./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c -s /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35e2f86bf3e470750dbe0c4c2347087df6a769a9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c -s /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35e2f86bf3e470750dbe0c4c2347087df6a769a9 .................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: incompatible size --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:20:30,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:20:30,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:20:30,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:20:30,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:20:30,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:20:30,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:20:30,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:20:30,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:20:30,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:20:30,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:20:30,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:20:30,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:20:30,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:20:30,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:20:30,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:20:30,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:20:30,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:20:30,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:20:30,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:20:30,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:20:30,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:20:30,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:20:30,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:20:30,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:20:30,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:20:30,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:20:30,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:20:30,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:20:30,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:20:30,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:20:30,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:20:30,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:20:30,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:20:30,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:20:30,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:20:30,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:20:30,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:20:30,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:20:30,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:20:30,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:20:30,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:20:30,638 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:20:30,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:20:30,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:20:30,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:20:30,640 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:20:30,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:20:30,640 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:20:30,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:20:30,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:20:30,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:20:30,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:20:30,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:20:30,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:20:30,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:20:30,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:20:30,642 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:20:30,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:20:30,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:20:30,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:20:30,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:20:30,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:20:30,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:20:30,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:20:30,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:20:30,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:20:30,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:20:30,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:20:30,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:20:30,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35e2f86bf3e470750dbe0c4c2347087df6a769a9 [2019-11-15 23:20:30,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:20:30,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:20:30,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:20:30,687 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:20:30,687 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:20:30,688 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2019-11-15 23:20:30,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/data/cf85b6254/5f08981069614e1fb61034ea39ca37e1/FLAG115e1abea [2019-11-15 23:20:31,125 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:20:31,125 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2019-11-15 23:20:31,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/data/cf85b6254/5f08981069614e1fb61034ea39ca37e1/FLAG115e1abea [2019-11-15 23:20:31,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/data/cf85b6254/5f08981069614e1fb61034ea39ca37e1 [2019-11-15 23:20:31,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:20:31,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:20:31,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:20:31,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:20:31,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:20:31,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:20:31" (1/1) ... [2019-11-15 23:20:31,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ade72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31, skipping insertion in model container [2019-11-15 23:20:31,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:20:31" (1/1) ... [2019-11-15 23:20:31,570 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:20:31,584 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:20:31,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:20:31,826 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:20:31,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:20:31,874 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:20:31,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31 WrapperNode [2019-11-15 23:20:31,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:20:31,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:20:31,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:20:31,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:20:31,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31" (1/1) ... [2019-11-15 23:20:31,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31" (1/1) ... [2019-11-15 23:20:31,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:20:31,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:20:31,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:20:31,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:20:31,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31" (1/1) ... [2019-11-15 23:20:31,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31" (1/1) ... [2019-11-15 23:20:31,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31" (1/1) ... [2019-11-15 23:20:31,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31" (1/1) ... [2019-11-15 23:20:31,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31" (1/1) ... [2019-11-15 23:20:31,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31" (1/1) ... [2019-11-15 23:20:31,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31" (1/1) ... [2019-11-15 23:20:31,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:20:31,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:20:31,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:20:31,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:20:31,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:20:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:20:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:20:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:20:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:20:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:20:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:20:32,238 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:20:32,238 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-15 23:20:32,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:20:32 BoogieIcfgContainer [2019-11-15 23:20:32,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:20:32,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:20:32,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:20:32,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:20:32,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:20:31" (1/3) ... [2019-11-15 23:20:32,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e23c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:20:32, skipping insertion in model container [2019-11-15 23:20:32,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:31" (2/3) ... [2019-11-15 23:20:32,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e23c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:20:32, skipping insertion in model container [2019-11-15 23:20:32,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:20:32" (3/3) ... [2019-11-15 23:20:32,250 INFO L109 eAbstractionObserver]: Analyzing ICFG array_tiling_tcpy.c [2019-11-15 23:20:32,258 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:20:32,282 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:20:32,317 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:20:32,337 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:20:32,337 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:20:32,337 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:20:32,338 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:20:32,338 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:20:32,338 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:20:32,338 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:20:32,338 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:20:32,350 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-15 23:20:32,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-15 23:20:32,358 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:32,358 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:32,360 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:32,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:32,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1807957391, now seen corresponding path program 1 times [2019-11-15 23:20:32,376 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:32,376 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6828535] [2019-11-15 23:20:32,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:32,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:32,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:32,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:32,572 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6828535] [2019-11-15 23:20:32,573 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:20:32,573 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:20:32,573 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941429792] [2019-11-15 23:20:32,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:20:32,577 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:32,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:20:32,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:20:32,588 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-11-15 23:20:32,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:32,637 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2019-11-15 23:20:32,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:20:32,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-15 23:20:32,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:32,645 INFO L225 Difference]: With dead ends: 28 [2019-11-15 23:20:32,645 INFO L226 Difference]: Without dead ends: 13 [2019-11-15 23:20:32,648 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:20:32,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-15 23:20:32,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-11-15 23:20:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-15 23:20:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2019-11-15 23:20:32,678 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 7 [2019-11-15 23:20:32,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:32,679 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2019-11-15 23:20:32,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:20:32,679 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-11-15 23:20:32,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 23:20:32,679 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:32,680 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:32,680 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:32,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:32,680 INFO L82 PathProgramCache]: Analyzing trace with hash -369319347, now seen corresponding path program 1 times [2019-11-15 23:20:32,681 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:32,681 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241106816] [2019-11-15 23:20:32,681 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:32,681 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:32,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:32,739 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241106816] [2019-11-15 23:20:32,739 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92756534] [2019-11-15 23:20:32,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:32,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 23:20:32,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:32,831 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:32,832 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2019-11-15 23:20:32,832 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635458546] [2019-11-15 23:20:32,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:20:32,833 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:32,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:20:32,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:20:32,834 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 6 states. [2019-11-15 23:20:32,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:32,881 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2019-11-15 23:20:32,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:20:32,882 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-11-15 23:20:32,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:32,883 INFO L225 Difference]: With dead ends: 22 [2019-11-15 23:20:32,883 INFO L226 Difference]: Without dead ends: 15 [2019-11-15 23:20:32,884 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:20:32,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-15 23:20:32,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2019-11-15 23:20:32,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-15 23:20:32,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2019-11-15 23:20:32,887 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 9 [2019-11-15 23:20:32,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:32,887 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2019-11-15 23:20:32,887 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:20:32,888 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2019-11-15 23:20:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 23:20:32,888 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:32,888 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:33,095 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:33,095 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:33,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:33,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1083191413, now seen corresponding path program 2 times [2019-11-15 23:20:33,095 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:33,096 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838121002] [2019-11-15 23:20:33,096 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:33,096 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:33,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:33,505 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838121002] [2019-11-15 23:20:33,505 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602355534] [2019-11-15 23:20:33,505 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:33,555 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 23:20:33,555 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:20:33,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-15 23:20:33,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:33,595 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:20:33,595 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:33,611 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:33,611 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:33,612 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:20:33,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,635 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,640 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:20:33,641 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:33,660 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:33,661 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:33,661 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:20:33,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,754 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,758 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,760 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:33,774 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 87 [2019-11-15 23:20:33,775 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:33,796 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:33,797 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:20:33,798 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:104, output treesize:82 [2019-11-15 23:20:33,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:20:33,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:33,939 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:33,939 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2019-11-15 23:20:33,940 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551496088] [2019-11-15 23:20:33,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 23:20:33,940 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:33,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 23:20:33,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-11-15 23:20:33,941 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 13 states. [2019-11-15 23:20:34,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:34,275 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2019-11-15 23:20:34,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 23:20:34,276 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 11 [2019-11-15 23:20:34,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:34,276 INFO L225 Difference]: With dead ends: 22 [2019-11-15 23:20:34,276 INFO L226 Difference]: Without dead ends: 20 [2019-11-15 23:20:34,277 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-11-15 23:20:34,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-15 23:20:34,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 16. [2019-11-15 23:20:34,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-15 23:20:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-11-15 23:20:34,280 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2019-11-15 23:20:34,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:34,281 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-11-15 23:20:34,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 23:20:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-11-15 23:20:34,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 23:20:34,281 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:34,282 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:34,487 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:34,488 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:34,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:34,488 INFO L82 PathProgramCache]: Analyzing trace with hash -445219455, now seen corresponding path program 1 times [2019-11-15 23:20:34,489 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:34,489 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312828766] [2019-11-15 