.71 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 573.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 71108.54 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 433.6 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -352.8 MB). Peak memory consumption was 698.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_83 term size 83 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_83 term size 83: 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 0.1.23-1dbac8b [2018-11-10 13:36:13,022 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:36:13,023 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:36:13,032 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:36:13,032 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:36:13,033 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:36:13,034 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:36:13,035 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:36:13,036 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:36:13,037 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:36:13,038 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:36:13,038 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:36:13,039 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:36:13,040 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:36:13,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:36:13,042 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:36:13,042 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:36:13,044 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:36:13,046 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:36:13,047 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:36:13,048 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:36:13,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:36:13,051 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:36:13,051 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:36:13,052 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:36:13,053 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:36:13,053 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:36:13,054 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:36:13,055 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:36:13,056 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:36:13,056 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:36:13,056 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:36:13,057 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:36:13,057 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:36:13,058 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:36:13,058 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:36:13,058 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 13:36:13,071 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:36:13,071 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:36:13,072 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:36:13,072 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:36:13,072 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:36:13,072 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:36:13,073 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:36:13,073 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:36:13,073 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:36:13,073 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:36:13,074 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:36:13,074 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:36:13,074 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:36:13,074 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:36:13,074 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:36:13,074 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 13:36:13,074 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 13:36:13,074 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:36:13,075 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:36:13,075 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:36:13,075 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:36:13,075 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:36:13,075 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:36:13,077 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:36:13,078 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:36:13,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:36:13,078 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:36:13,078 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:36:13,078 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 13:36:13,078 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:36:13,078 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 13:36:13,079 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 13:36:13,079 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_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan 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 -> Taipan 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 -> 0e11c684160c36739b32009d12dfc0b40146d3c7 [2018-11-10 13:36:13,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:36:13,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:36:13,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:36:13,130 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:36:13,131 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:36:13,132 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-11-10 13:36:13,187 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/data/8ddde557c/470476fcd18d484ebcdef95823f797ec/FLAG19d72b80d [2018-11-10 13:36:13,594 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:36:13,594 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-11-10 13:36:13,606 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/data/8ddde557c/470476fcd18d484ebcdef95823f797ec/FLAG19d72b80d [2018-11-10 13:36:13,617 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/data/8ddde557c/470476fcd18d484ebcdef95823f797ec [2018-11-10 13:36:13,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:36:13,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:36:13,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:36:13,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:36:13,624 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:36:13,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:36:13" (1/1) ... [2018-11-10 13:36:13,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c2c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:13, skipping insertion in model container [2018-11-10 13:36:13,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:36:13" (1/1) ... [2018-11-10 13:36:13,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:36:13,678 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:36:14,027 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:36:14,038 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:36:14,092 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:36:14,159 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:36:14,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:14 WrapperNode [2018-11-10 13:36:14,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:36:14,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:36:14,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:36:14,160 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:36:14,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:14" (1/1) ... [2018-11-10 13:36:14,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:14" (1/1) ... [2018-11-10 13:36:14,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:36:14,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:36:14,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:36:14,273 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:36:14,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:14" (1/1) ... [2018-11-10 13:36:14,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:14" (1/1) ... [2018-11-10 13:36:14,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:14" (1/1) ... [2018-11-10 13:36:14,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:14" (1/1) ... [2018-11-10 13:36:14,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:14" (1/1) ... [2018-11-10 