23:20:34,489 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:34,489 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:34,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:34,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:34,772 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312828766] [2019-11-15 23:20:34,772 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713735932] [2019-11-15 23:20:34,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:34,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-15 23:20:34,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:34,834 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:20:34,835 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:34,846 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:34,846 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:34,847 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:20:34,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:34,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:34,921 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:34,923 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 43 [2019-11-15 23:20:34,923 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:34,943 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:34,944 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:20:34,944 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:50 [2019-11-15 23:20:35,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:20:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:35,096 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:35,096 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2019-11-15 23:20:35,096 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205645378] [2019-11-15 23:20:35,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 23:20:35,097 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:35,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 23:20:35,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2019-11-15 23:20:35,098 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 15 states. [2019-11-15 23:20:35,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:35,540 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2019-11-15 23:20:35,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 23:20:35,540 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2019-11-15 23:20:35,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:35,541 INFO L225 Difference]: With dead ends: 26 [2019-11-15 23:20:35,541 INFO L226 Difference]: Without dead ends: 24 [2019-11-15 23:20:35,542 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2019-11-15 23:20:35,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-15 23:20:35,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2019-11-15 23:20:35,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-15 23:20:35,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-11-15 23:20:35,547 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2019-11-15 23:20:35,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:35,547 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-11-15 23:20:35,547 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 23:20:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-11-15 23:20:35,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 23:20:35,548 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:35,548 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:35,751 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:35,751 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:35,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:35,752 INFO L82 PathProgramCache]: Analyzing trace with hash 736706679, now seen corresponding path program 2 times [2019-11-15 23:20:35,752 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:35,752 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484822237] [2019-11-15 23:20:35,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:35,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:35,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:36,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:36,211 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484822237] [2019-11-15 23:20:36,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309537107] [2019-11-15 23:20:36,212 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:36,265 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 23:20:36,265 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:20:36,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-15 23:20:36,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:36,276 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:20:36,276 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:36,283 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:36,283 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:36,284 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-11-15 23:20:36,332 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:36,336 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:36,349 INFO L341 Elim1Store]: treesize reduction 49, result has 23.4 percent of original size [2019-11-15 23:20:36,349 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:20:36,350 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:36,364 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:36,365 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:36,365 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:60 [2019-11-15 23:20:36,655 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:20:36,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:36,721 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:36,721 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2019-11-15 23:20:36,722 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702901843] [2019-11-15 23:20:36,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-15 23:20:36,722 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:36,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-15 23:20:36,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2019-11-15 23:20:36,723 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 20 states. [2019-11-15 23:20:37,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:37,687 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2019-11-15 23:20:37,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 23:20:37,688 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 19 [2019-11-15 23:20:37,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:37,689 INFO L225 Difference]: With dead ends: 45 [2019-11-15 23:20:37,689 INFO L226 Difference]: Without dead ends: 43 [2019-11-15 23:20:37,690 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=208, Invalid=914, Unknown=0, NotChecked=0, Total=1122 [2019-11-15 23:20:37,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-15 23:20:37,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 27. [2019-11-15 23:20:37,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-15 23:20:37,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2019-11-15 23:20:37,697 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 19 [2019-11-15 23:20:37,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:37,697 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2019-11-15 23:20:37,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-15 23:20:37,698 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2019-11-15 23:20:37,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 23:20:37,698 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:37,699 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:37,905 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:37,905 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:37,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:37,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1349220405, now seen corresponding path program 3 times [2019-11-15 23:20:37,905 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:37,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951079911] [2019-11-15 23:20:37,905 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:37,905 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:37,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:38,205 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:38,206 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951079911] [2019-11-15 23:20:38,206 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228766277] [2019-11-15 23:20:38,206 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:38,249 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-11-15 23:20:38,249 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:20:38,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-15 23:20:38,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:38,263 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:20:38,263 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:38,274 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:38,275 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:38,275 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:20:38,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:38,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:38,343 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:38,344 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 43 [2019-11-15 23:20:38,345 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:38,354 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:38,355 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:20:38,355 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:50 [2019-11-15 23:20:38,660 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:20:38,689 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:38,690 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:38,690 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2019-11-15 23:20:38,690 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130567310] [2019-11-15 23:20:38,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-15 23:20:38,691 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:38,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-15 23:20:38,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2019-11-15 23:20:38,692 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 19 states. [2019-11-15 23:20:39,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:39,336 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2019-11-15 23:20:39,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-15 23:20:39,336 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 21 [2019-11-15 23:20:39,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:39,337 INFO L225 Difference]: With dead ends: 51 [2019-11-15 23:20:39,337 INFO L226 Difference]: Without dead ends: 49 [2019-11-15 23:20:39,338 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=157, Invalid=835, Unknown=0, NotChecked=0, Total=992 [2019-11-15 23:20:39,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-15 23:20:39,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 24. [2019-11-15 23:20:39,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-15 23:20:39,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-11-15 23:20:39,344 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 21 [2019-11-15 23:20:39,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:39,344 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-11-15 23:20:39,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-15 23:20:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-11-15 23:20:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 23:20:39,345 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:39,345 INFO L380 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:39,548 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:39,548 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:39,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:39,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1531602835, now seen corresponding path program 4 times [2019-11-15 23:20:39,549 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:39,549 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000270574] [2019-11-15 23:20:39,549 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:39,549 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:39,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:40,136 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:40,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000270574] [2019-11-15 23:20:40,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189889002] [2019-11-15 23:20:40,136 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:40,187 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 23:20:40,187 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:20:40,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-15 23:20:40,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:40,196 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:20:40,196 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:40,203 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:40,203 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:40,204 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:20:40,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,215 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,217 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:20:40,217 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:40,228 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:40,229 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:40,229 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:20:40,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,295 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,296 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,299 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,299 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,300 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:40,306 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 111 [2019-11-15 23:20:40,307 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:40,342 INFO L567 ElimStorePlain]: treesize reduction 3, result has 97.3 percent of original size [2019-11-15 23:20:40,342 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:40,342 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:109 [2019-11-15 23:20:40,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:20:40,697 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:40,697 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:40,698 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2019-11-15 23:20:40,698 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006514520] [2019-11-15 23:20:40,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-15 23:20:40,698 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:40,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-15 23:20:40,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2019-11-15 23:20:40,699 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 23 states. [2019-11-15 23:20:41,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:41,901 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2019-11-15 23:20:41,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-11-15 23:20:41,902 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 23 [2019-11-15 23:20:41,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:41,903 INFO L225 Difference]: With dead ends: 78 [2019-11-15 23:20:41,903 INFO L226 Difference]: Without dead ends: 76 [2019-11-15 23:20:41,904 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=318, Invalid=1488, Unknown=0, NotChecked=0, Total=1806 [2019-11-15 23:20:41,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-11-15 23:20:41,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 33. [2019-11-15 23:20:41,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-15 23:20:41,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2019-11-15 23:20:41,915 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 23 [2019-11-15 23:20:41,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:41,915 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2019-11-15 23:20:41,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-15 23:20:41,915 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2019-11-15 23:20:41,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-15 23:20:41,916 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:41,916 INFO L380 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:42,116 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:42,117 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:42,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:42,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1358363293, now seen corresponding path program 5 times [2019-11-15 23:20:42,117 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:42,117 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025282652] [2019-11-15 23:20:42,117 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:42,118 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:42,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:42,259 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:42,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025282652] [2019-11-15 23:20:42,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083718494] [2019-11-15 23:20:42,259 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:42,357 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2019-11-15 23:20:42,357 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:20:42,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 23:20:42,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:42,454 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:42,454 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:42,455 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2019-11-15 23:20:42,455 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549437847] [2019-11-15 23:20:42,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-15 23:20:42,455 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:42,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-15 23:20:42,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2019-11-15 23:20:42,456 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 17 states. [2019-11-15 23:20:42,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:42,607 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2019-11-15 23:20:42,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 23:20:42,608 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 27 [2019-11-15 23:20:42,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:42,609 INFO L225 Difference]: With dead ends: 69 [2019-11-15 23:20:42,609 INFO L226 Difference]: Without dead ends: 45 [2019-11-15 23:20:42,609 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2019-11-15 23:20:42,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-15 23:20:42,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 33. [2019-11-15 23:20:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-15 23:20:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2019-11-15 23:20:42,618 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 27 [2019-11-15 23:20:42,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:42,618 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2019-11-15 23:20:42,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-15 23:20:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2019-11-15 23:20:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-15 23:20:42,619 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:42,619 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:42,820 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:42,820 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:42,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:42,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1101614487, now seen corresponding path program 6 times [2019-11-15 23:20:42,820 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:42,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336364455] [2019-11-15 23:20:42,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:42,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:42,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:43,200 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:43,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336364455] [2019-11-15 23:20:43,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799809140] [2019-11-15 23:20:43,201 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:43,253 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2019-11-15 23:20:43,253 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:20:43,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-15 23:20:43,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:43,260 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:20:43,260 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:43,267 