13:36:14,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:14" (1/1) ... [2018-11-10 13:36:14,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:14" (1/1) ... [2018-11-10 13:36:14,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:36:14,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:36:14,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:36:14,321 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:36:14,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:36:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2018-11-10 13:36:14,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2018-11-10 13:36:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2018-11-10 13:36:14,371 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-11-10 13:36:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2018-11-10 13:36:14,372 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2018-11-10 13:36:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:36:14,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:36:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2018-11-10 13:36:14,372 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2018-11-10 13:36:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2018-11-10 13:36:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-11-10 13:36:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2018-11-10 13:36:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-11-10 13:36:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2018-11-10 13:36:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2018-11-10 13:36:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-10 13:36:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-10 13:36:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-11-10 13:36:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-11-10 13:36:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-10 13:36:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2018-11-10 13:36:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:36:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:36:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-10 13:36:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-10 13:36:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2018-11-10 13:36:14,375 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2018-11-10 13:36:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:36:14,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:36:14,963 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:36:14,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:36:14 BoogieIcfgContainer [2018-11-10 13:36:14,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:36:14,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:36:14,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:36:14,968 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:36:14,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:36:13" (1/3) ... [2018-11-10 13:36:14,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7775f5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:36:14, skipping insertion in model container [2018-11-10 13:36:14,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:14" (2/3) ... [2018-11-10 13:36:14,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7775f5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:36:14, skipping insertion in model container [2018-11-10 13:36:14,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:36:14" (3/3) ... [2018-11-10 13:36:14,975 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-11-10 13:36:14,985 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:36:14,992 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:36:15,007 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:36:15,037 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:36:15,037 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:36:15,037 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:36:15,038 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:36:15,038 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:36:15,038 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:36:15,038 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:36:15,038 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:36:15,038 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:36:15,056 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-11-10 13:36:15,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 13:36:15,063 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:36:15,064 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:36:15,066 INFO L424 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:36:15,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:36:15,071 INFO L82 PathProgramCache]: Analyzing trace with hash -914397588, now seen corresponding path program 1 times [2018-11-10 13:36:15,075 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 13:36:15,076 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 13:36:15,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:36:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:36:15,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:36:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:36:15,176 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:36:15,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:36:15,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:36:15,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 13:36:15,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 13:36:15,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:36:15,194 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2018-11-10 13:36:15,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:36:15,232 INFO L93 Difference]: Finished difference Result 298 states and 469 transitions. [2018-11-10 13:36:15,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:36:15,234 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-11-10 13:36:15,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:36:15,245 INFO L225 Difference]: With dead ends: 298 [2018-11-10 13:36:15,245 INFO L226 Difference]: Without dead ends: 138 [2018-11-10 13:36:15,249 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:36:15,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-10 13:36:15,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-10 13:36:15,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-10 13:36:15,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 159 transitions. [2018-11-10 13:36:15,287 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 159 transitions. Word has length 15 [2018-11-10 13:36:15,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:36:15,287 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 159 transitions. [2018-11-10 13:36:15,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 13:36:15,287 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 159 transitions. [2018-11-10 13:36:15,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 13:36:15,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:36:15,289 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:36:15,289 INFO L424 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:36:15,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:36:15,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1731062258, now seen corresponding path program 1 times [2018-11-10 13:36:15,290 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 13:36:15,290 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 13:36:15,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:36:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:36:15,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:36:15,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:36:15,425 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:36:15,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:36:15,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 13:36:15,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 13:36:15,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 13:36:15,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 13:36:15,431 INFO L87 Difference]: Start difference. First operand 138 states and 159 transitions. Second operand 5 states. [2018-11-10 13:36:15,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:36:15,679 INFO L93 Difference]: Finished difference Result 140 states and 160 transitions. [2018-11-10 13:36:15,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 13:36:15,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-11-10 13:36:15,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:36:15,681 INFO L225 Difference]: With dead ends: 140 [2018-11-10 13:36:15,681 INFO L226 Difference]: Without dead ends: 137 [2018-11-10 13:36:15,682 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-10 13:36:15,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-10 13:36:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-10 13:36:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-10 13:36:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 157 transitions. [2018-11-10 13:36:15,701 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 157 transitions. Word has length 34 [2018-11-10 13:36:15,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:36:15,704 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 157 transitions. [2018-11-10 13:36:15,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 13:36:15,704 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2018-11-10 13:36:15,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 13:36:15,705 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:36:15,705 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:36:15,705 INFO L424 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:36:15,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:36:15,706 INFO L82 PathProgramCache]: Analyzing trace with hash -656289715, now seen corresponding path program 1 times [2018-11-10 13:36:15,706 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 13:36:15,706 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 13:36:15,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:36:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:36:15,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:36:15,898 INFO L477 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 [2018-11-10 13:36:15,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:15,904 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:15,905 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-10 13:36:15,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-10 13:36:15,918 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:15,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:15,923 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:7 [2018-11-10 13:36:15,985 INFO L477 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 [2018-11-10 13:36:15,988 INFO L477 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 [2018-11-10 13:36:15,988 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:15,992 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:16,001 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:16,001 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-11-10 13:36:16,118 INFO L477 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 24 treesize of output 36 [2018-11-10 13:36:16,125 INFO L477 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 23 treesize of output 25 [2018-11-10 13:36:16,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 14 treesize of output 19 [2018-11-10 13:36:16,146 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-10 13:36:16,168 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 13:36:16,244 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:16,245 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:16,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-11-10 13:36:16,284 INFO L477 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 4 case distinctions, treesize of input 27 treesize of output 34 [2018-11-10 13:36:16,285 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-11-10 13:36:16,336 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:36:16,384 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:36:16,419 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-10 13:36:16,420 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:32, output treesize:58 [2018-11-10 13:36:16,554 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:16,555 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:16,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-11-10 13:36:16,556 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:16,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:16,575 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:49, output treesize:11 [2018-11-10 13:36:16,641 INFO L477 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 [2018-11-10 13:36:16,644 INFO L477 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 [2018-11-10 13:36:16,644 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:16,646 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:16,649 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:16,649 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:18, output treesize:7 [2018-11-10 13:36:16,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:36:16,677 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:36:16,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:36:16,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-10 13:36:16,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-10 13:36:16,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-10 13:36:16,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-11-10 13:36:16,681 INFO L87 Difference]: Start difference. First operand 137 states and 157 transitions. Second operand 15 states. [2018-11-10 13:36:19,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:36:19,626 INFO L93 Difference]: Finished difference Result 249 states and 291 transitions. [2018-11-10 13:36:19,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-10 13:36:19,627 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2018-11-10 13:36:19,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:36:19,630 INFO L225 Difference]: With dead ends: 249 [2018-11-10 13:36:19,630 INFO L226 Difference]: Without dead ends: 243 [2018-11-10 13:36:19,631 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2018-11-10 13:36:19,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-10 13:36:19,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 215. [2018-11-10 13:36:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-11-10 13:36:19,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 253 transitions. [2018-11-10 13:36:19,658 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 253 transitions. Word has length 37 [2018-11-10 13:36:19,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:36:19,658 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 253 transitions. [2018-11-10 13:36:19,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-10 13:36:19,659 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 253 transitions. [2018-11-10 13:36:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 13:36:19,659 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:36:19,660 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:36:19,660 INFO L424 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:36:19,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:36:19,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1073322948, now seen corresponding path program 1 times [2018-11-10 13:36:19,660 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 13:36:19,660 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02925afe-8c7b-4a3f-ad05-15080466dd4b/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 13:36:19,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:36:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:36:19,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:36:19,855 INFO L477 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 [2018-11-10 13:36:19,855 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:19,898 INFO L477 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 16 treesize of output 13 [2018-11-10 13:36:19,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-10 13:36:19,906 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:19,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-10 13:36:19,909 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:19,919 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:19,926 