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:43,267 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:43,267 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:20:43,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:43,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:43,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:43,351 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 43 [2019-11-15 23:20:43,351 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:43,361 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:43,361 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:20:43,361 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:50 [2019-11-15 23:20:43,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:20:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:43,637 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:43,637 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2019-11-15 23:20:43,637 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866870842] [2019-11-15 23:20:43,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-15 23:20:43,638 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:43,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-15 23:20:43,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2019-11-15 23:20:43,639 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 23 states. [2019-11-15 23:20:44,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:44,399 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2019-11-15 23:20:44,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-11-15 23:20:44,400 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 27 [2019-11-15 23:20:44,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:44,401 INFO L225 Difference]: With dead ends: 61 [2019-11-15 23:20:44,401 INFO L226 Difference]: Without dead ends: 59 [2019-11-15 23:20:44,402 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=213, Invalid=1427, Unknown=0, NotChecked=0, Total=1640 [2019-11-15 23:20:44,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-11-15 23:20:44,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 30. [2019-11-15 23:20:44,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-15 23:20:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-11-15 23:20:44,412 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 27 [2019-11-15 23:20:44,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:44,413 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-11-15 23:20:44,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-15 23:20:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-11-15 23:20:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 23:20:44,415 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:44,415 INFO L380 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:44,625 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:44,626 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:44,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:44,626 INFO L82 PathProgramCache]: Analyzing trace with hash -265380063, now seen corresponding path program 7 times [2019-11-15 23:20:44,626 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:44,627 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640618199] [2019-11-15 23:20:44,627 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:44,627 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:44,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:45,082 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:45,083 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640618199] [2019-11-15 23:20:45,083 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975069133] [2019-11-15 23:20:45,083 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:45,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 38 conjunts are in the unsatisfiable core [2019-11-15 23:20:45,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:45,131 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:20:45,131 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:45,138 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:45,138 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:45,138 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:20:45,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,190 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:20:45,190 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:45,202 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:45,202 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:45,202 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:20:45,281 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,287 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,289 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,290 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,290 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,293 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:45,295 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 101 [2019-11-15 23:20:45,295 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:45,332 INFO L567 ElimStorePlain]: treesize reduction 3, result has 97.1 percent of original size [2019-11-15 23:20:45,332 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:45,332 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:99 [2019-11-15 23:20:45,756 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:20:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:45,792 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:45,792 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2019-11-15 23:20:45,792 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141404371] [2019-11-15 23:20:45,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-15 23:20:45,793 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:45,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-15 23:20:45,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2019-11-15 23:20:45,794 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 28 states. [2019-11-15 23:20:47,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:47,588 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2019-11-15 23:20:47,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-11-15 23:20:47,588 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 29 [2019-11-15 23:20:47,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:47,589 INFO L225 Difference]: With dead ends: 93 [2019-11-15 23:20:47,589 INFO L226 Difference]: Without dead ends: 91 [2019-11-15 23:20:47,590 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 802 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=422, Invalid=2548, Unknown=0, NotChecked=0, Total=2970 [2019-11-15 23:20:47,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-15 23:20:47,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 39. [2019-11-15 23:20:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-15 23:20:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2019-11-15 23:20:47,604 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 29 [2019-11-15 23:20:47,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:47,605 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2019-11-15 23:20:47,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-15 23:20:47,605 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2019-11-15 23:20:47,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 23:20:47,606 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:47,606 INFO L380 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:47,812 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:47,812 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:47,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:47,812 INFO L82 PathProgramCache]: Analyzing trace with hash -193490409, now seen corresponding path program 8 times [2019-11-15 23:20:47,812 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:47,812 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187409119] [2019-11-15 23:20:47,812 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:47,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:47,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:48,479 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:48,480 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187409119] [2019-11-15 23:20:48,480 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931888736] [2019-11-15 23:20:48,480 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:48,534 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 23:20:48,535 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:20:48,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 41 conjunts are in the unsatisfiable core [2019-11-15 23:20:48,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:48,549 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:20:48,549 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:48,559 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:48,559 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:48,560 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:20:48,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,599 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,601 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:20:48,602 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:48,614 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:48,614 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:48,615 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:20:48,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,696 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,699 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,700 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,701 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,702 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,728 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 97 [2019-11-15 23:20:48,728 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:48,747 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:48,748 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:48,748 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:123, output treesize:95 [2019-11-15 23:20:48,872 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,880 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,882 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,883 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,883 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,896 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,898 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,899 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,900 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,901 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,901 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,903 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,904 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,904 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:48,907 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 31 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 145 [2019-11-15 23:20:48,908 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:48,952 INFO L567 ElimStorePlain]: treesize reduction 3, result has 97.8 percent of original size [2019-11-15 23:20:48,952 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:48,952 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:162, output treesize:131 [2019-11-15 23:20:49,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:20:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:49,600 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:49,600 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2019-11-15 23:20:49,600 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704683384] [2019-11-15 23:20:49,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-11-15 23:20:49,601 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:49,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-11-15 23:20:49,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=807, Unknown=0, NotChecked=0, Total=930 [2019-11-15 23:20:49,603 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 31 states. [2019-11-15 23:20:49,922 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-11-15 23:20:51,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:51,766 INFO L93 Difference]: Finished difference Result 101 states and 105 transitions. [2019-11-15 23:20:51,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-11-15 23:20:51,766 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 33 [2019-11-15 23:20:51,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:51,767 INFO L225 Difference]: With dead ends: 101 [2019-11-15 23:20:51,767 INFO L226 Difference]: Without dead ends: 99 [2019-11-15 23:20:51,769 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 929 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=468, Invalid=2954, Unknown=0, NotChecked=0, Total=3422 [2019-11-15 23:20:51,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-15 23:20:51,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 43. [2019-11-15 23:20:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-15 23:20:51,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2019-11-15 23:20:51,780 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 33 [2019-11-15 23:20:51,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:51,780 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2019-11-15 23:20:51,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-11-15 23:20:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2019-11-15 23:20:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 23:20:51,781 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:51,781 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:51,984 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:51,984 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:51,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:51,985 INFO L82 PathProgramCache]: Analyzing trace with hash 461065245, now seen corresponding path program 9 times [2019-11-15 23:20:51,985 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:51,985 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578601906] [2019-11-15 23:20:51,985 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:51,985 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:51,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:52,794 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578601906] [2019-11-15 23:20:52,794 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356949568] [2019-11-15 23:20:52,795 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:52,877 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2019-11-15 23:20:52,878 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:20:52,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 36 conjunts are in the unsatisfiable core [2019-11-15 23:20:52,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:52,892 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:20:52,892 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:52,899 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:52,900 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:52,900 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-11-15 23:20:53,022 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:53,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:53,031 INFO L341 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2019-11-15 23:20:53,031 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 43 [2019-11-15 23:20:53,032 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:53,040 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:53,040 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:20:53,041 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:69, output treesize:47 [2019-11-15 23:20:53,357 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:20:53,401 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:53,401 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:53,401 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 29 [2019-11-15 23:20:53,401 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498800344] [2019-11-15 23:20:53,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-11-15 23:20:53,402 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:53,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-11-15 23:20:53,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=740, Unknown=0, NotChecked=0, Total=812 [2019-11-15 23:20:53,402 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 29 states. [2019-11-15 23:20:55,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:55,715 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2019-11-15 23:20:55,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-11-15 23:20:55,716 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 33 [2019-11-15 23:20:55,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:55,717 INFO L225 Difference]: With dead ends: 74 [2019-11-15 23:20:55,717 INFO L226 Difference]: Without dead ends: 72 [2019-11-15 23:20:55,718 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=347, Invalid=3313, Unknown=0, NotChecked=0, Total=3660 [2019-11-15 23:20:55,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-11-15 23:20:55,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 43. [2019-11-15 23:20:55,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-15 23:20:55,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2019-11-15 23:20:55,726 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 33 [2019-11-15 23:20:55,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:55,726 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2019-11-15 23:20:55,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-11-15 23:20:55,727 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2019-11-15 23:20:55,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-15 23:20:55,728 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:55,728 INFO L380 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 3, 3, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:55,929 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:55,930 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:55,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:55,930 INFO L82 PathProgramCache]: Analyzing trace with hash -192800243, now seen corresponding path program 10 times [2019-11-15 23:20:55,930 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:55,930 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126460596] [2019-11-15 23:20:55,930 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:55,930 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:55,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 51 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:56,070 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126460596] [2019-11-15 23:20:56,070 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606061898] [2019-11-15 23:20:56,070 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:56,184 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 23:20:56,184 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:20:56,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-15 23:20:56,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 72 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:56,356 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:56,356 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 22 [2019-11-15 23:20:56,357 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075304410] [2019-11-15 23:20:56,357 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-15 23:20:56,357 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:56,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-15 23:20:56,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2019-11-15 23:20:56,358 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 22 states. [2019-11-15 23:20:56,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:56,542 INFO L93 Difference]: Finished difference Result 91 states and 94 transitions. [2019-11-15 23:20:56,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 23:20:56,542 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 37 [2019-11-15 23:20:56,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:56,543 INFO L225 Difference]: With dead ends: 91 [2019-11-15 23:20:56,543 INFO L226 Difference]: Without dead ends: 59 [2019-11-15 23:20:56,544 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=490, Unknown=0, NotChecked=0, Total=650 [2019-11-15 23:20:56,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-11-15 23:20:56,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 43. [2019-11-15 23:20:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-15 23:20:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-15 23:20:56,560 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 37 [2019-11-15 23:20:56,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:56,560 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-15 23:20:56,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-15 23:20:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-15 23:20:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-15 23:20:56,563 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:56,563 INFO L380 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:56,767 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:56,767 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:56,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:56,768 INFO L82 PathProgramCache]: Analyzing trace with hash 527261971, now seen corresponding path program 11 times [2019-11-15 23:20:56,768 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:56,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023748541] [2019-11-15 23:20:56,768 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:56,768 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:56,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:57,298 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023748541] [2019-11-15 23:20:57,298 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980635735] [2019-11-15 23:20:57,298 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:20:57,480 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2019-11-15 23:20:57,480 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:20:57,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 43 conjunts are in the unsatisfiable core [2019-11-15 23:20:57,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:57,488 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:20:57,489 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:57,495 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:57,495 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:57,496 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:20:57,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:57,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:57,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:20:57,515 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:20:57,515 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:57,552 INFO L567 ElimStorePlain]: treesize reduction 3, result has 95.7 percent of original size [2019-11-15 23:20:57,553 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:20:57,553 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:66 [2019-11-15 23:20:58,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:20:58,357 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:58,358 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:20:58,358 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 27 [2019-11-15 23:20:58,358 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810872370] [2019-11-15 23:20:58,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-15 23:20:58,359 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:58,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-15 23:20:58,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=632, Unknown=0, NotChecked=0, Total=702 [2019-11-15 23:20:58,359 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 27 states. [2019-11-15 23:21:01,336 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2019-11-15 23:21:02,850 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2019-11-15 23:21:04,782 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2019-11-15 23:21:06,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:21:06,816 INFO L93 Difference]: Finished difference Result 96 states and 99 transitions. [2019-11-15 23:21:06,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-11-15 23:21:06,817 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 37 [2019-11-15 23:21:06,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:21:06,817 INFO L225 Difference]: With dead ends: 96 [2019-11-15 23:21:06,818 INFO L226 Difference]: Without dead ends: 94 [2019-11-15 23:21:06,819 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=301, Invalid=2350, Unknown=1, NotChecked=0, Total=2652 [2019-11-15 23:21:06,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-11-15 23:21:06,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 45. [2019-11-15 23:21:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-15 23:21:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2019-11-15 23:21:06,830 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 37 [2019-11-15 23:21:06,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:21:06,830 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2019-11-15 23:21:06,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-11-15 23:21:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2019-11-15 23:21:06,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-15 23:21:06,831 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:21:06,832 INFO L380 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1] [2019-11-15 23:21:07,037 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:07,037 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:21:07,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:21:07,038 INFO L82 PathProgramCache]: Analyzing trace with hash -67559861, now seen corresponding path program 12 times [2019-11-15 23:21:07,038 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:21:07,038 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904806390] [2019-11-15 23:21:07,038 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:07,038 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:07,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:21:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:07,716 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:07,716 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904806390] [2019-11-15 23:21:07,716 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474381903] [2019-11-15 23:21:07,716 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:07,798 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2019-11-15 23:21:07,798 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:21:07,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 45 conjunts are in the unsatisfiable core [2019-11-15 23:21:07,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:21:07,810 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:21:07,810 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:07,816 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:07,817 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:07,817 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:21:07,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:07,875 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:07,876 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:07,877 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:21:07,877 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:07,890 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:07,890 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:07,890 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:21:07,977 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:07,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:07,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:07,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:07,984 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:07,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:07,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:07,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:07,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,018 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:08,019 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 93 treesize of output 243 [2019-11-15 23:21:08,019 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:08,063 INFO L567 ElimStorePlain]: treesize reduction 192, result has 36.2 percent of original size [2019-11-15 23:21:08,063 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:08,064 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:109 [2019-11-15 23:21:08,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,172 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,173 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,174 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,174 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,175 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,179 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,183 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,190 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,191 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,191 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,192 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:08,196 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 31 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 149 [2019-11-15 23:21:08,197 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:08,241 INFO L567 ElimStorePlain]: treesize reduction 3, result has 97.8 percent of original size [2019-11-15 23:21:08,241 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:08,241 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:166, output treesize:135 [2019-11-15 23:21:09,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:09,183 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:21:09,183 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2019-11-15 23:21:09,183 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568216555] [2019-11-15 23:21:09,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-11-15 23:21:09,184 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:21:09,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-11-15 23:21:09,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1047, Unknown=0, NotChecked=0, Total=1190 [2019-11-15 23:21:09,185 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand 35 states. [2019-11-15 23:21:12,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:21:12,003 INFO L93 Difference]: Finished difference Result 115 states and 119 transitions. [2019-11-15 23:21:12,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-11-15 23:21:12,004 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 39 [2019-11-15 23:21:12,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:21:12,004 INFO L225 Difference]: With dead ends: 115 [2019-11-15 23:21:12,004 INFO L226 Difference]: Without dead ends: 113 [2019-11-15 23:21:12,006 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1265 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=584, Invalid=3972, Unknown=0, NotChecked=0, Total=4556 [2019-11-15 23:21:12,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-15 23:21:12,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 49. [2019-11-15 23:21:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-15 23:21:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2019-11-15 23:21:12,021 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 39 [2019-11-15 23:21:12,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:21:12,021 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2019-11-15 23:21:12,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-11-15 23:21:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2019-11-15 23:21:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-15 23:21:12,022 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:21:12,022 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2019-11-15 23:21:12,225 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:12,226 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:21:12,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:21:12,226 INFO L82 PathProgramCache]: Analyzing trace with hash 652502353, now seen corresponding path program 13 times [2019-11-15 23:21:12,226 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:21:12,226 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596688676] [2019-11-15 23:21:12,226 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:12,226 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:12,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:21:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:12,776 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596688676] [2019-11-15 23:21:12,776 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17029668] [2019-11-15 23:21:12,776 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:12,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 42 conjunts are in the unsatisfiable core [2019-11-15 23:21:12,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:21:12,882 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:21:12,883 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:12,892 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:12,892 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:12,892 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:21:13,044 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:13,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:13,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:13,047 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 43 [2019-11-15 23:21:13,047 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:13,060 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:13,060 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:21:13,060 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:50 [2019-11-15 23:21:13,380 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:13,415 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:21:13,415 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2019-11-15 23:21:13,415 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924907877] [2019-11-15 23:21:13,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-11-15 23:21:13,416 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:21:13,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-11-15 23:21:13,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=833, Unknown=0, NotChecked=0, Total=930 [2019-11-15 23:21:13,417 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand 31 states. [2019-11-15 23:21:14,549 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-11-15 23:21:15,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:21:15,226 INFO L93 Difference]: Finished difference Result 84 states and 87 transitions. [2019-11-15 23:21:15,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-11-15 23:21:15,227 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 39 [2019-11-15 23:21:15,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:21:15,227 INFO L225 Difference]: With dead ends: 84 [2019-11-15 23:21:15,227 INFO L226 Difference]: Without dead ends: 82 [2019-11-15 23:21:15,228 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 27 SyntacticMatches, 4 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=299, Invalid=2893, Unknown=0, NotChecked=0, Total=3192 [2019-11-15 23:21:15,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-11-15 23:21:15,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 49. [2019-11-15 23:21:15,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-15 23:21:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2019-11-15 23:21:15,242 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 39 [2019-11-15 23:21:15,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:21:15,242 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2019-11-15 23:21:15,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-11-15 23:21:15,242 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2019-11-15 23:21:15,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-15 23:21:15,243 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:21:15,243 INFO L380 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1] [2019-11-15 23:21:15,447 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:15,447 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:21:15,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:21:15,447 INFO L82 PathProgramCache]: Analyzing trace with hash 188378177, now seen corresponding path program 14 times [2019-11-15 23:21:15,447 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:21:15,447 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084030621] [2019-11-15 23:21:15,447 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:15,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:15,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:21:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:16,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084030621] [2019-11-15 23:21:16,293 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512800961] [2019-11-15 23:21:16,293 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:16,367 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 23:21:16,367 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:21:16,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 48 conjunts are in the unsatisfiable core [2019-11-15 23:21:16,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:21:16,376 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:21:16,377 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:16,383 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:16,384 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:16,384 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:21:16,415 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,418 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,418 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:21:16,419 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:16,430 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:16,430 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:16,430 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:21:16,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,523 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 97 [2019-11-15 23:21:16,524 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:16,541 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:16,541 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:16,541 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:123, output treesize:95 [2019-11-15 23:21:16,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,646 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,646 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,647 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,650 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,652 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,656 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,659 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,660 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,664 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,667 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,695 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:16,696 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 4 case distinctions, treesize of input 125 treesize of output 287 [2019-11-15 23:21:16,697 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:16,752 INFO L567 ElimStorePlain]: treesize reduction 192, result has 42.3 percent of original size [2019-11-15 23:21:16,753 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:16,753 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:169, output treesize:141 [2019-11-15 23:21:16,875 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,878 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,878 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,879 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,880 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,882 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,883 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,896 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,898 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,899 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,899 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,900 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,901 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,903 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,904 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,904 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,905 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,906 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,908 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,910 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,910 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,912 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,913 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,916 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,918 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:16,922 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 57 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 193 [2019-11-15 23:21:16,923 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:16,989 INFO L567 ElimStorePlain]: treesize reduction 3, result has 98.2 percent of original size [2019-11-15 