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:19,948 INFO L477 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 16 treesize of output 13 [2018-11-10 13:36:19,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-10 13:36:19,955 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:19,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-10 13:36:19,958 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:19,966 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:19,972 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:19,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:19,990 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:42, output treesize:23 [2018-11-10 13:36:20,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-10 13:36:20,004 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:20,022 INFO L477 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 7 treesize of output 5 [2018-11-10 13:36:20,025 INFO L477 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 [2018-11-10 13:36:20,025 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:20,026 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:20,036 INFO L477 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 7 treesize of output 5 [2018-11-10 13:36:20,038 INFO L477 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 [2018-11-10 13:36:20,038 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:20,039 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:20,045 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:20,045 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:34, output treesize:13 [2018-11-10 13:36:20,140 INFO L477 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 77 treesize of output 48 [2018-11-10 13:36:20,256 INFO L477 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 [2018-11-10 13:36:20,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:20,413 INFO L477 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 53 [2018-11-10 13:36:20,418 INFO L477 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 42 treesize of output 44 [2018-11-10 13:36:20,424 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:20,427 INFO L477 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 16 treesize of output 23 [2018-11-10 13:36:20,428 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:20,457 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:20,704 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2018-11-10 13:36:20,713 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:20,718 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:20,778 INFO L477 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 2 case distinctions, treesize of input 23 treesize of output 48 [2018-11-10 13:36:20,778 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-10 13:36:20,873 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 13:36:21,259 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:21,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 47 [2018-11-10 13:36:21,271 INFO L477 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 [2018-11-10 13:36:21,272 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:21,295 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:21,300 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:21,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 49 [2018-11-10 13:36:21,317 INFO L477 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 [2018-11-10 13:36:21,317 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:21,345 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:21,682 INFO L477 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 50 [2018-11-10 13:36:21,688 INFO L477 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 41 treesize of output 40 [2018-11-10 13:36:21,688 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:21,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 52 [2018-11-10 13:36:21,873 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:21,874 INFO L477 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 44 treesize of output 51 [2018-11-10 13:36:21,874 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:21,958 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:22,007 INFO L477 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 2 case distinctions, treesize of input 46 treesize of output 69 [2018-11-10 13:36:22,008 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-11-10 13:36:22,127 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 13:36:22,338 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 13:36:22,799 INFO L477 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 53 [2018-11-10 13:36:22,805 INFO L477 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 42 treesize of output 41 [2018-11-10 13:36:22,805 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:22,896 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:23,027 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 13:36:23,086 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 58 [2018-11-10 13:36:23,091 INFO L477 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 47 treesize of output 46 [2018-11-10 13:36:23,097 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:23,097 INFO L477 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 30 treesize of output 34 [2018-11-10 13:36:23,098 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:23,131 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:23,542 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 13:36:23,543 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2018-11-10 13:36:23,553 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:36:23,557 INFO L477 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 37 treesize of output 46 [2018-11-10 13:36:23,558 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-10 13:36:23,593 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 13:36:24,096 INFO L477 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 47 treesize of output 55 [2018-11-10 13:36:24,104 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 13:36:24,305 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 13:36:24,306 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_arrayElimCell_21 term size 24 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.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:234) 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:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2018-11-10 13:36:24,308 INFO L168 Benchmark]: Toolchain (without parser) took 10687.58 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 269.5 MB). Free memory was 938.5 MB in the beginning and 1.2 GB in the end (delta: -294.2 MB). Peak memory consumption was 336.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:24,309 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:36:24,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.25 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 890.2 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:24,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 890.2 MB in the beginning and 1.1 GB in the end (delta: -237.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:24,309 INFO L168 Benchmark]: Boogie Preprocessor took 48.21 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:24,310 INFO L168 Benchmark]: RCFGBuilder took 643.43 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:24,310 INFO L168 Benchmark]: TraceAbstraction took 9342.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -175.0 MB). Peak memory consumption was 308.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:24,313 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 538.25 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 890.2 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 890.2 MB in the beginning and 1.1 GB in the end (delta: -237.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.21 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 643.43 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9342.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -175.0 MB). Peak memory consumption was 308.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_21 term size 24 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_21 term size 24: 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...