23:21:16,989 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:16,989 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:198, output treesize:167 [2019-11-15 23:21:18,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:18,189 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:21:18,189 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 38 [2019-11-15 23:21:18,189 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638975739] [2019-11-15 23:21:18,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-11-15 23:21:18,190 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:21:18,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-11-15 23:21:18,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1246, Unknown=0, NotChecked=0, Total=1406 [2019-11-15 23:21:18,191 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand 38 states. [2019-11-15 23:21:19,211 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-11-15 23:21:21,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:21:21,073 INFO L93 Difference]: Finished difference Result 127 states and 131 transitions. [2019-11-15 23:21:21,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-11-15 23:21:21,073 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 43 [2019-11-15 23:21:21,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:21:21,074 INFO L225 Difference]: With dead ends: 127 [2019-11-15 23:21:21,074 INFO L226 Difference]: Without dead ends: 125 [2019-11-15 23:21:21,075 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1473 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=629, Invalid=4627, Unknown=0, NotChecked=0, Total=5256 [2019-11-15 23:21:21,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-15 23:21:21,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 53. [2019-11-15 23:21:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-15 23:21:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 56 transitions. [2019-11-15 23:21:21,091 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 56 transitions. Word has length 43 [2019-11-15 23:21:21,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:21:21,091 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 56 transitions. [2019-11-15 23:21:21,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-11-15 23:21:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2019-11-15 23:21:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-15 23:21:21,091 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:21:21,091 INFO L380 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1] [2019-11-15 23:21:21,292 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:21,292 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:21:21,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:21:21,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1317093305, now seen corresponding path program 15 times [2019-11-15 23:21:21,293 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:21:21,293 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411498139] [2019-11-15 23:21:21,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:21,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:21,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:21:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:22,146 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:22,146 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411498139] [2019-11-15 23:21:22,146 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352648058] [2019-11-15 23:21:22,146 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:22,258 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2019-11-15 23:21:22,258 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:21:22,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 48 conjunts are in the unsatisfiable core [2019-11-15 23:21:22,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:21:22,264 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:21:22,264 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:22,271 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:22,271 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:22,271 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:21:22,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,416 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,424 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:21:22,425 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:22,456 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:22,457 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:22,457 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:21:22,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,570 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,572 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,572 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:22,573 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 111 [2019-11-15 23:21:22,574 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:22,608 INFO L567 ElimStorePlain]: treesize reduction 3, result has 97.3 percent of original size [2019-11-15 23:21:22,608 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:22,608 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:109 [2019-11-15 23:21:23,244 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:23,297 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:23,297 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:21:23,297 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20] total 37 [2019-11-15 23:21:23,297 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654927580] [2019-11-15 23:21:23,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-11-15 23:21:23,298 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:21:23,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-11-15 23:21:23,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1196, Unknown=0, NotChecked=0, Total=1332 [2019-11-15 23:21:23,299 INFO L87 Difference]: Start difference. First operand 53 states and 56 transitions. Second operand 37 states. [2019-11-15 23:21:25,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:21:25,755 INFO L93 Difference]: Finished difference Result 136 states and 141 transitions. [2019-11-15 23:21:25,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2019-11-15 23:21:25,756 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 43 [2019-11-15 23:21:25,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:21:25,756 INFO L225 Difference]: With dead ends: 136 [2019-11-15 23:21:25,756 INFO L226 Difference]: Without dead ends: 134 [2019-11-15 23:21:25,758 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1504 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=526, Invalid=5174, Unknown=0, NotChecked=0, Total=5700 [2019-11-15 23:21:25,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-15 23:21:25,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 55. [2019-11-15 23:21:25,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-15 23:21:25,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2019-11-15 23:21:25,775 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 43 [2019-11-15 23:21:25,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:21:25,775 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2019-11-15 23:21:25,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-11-15 23:21:25,775 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2019-11-15 23:21:25,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 23:21:25,776 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:21:25,776 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1] [2019-11-15 23:21:25,976 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:25,976 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:21:25,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:21:25,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1818566149, now seen corresponding path program 16 times [2019-11-15 23:21:25,977 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:21:25,977 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005702820] [2019-11-15 23:21:25,977 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:25,977 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:25,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:21:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:26,440 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005702820] [2019-11-15 23:21:26,440 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628291982] [2019-11-15 23:21:26,440 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:26,667 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 23:21:26,667 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:21:26,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 46 conjunts are in the unsatisfiable core [2019-11-15 23:21:26,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:21:26,675 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:21:26,676 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:26,682 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:26,683 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:26,683 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:21:26,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:26,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:26,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:26,870 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 43 [2019-11-15 23:21:26,870 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:26,880 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:26,880 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:21:26,880 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:50 [2019-11-15 23:21:27,273 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:27,315 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:21:27,315 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 35 [2019-11-15 23:21:27,315 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077081922] [2019-11-15 23:21:27,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-11-15 23:21:27,316 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:21:27,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-11-15 23:21:27,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1082, Unknown=0, NotChecked=0, Total=1190 [2019-11-15 23:21:27,316 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 35 states. [2019-11-15 23:21:28,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:21:28,678 INFO L93 Difference]: Finished difference Result 95 states and 99 transitions. [2019-11-15 23:21:28,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2019-11-15 23:21:28,678 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 45 [2019-11-15 23:21:28,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:21:28,679 INFO L225 Difference]: With dead ends: 95 [2019-11-15 23:21:28,679 INFO L226 Difference]: Without dead ends: 93 [2019-11-15 23:21:28,680 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=340, Invalid=3820, Unknown=0, NotChecked=0, Total=4160 [2019-11-15 23:21:28,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-11-15 23:21:28,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 55. [2019-11-15 23:21:28,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-15 23:21:28,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2019-11-15 23:21:28,697 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 45 [2019-11-15 23:21:28,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:21:28,697 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2019-11-15 23:21:28,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-11-15 23:21:28,698 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2019-11-15 23:21:28,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-15 23:21:28,698 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:21:28,698 INFO L380 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 4, 4, 1, 1, 1, 1, 1, 1] [2019-11-15 23:21:28,898 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:28,899 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:21:28,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:21:28,899 INFO L82 PathProgramCache]: Analyzing trace with hash -594030793, now seen corresponding path program 17 times [2019-11-15 23:21:28,899 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:21:28,899 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774506947] [2019-11-15 23:21:28,899 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:28,899 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:28,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:21:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:29,093 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 99 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:29,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774506947] [2019-11-15 23:21:29,094 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859373319] [2019-11-15 23:21:29,094 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:29,353 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2019-11-15 23:21:29,353 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:21:29,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-15 23:21:29,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:21:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 128 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:29,528 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:21:29,528 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 27 [2019-11-15 23:21:29,528 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057005471] [2019-11-15 23:21:29,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-15 23:21:29,529 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:21:29,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-15 23:21:29,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2019-11-15 23:21:29,529 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 27 states. [2019-11-15 23:21:29,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:21:29,694 INFO L93 Difference]: Finished difference Result 115 states and 119 transitions. [2019-11-15 23:21:29,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-15 23:21:29,694 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 47 [2019-11-15 23:21:29,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:21:29,695 INFO L225 Difference]: With dead ends: 115 [2019-11-15 23:21:29,695 INFO L226 Difference]: Without dead ends: 75 [2019-11-15 23:21:29,696 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=238, Invalid=754, Unknown=0, NotChecked=0, Total=992 [2019-11-15 23:21:29,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-11-15 23:21:29,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 55. [2019-11-15 23:21:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-15 23:21:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2019-11-15 23:21:29,711 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 47 [2019-11-15 23:21:29,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:21:29,711 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2019-11-15 23:21:29,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-11-15 23:21:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2019-11-15 23:21:29,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-15 23:21:29,712 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:21:29,712 INFO L380 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1] [2019-11-15 23:21:29,916 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:29,916 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:21:29,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:21:29,916 INFO L82 PathProgramCache]: Analyzing trace with hash -579002891, now seen corresponding path program 18 times [2019-11-15 23:21:29,916 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:21:29,917 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656608966] [2019-11-15 23:21:29,917 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:29,917 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:29,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:21:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:30,692 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656608966] [2019-11-15 23:21:30,693 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671482117] [2019-11-15 23:21:30,693 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:30,803 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2019-11-15 23:21:30,803 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:21:30,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 52 conjunts are in the unsatisfiable core [2019-11-15 23:21:30,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:21:30,826 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:21:30,827 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:30,833 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:30,833 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:30,834 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:21:30,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:30,900 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:30,900 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:30,901 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:21:30,901 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:30,913 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:30,913 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:30,913 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:21:31,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,020 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,022 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,025 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,026 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,027 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,028 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,059 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:31,060 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 93 treesize of output 243 [2019-11-15 23:21:31,060 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:31,104 INFO L567 ElimStorePlain]: treesize reduction 192, result has 36.2 percent of original size [2019-11-15 23:21:31,104 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:31,105 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:109 [2019-11-15 23:21:31,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,226 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,229 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,229 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,231 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,233 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,235 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,235 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,237 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,242 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,243 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,244 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,245 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,246 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,293 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:31,293 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 8 case distinctions, treesize of input 141 treesize of output 385 [2019-11-15 23:21:31,295 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:31,359 INFO L567 ElimStorePlain]: treesize reduction 356, result has 30.6 percent of original size [2019-11-15 23:21:31,359 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:31,360 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:157 [2019-11-15 23:21:31,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,500 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,524 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,527 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,531 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,531 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,532 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,534 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,534 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,536 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:31,541 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 57 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 197 [2019-11-15 23:21:31,542 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:31,631 INFO L567 ElimStorePlain]: treesize reduction 3, result has 98.3 percent of original size [2019-11-15 23:21:31,631 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:31,632 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:202, output treesize:171 [2019-11-15 23:21:32,763 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:32,850 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:21:32,850 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 42 [2019-11-15 23:21:32,850 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510561088] [2019-11-15 23:21:32,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-11-15 23:21:32,851 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:21:32,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-11-15 23:21:32,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1544, Unknown=0, NotChecked=0, Total=1722 [2019-11-15 23:21:32,851 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 42 states. [2019-11-15 23:21:36,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:21:36,499 INFO L93 Difference]: Finished difference Result 141 states and 145 transitions. [2019-11-15 23:21:36,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-11-15 23:21:36,499 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 49 [2019-11-15 23:21:36,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:21:36,500 INFO L225 Difference]: With dead ends: 141 [2019-11-15 23:21:36,500 INFO L226 Difference]: Without dead ends: 139 [2019-11-15 23:21:36,502 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1954 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=756, Invalid=6050, Unknown=0, NotChecked=0, Total=6806 [2019-11-15 23:21:36,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-11-15 23:21:36,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 59. [2019-11-15 23:21:36,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-15 23:21:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2019-11-15 23:21:36,518 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 49 [2019-11-15 23:21:36,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:21:36,518 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2019-11-15 23:21:36,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-11-15 23:21:36,519 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2019-11-15 23:21:36,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-15 23:21:36,519 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:21:36,519 INFO L380 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1] [2019-11-15 23:21:36,719 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:36,720 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:21:36,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:21:36,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1640759035, now seen corresponding path program 19 times [2019-11-15 23:21:36,720 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:21:36,720 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045470061] [2019-11-15 23:21:36,720 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:36,720 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:36,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:21:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:37,484 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045470061] [2019-11-15 23:21:37,484 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951134047] [2019-11-15 23:21:37,484 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:37,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 49 conjunts are in the unsatisfiable core [2019-11-15 23:21:37,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:21:37,573 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:21:37,574 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:37,579 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:37,579 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:37,579 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-11-15 23:21:37,793 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:37,795 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:37,817 INFO L341 Elim1Store]: treesize reduction 49, result has 23.4 percent of original size [2019-11-15 23:21:37,817 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:21:37,818 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:37,854 INFO L567 ElimStorePlain]: treesize reduction 3, result has 95.2 percent of original size [2019-11-15 23:21:37,854 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:37,854 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:60 [2019-11-15 23:21:38,647 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:38,704 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:38,704 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:21:38,705 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2019-11-15 23:21:38,705 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161841325] [2019-11-15 23:21:38,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-11-15 23:21:38,705 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:21:38,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-11-15 23:21:38,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1466, Unknown=0, NotChecked=0, Total=1560 [2019-11-15 23:21:38,706 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 40 states. [2019-11-15 23:21:42,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:21:42,174 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2019-11-15 23:21:42,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-11-15 23:21:42,175 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 49 [2019-11-15 23:21:42,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:21:42,176 INFO L225 Difference]: With dead ends: 125 [2019-11-15 23:21:42,176 INFO L226 Difference]: Without dead ends: 123 [2019-11-15 23:21:42,177 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1186 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=504, Invalid=5976, Unknown=0, NotChecked=0, Total=6480 [2019-11-15 23:21:42,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-15 23:21:42,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 62. [2019-11-15 23:21:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-15 23:21:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2019-11-15 23:21:42,200 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 49 [2019-11-15 23:21:42,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:21:42,200 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2019-11-15 23:21:42,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-11-15 23:21:42,200 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2019-11-15 23:21:42,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-15 23:21:42,200 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:21:42,201 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1] [2019-11-15 23:21:42,404 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:42,404 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:21:42,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:21:42,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1097296327, now seen corresponding path program 20 times [2019-11-15 23:21:42,404 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:21:42,404 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355664407] [2019-11-15 23:21:42,405 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:42,405 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:42,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:21:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:43,166 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355664407] [2019-11-15 23:21:43,166 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938837795] [2019-11-15 23:21:43,167 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:43,256 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 23:21:43,256 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:21:43,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 50 conjunts are in the unsatisfiable core [2019-11-15 23:21:43,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:21:43,262 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:21:43,262 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:43,269 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:43,269 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:43,269 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:21:43,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:43,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:43,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:43,498 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 43 [2019-11-15 23:21:43,498 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:43,508 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:43,508 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:21:43,508 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:50 [2019-11-15 23:21:43,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:44,037 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:44,038 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:21:44,038 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 39 [2019-11-15 23:21:44,038 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373699778] [2019-11-15 23:21:44,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-11-15 23:21:44,038 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:21:44,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-11-15 23:21:44,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1359, Unknown=0, NotChecked=0, Total=1482 [2019-11-15 23:21:44,039 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 39 states. [2019-11-15 23:21:45,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:21:45,877 INFO L93 Difference]: Finished difference Result 137 states and 141 transitions. [2019-11-15 23:21:45,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2019-11-15 23:21:45,878 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 51 [2019-11-15 23:21:45,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:21:45,878 INFO L225 Difference]: With dead ends: 137 [2019-11-15 23:21:45,879 INFO L226 Difference]: Without dead ends: 135 [2019-11-15 23:21:45,879 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1374 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=385, Invalid=4871, Unknown=0, NotChecked=0, Total=5256 [2019-11-15 23:21:45,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-15 23:21:45,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 59. [2019-11-15 23:21:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-15 23:21:45,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2019-11-15 23:21:45,901 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 51 [2019-11-15 23:21:45,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:21:45,901 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2019-11-15 23:21:45,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 39 states. [2019-11-15 23:21:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2019-11-15 23:21:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-15 23:21:45,902 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:21:45,902 INFO L380 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 5, 5, 1, 1, 1, 1, 1, 1] [2019-11-15 23:21:46,105 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:46,105 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:21:46,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:21:46,105 INFO L82 PathProgramCache]: Analyzing trace with hash -2046654741, now seen corresponding path program 21 times [2019-11-15 23:21:46,105 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:21:46,105 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477394127] [2019-11-15 23:21:46,106 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:46,106 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:46,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:21:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:47,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477394127] [2019-11-15 23:21:47,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210039839] [2019-11-15 23:21:47,228 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:47,395 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2019-11-15 23:21:47,395 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:21:47,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 55 conjunts are in the unsatisfiable core [2019-11-15 23:21:47,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:21:47,401 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:21:47,401 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:47,408 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:47,408 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:47,408 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:21:47,445 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,447 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,449 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:21:47,449 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:47,463 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:47,463 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:47,463 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:21:47,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,569 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 111 [2019-11-15 23:21:47,570 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:47,586 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:47,586 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:47,586 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:109 [2019-11-15 23:21:47,700 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,702 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,708 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,717 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,719 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,719 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,728 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,729 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,759 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:47,759 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 4 case distinctions, treesize of input 115 treesize of output 257 [2019-11-15 23:21:47,760 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:47,821 INFO L567 ElimStorePlain]: treesize reduction 167, result has 44.0 percent of original size [2019-11-15 23:21:47,821 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:47,821 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:159, output treesize:131 [2019-11-15 23:21:47,972 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,974 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,975 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,977 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,977 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,984 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,992 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,992 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,995 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:47,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,006 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,101 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:48,102 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 45 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 12 case distinctions, treesize of input 161 treesize of output 509 [2019-11-15 23:21:48,104 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:48,201 INFO L567 ElimStorePlain]: treesize reduction 489, result has 26.6 percent of original size [2019-11-15 23:21:48,201 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:48,201 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:177 [2019-11-15 23:21:48,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,367 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,370 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,371 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,371 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,372 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,373 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,376 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,377 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,377 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,379 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,380 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,381 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,381 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,382 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,385 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,386 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,391 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,392 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,394 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,395 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,396 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,396 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,398 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,400 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,403 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,405 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,406 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,408 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,409 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,410 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,410 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,411 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,412 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,413 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,413 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,415 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,416 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,416 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,418 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,425 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,426 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,429 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,432 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,433 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,433 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,434 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,435 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,436 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,438 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:48,440 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 91 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 263 [2019-11-15 23:21:48,441 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:48,511 INFO L567 ElimStorePlain]: treesize reduction 3, result has 98.7 percent of original size [2019-11-15 23:21:48,511 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:48,511 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:256, output treesize:225 [2019-11-15 23:21:49,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 91 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:50,033 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:21:50,033 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 25] total 45 [2019-11-15 23:21:50,033 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132927522] [2019-11-15 23:21:50,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2019-11-15 23:21:50,033 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:21:50,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2019-11-15 23:21:50,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1759, Unknown=0, NotChecked=0, Total=1980 [2019-11-15 23:21:50,034 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 45 states. [2019-11-15 23:21:53,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:21:53,420 INFO L93 Difference]: Finished difference Result 186 states and 191 transitions. [2019-11-15 23:21:53,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2019-11-15 23:21:53,420 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 53 [2019-11-15 23:21:53,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:21:53,421 INFO L225 Difference]: With dead ends: 186 [2019-11-15 23:21:53,421 INFO L226 Difference]: Without dead ends: 142 [2019-11-15 23:21:53,422 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 31 SyntacticMatches, 3 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2058 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=824, Invalid=6658, Unknown=0, NotChecked=0, Total=7482 [2019-11-15 23:21:53,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-15 23:21:53,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 100. [2019-11-15 23:21:53,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-15 23:21:53,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2019-11-15 23:21:53,457 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 53 [2019-11-15 23:21:53,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:21:53,458 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2019-11-15 23:21:53,458 INFO L463 AbstractCegarLoop]: Interpolant automaton has 45 states. [2019-11-15 23:21:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2019-11-15 23:21:53,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-15 23:21:53,458 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:21:53,458 INFO L380 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2019-11-15 23:21:53,659 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:53,659 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:21:53,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:21:53,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1773308687, now seen corresponding path program 22 times [2019-11-15 23:21:53,659 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:21:53,659 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413962382] [2019-11-15 23:21:53,659 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:53,660 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:21:53,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:21:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:21:54,399 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:54,399 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413962382] [2019-11-15 23:21:54,399 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004115806] [2019-11-15 23:21:54,399 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:21:54,642 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 23:21:54,642 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:21:54,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 53 conjunts are in the unsatisfiable core [2019-11-15 23:21:54,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:21:54,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:54,811 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 23:21:54,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:54,813 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:54,813 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 23:21:54,829 INFO L341 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2019-11-15 23:21:54,829 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:21:54,829 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:54,839 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:54,840 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:54,840 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:87, output treesize:59 [2019-11-15 23:21:54,939 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:54,942 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:54,942 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 23:21:54,943 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:54,944 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:54,944 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 23:21:54,945 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:54,947 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:54,949 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:54,950 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:54,951 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:54,951 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 23:21:54,952 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 23:21:55,133 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2019-11-15 23:21:55,133 INFO L341 Elim1Store]: treesize reduction 88, result has 79.4 percent of original size [2019-11-15 23:21:55,134 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 93 treesize of output 371 [2019-11-15 23:21:55,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:55,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:55,135 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:55,135 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:55,136 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:55,265 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2019-11-15 23:21:55,265 INFO L567 ElimStorePlain]: treesize reduction 444, result has 19.1 percent of original size [2019-11-15 23:21:55,265 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:55,265 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:133, output treesize:105 [2019-11-15 23:21:55,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,396 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,398 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,400 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,403 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 23:21:55,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,406 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,408 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,409 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 23:21:55,410 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,411 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,418 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,425 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,426 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,429 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,429 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 23:21:55,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,432 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,433 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,434 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,435 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 23:21:55,436 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,438 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:21:55,439 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 23:21:55,440 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 23:21:55,505 INFO L341 Elim1Store]: treesize reduction 44, result has 57.3 percent of original size [2019-11-15 23:21:55,505 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 16 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 47 case distinctions, treesize of input 119 treesize of output 181 [2019-11-15 23:21:55,506 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:55,565 INFO L567 ElimStorePlain]: treesize reduction 23, result has 85.1 percent of original size [2019-11-15 23:21:55,565 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:55,565 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:162, output treesize:131 [2019-11-15 23:21:56,825 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:21:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:56,908 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:21:56,908 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24] total 45 [2019-11-15 23:21:56,908 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671767452] [2019-11-15 23:21:56,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2019-11-15 23:21:56,909 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:21:56,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2019-11-15 23:21:56,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1875, Unknown=0, NotChecked=0, Total=1980 [2019-11-15 23:21:56,909 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand 45 states. [2019-11-15 23:22:03,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:22:03,100 INFO L93 Difference]: Finished difference Result 179 states and 184 transitions. [2019-11-15 23:22:03,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2019-11-15 23:22:03,101 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 53 [2019-11-15 23:22:03,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:22:03,102 INFO L225 Difference]: With dead ends: 179 [2019-11-15 23:22:03,102 INFO L226 Difference]: Without dead ends: 177 [2019-11-15 23:22:03,102 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3264 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=904, Invalid=11978, Unknown=0, NotChecked=0, Total=12882 [2019-11-15 23:22:03,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-11-15 23:22:03,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 68. [2019-11-15 23:22:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-15 23:22:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2019-11-15 23:22:03,138 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 53 [2019-11-15 23:22:03,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:22:03,138 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2019-11-15 23:22:03,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 45 states. [2019-11-15 23:22:03,138 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2019-11-15 23:22:03,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-15 23:22:03,139 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:22:03,139 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1] [2019-11-15 23:22:03,343 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:22:03,343 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:22:03,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:22:03,343 INFO L82 PathProgramCache]: Analyzing trace with hash 820112877, now seen corresponding path program 23 times [2019-11-15 23:22:03,343 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:22:03,343 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022635263] [2019-11-15 23:22:03,343 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:22:03,343 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:22:03,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:22:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:22:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:22:04,105 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022635263] [2019-11-15 23:22:04,105 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066074521] [2019-11-15 23:22:04,105 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:22:05,206 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2019-11-15 23:22:05,206 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:22:05,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 54 conjunts are in the unsatisfiable core [2019-11-15 23:22:05,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:22:05,218 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:22:05,218 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:22:05,225 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:22:05,225 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:22:05,225 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:22:05,542 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:05,544 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:05,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:05,545 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 43 [2019-11-15 23:22:05,546 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:22:05,555 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:22:05,556 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:22:05,556 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:50 [2019-11-15 23:22:06,105 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:22:06,162 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:22:06,163 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:22:06,163 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2019-11-15 23:22:06,163 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884136656] [2019-11-15 23:22:06,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-11-15 23:22:06,164 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:22:06,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-11-15 23:22:06,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1672, Unknown=0, NotChecked=0, Total=1806 [2019-11-15 23:22:06,164 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand 43 states. [2019-11-15 23:22:08,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:22:08,159 INFO L93 Difference]: Finished difference Result 151 states and 155 transitions. [2019-11-15 23:22:08,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2019-11-15 23:22:08,160 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 57 [2019-11-15 23:22:08,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:22:08,160 INFO L225 Difference]: With dead ends: 151 [2019-11-15 23:22:08,161 INFO L226 Difference]: Without dead ends: 149 [2019-11-15 23:22:08,161 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1615 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=426, Invalid=6054, Unknown=0, NotChecked=0, Total=6480 [2019-11-15 23:22:08,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-11-15 23:22:08,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 65. [2019-11-15 23:22:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-15 23:22:08,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2019-11-15 23:22:08,200 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 57 [2019-11-15 23:22:08,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:22:08,200 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2019-11-15 23:22:08,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-11-15 23:22:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2019-11-15 23:22:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-15 23:22:08,201 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:22:08,201 INFO L380 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 6, 6, 1, 1, 1, 1, 1, 1] [2019-11-15 23:22:08,405 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:22:08,406 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:22:08,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:22:08,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1106705951, now seen corresponding path program 24 times [2019-11-15 23:22:08,406 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:22:08,406 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195320313] [2019-11-15 23:22:08,406 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:22:08,406 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:22:08,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:22:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:22:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:22:09,645 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195320313] [2019-11-15 23:22:09,645 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554879971] [2019-11-15 23:22:09,646 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:22:09,816 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2019-11-15 23:22:09,816 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:22:09,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 59 conjunts are in the unsatisfiable core [2019-11-15 23:22:09,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:22:09,831 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:22:09,832 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:22:09,846 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:22:09,846 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:22:09,846 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:22:09,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:09,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:09,857 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:09,858 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:22:09,858 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:22:09,871 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:22:09,871 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:22:09,871 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:66 [2019-11-15 23:22:09,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:09,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:09,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:09,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:09,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:09,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:09,992 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:09,992 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:09,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,022 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:22:10,022 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 93 treesize of output 243 [2019-11-15 23:22:10,023 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:22:10,075 INFO L567 ElimStorePlain]: treesize reduction 192, result has 36.8 percent of original size [2019-11-15 23:22:10,076 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:22:10,076 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:112 [2019-11-15 23:22:10,217 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,219 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,221 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,223 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,223 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,226 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,229 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,233 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,236 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,239 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,242 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,290 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:22:10,290 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 8 case distinctions, treesize of input 141 treesize of output 385 [2019-11-15 23:22:10,291 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:22:10,363 INFO L567 ElimStorePlain]: treesize reduction 356, result has 31.0 percent of original size [2019-11-15 23:22:10,363 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:22:10,364 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:188, output treesize:160 [2019-11-15 23:22:10,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,527 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,531 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,532 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,534 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,544 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,546 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,548 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,550 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,551 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,557 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,674 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-15 23:22:10,674 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:22:10,674 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 41 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 16 case distinctions, treesize of input 189 treesize of output 665 [2019-11-15 23:22:10,677 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:22:10,791 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 67 [2019-11-15 23:22:10,791 INFO L567 ElimStorePlain]: treesize reduction 721, result has 22.4 percent of original size [2019-11-15 23:22:10,792 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:22:10,792 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:236, output treesize:208 [2019-11-15 23:22:10,978 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,984 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,992 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,995 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,996 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,996 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:10,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,006 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,007 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,007 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,019 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,020 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,022 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,024 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,025 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,025 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,026 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,027 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,028 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,030 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,031 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,035 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,037 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,040 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,042 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,044 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,045 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,047 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,049 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,052 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,052 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:22:11,056 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 91 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 291 [2019-11-15 23:22:11,057 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:22:11,134 INFO L567 ElimStorePlain]: treesize reduction 3, result has 98.8 percent of original size [2019-11-15 23:22:11,134 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:22:11,134 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:287, output treesize:256 [2019-11-15 23:22:32,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:22:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:22:33,024 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:22:33,024 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 27] total 47 [2019-11-15 23:22:33,024 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591167090] [2019-11-15 23:22:33,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2019-11-15 23:22:33,024 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:22:33,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2019-11-15 23:22:33,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2019, Unknown=6, NotChecked=0, Total=2162 [2019-11-15 23:22:33,025 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand 47 states. [2019-11-15 23:22:55,898 WARN L191 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2019-11-15 23:22:58,303 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 141 DAG size of output: 92 [2019-11-15 23:23:01,015 WARN L191 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 165 DAG size of output: 92 [2019-11-15 23:23:03,266 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 164 DAG size of output: 91 [2019-11-15 23:23:06,296 WARN L191 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 170 DAG size of output: 92 [2019-11-15 23:23:10,816 WARN L191 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 176 DAG size of output: 93 [2019-11-15 23:23:16,365 WARN L191 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 180 DAG size of output: 92 [2019-11-15 23:23:18,437 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 171 DAG size of output: 115 [2019-11-15 23:23:22,824 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 89 [2019-11-15 23:23:26,456 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-11-15 23:23:26,823 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-11-15 23:23:29,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:23:29,908 INFO L93 Difference]: Finished difference Result 167 states and 171 transitions. [2019-11-15 23:23:29,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2019-11-15 23:23:29,908 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 59 [2019-11-15 23:23:29,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:23:29,909 INFO L225 Difference]: With dead ends: 167 [2019-11-15 23:23:29,909 INFO L226 Difference]: Without dead ends: 165 [2019-11-15 23:23:29,910 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2352 ImplicationChecksByTransitivity, 61.9s TimeCoverageRelationStatistics Valid=827, Invalid=8091, Unknown=12, NotChecked=0, Total=8930 [2019-11-15 23:23:29,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-11-15 23:23:29,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 69. [2019-11-15 23:23:29,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-15 23:23:29,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 72 transitions. [2019-11-15 23:23:29,940 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 72 transitions. Word has length 59 [2019-11-15 23:23:29,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:23:29,940 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 72 transitions. [2019-11-15 23:23:29,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 47 states. [2019-11-15 23:23:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 72 transitions. [2019-11-15 23:23:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-15 23:23:29,940 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:23:29,940 INFO L380 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1] [2019-11-15 23:23:30,141 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:23:30,141 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:23:30,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:23:30,141 INFO L82 PathProgramCache]: Analyzing trace with hash 930052389, now seen corresponding path program 25 times [2019-11-15 23:23:30,141 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:23:30,141 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046708263] [2019-11-15 23:23:30,141 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:23:30,142 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:23:30,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:23:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:23:31,075 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:31,075 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046708263] [2019-11-15 23:23:31,075 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343287096] [2019-11-15 23:23:31,076 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:23:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:23:31,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 58 conjunts are in the unsatisfiable core [2019-11-15 23:23:31,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:23:31,213 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:23:31,213 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:31,226 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:31,226 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:31,226 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:23:31,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,506 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:23:31,507 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:31,518 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:31,518 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:31,519 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:23:31,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,628 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,630 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,632 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,633 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,635 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:31,638 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 111 [2019-11-15 23:23:31,638 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:31,672 INFO L567 ElimStorePlain]: treesize reduction 3, result has 97.3 percent of original size [2019-11-15 23:23:31,672 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:31,672 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:109 [2019-11-15 23:23:32,634 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:23:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:32,714 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:23:32,714 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2019-11-15 23:23:32,714 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059121227] [2019-11-15 23:23:32,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 48 states [2019-11-15 23:23:32,715 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:23:32,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2019-11-15 23:23:32,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=2073, Unknown=0, NotChecked=0, Total=2256 [2019-11-15 23:23:32,715 INFO L87 Difference]: Start difference. First operand 69 states and 72 transitions. Second operand 48 states. [2019-11-15 23:23:37,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:23:37,836 INFO L93 Difference]: Finished difference Result 222 states and 228 transitions. [2019-11-15 23:23:37,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2019-11-15 23:23:37,837 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 59 [2019-11-15 23:23:37,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:23:37,838 INFO L225 Difference]: With dead ends: 222 [2019-11-15 23:23:37,838 INFO L226 Difference]: Without dead ends: 220 [2019-11-15 23:23:37,839 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4836 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=988, Invalid=14264, Unknown=0, NotChecked=0, Total=15252 [2019-11-15 23:23:37,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2019-11-15 23:23:37,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 74. [2019-11-15 23:23:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-15 23:23:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions. [2019-11-15 23:23:37,872 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 59 [2019-11-15 23:23:37,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:23:37,872 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions. [2019-11-15 23:23:37,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 48 states. [2019-11-15 23:23:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2019-11-15 23:23:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-15 23:23:37,873 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:23:37,873 INFO L380 BasicCegarLoop]: trace histogram [12, 11, 11, 11, 6, 6, 1, 1, 1, 1, 1, 1] [2019-11-15 23:23:38,073 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:23:38,073 INFO L410 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:23:38,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:23:38,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1557938709, now seen corresponding path program 26 times [2019-11-15 23:23:38,074 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:23:38,074 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194725741] [2019-11-15 23:23:38,074 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:23:38,074 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:23:38,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:23:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:23:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:39,579 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194725741] [2019-11-15 23:23:39,579 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766011382] [2019-11-15 23:23:39,579 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:23:39,703 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 23:23:39,703 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:23:39,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 62 conjunts are in the unsatisfiable core [2019-11-15 23:23:39,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:23:39,709 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:23:39,710 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:39,717 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:39,717 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:39,717 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:23:39,759 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,763 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:23:39,763 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:39,774 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:39,775 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:39,775 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:23:39,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,896 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,898 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:39,899 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 111 [2019-11-15 23:23:39,899 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:39,916 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:39,916 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:39,916 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:109 [2019-11-15 23:23:40,049 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,052 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,053 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,057 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,058 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,059 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,062 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,065 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,067 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,067 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,068 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,069 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,071 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,072 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,073 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,073 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,102 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:40,103 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 4 case distinctions, treesize of input 115 treesize of output 257 [2019-11-15 23:23:40,104 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:40,164 INFO L567 ElimStorePlain]: treesize reduction 167, result has 44.0 percent of original size [2019-11-15 23:23:40,164 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:40,164 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:159, output treesize:131 [2019-11-15 23:23:40,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,327 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,328 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,332 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,332 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,334 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,336 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,340 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,343 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,361 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,365 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,367 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,455 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:40,455 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 45 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 12 case distinctions, treesize of input 161 treesize of output 509 [2019-11-15 23:23:40,457 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:40,554 INFO L567 ElimStorePlain]: treesize reduction 489, result has 26.6 percent of original size [2019-11-15 23:23:40,555 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:40,555 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:177 [2019-11-15 23:23:40,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,754 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,754 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,755 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,756 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,758 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,759 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,760 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,776 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,778 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,780 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,781 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,782 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,788 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,788 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,789 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,790 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,793 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,794 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,796 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,796 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,797 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,798 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,799 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,800 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,804 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,807 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:40,943 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-15 23:23:40,943 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:40,944 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 71 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 20 case distinctions, treesize of input 187 treesize of output 641 [2019-11-15 23:23:40,946 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:41,099 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 76 [2019-11-15 23:23:41,099 INFO L567 ElimStorePlain]: treesize reduction 686, result has 22.8 percent of original size [2019-11-15 23:23:41,100 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:41,100 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:231, output treesize:203 [2019-11-15 23:23:41,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,316 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,316 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,318 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,319 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,319 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,320 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,321 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,323 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,324 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,326 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,327 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,328 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,328 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,331 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,331 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,332 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,333 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,334 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,334 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,336 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,340 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,343 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,361 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,365 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,365 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,367 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,370 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,371 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,372 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,372 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,373 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,376 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,377 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,379 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,380 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,381 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,381 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,382 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,383 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,384 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,384 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,385 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,386 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,391 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,391 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,392 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,394 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,395 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,396 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,396 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,398 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,400 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,403 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,405 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,406 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,406 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,408 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,409 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,409 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,410 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,411 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,412 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,412 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,413 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,415 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:41,417 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 133 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 233 treesize of output 299 [2019-11-15 23:23:41,418 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:41,508 INFO L567 ElimStorePlain]: treesize reduction 3, result has 98.8 percent of original size [2019-11-15 23:23:41,508 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:41,508 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:280, output treesize:249 [2019-11-15 23:23:43,501 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:23:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:43,665 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:23:43,665 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 29] total 52 [2019-11-15 23:23:43,666 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119265753] [2019-11-15 23:23:43,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2019-11-15 23:23:43,666 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:23:43,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2019-11-15 23:23:43,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=2407, Unknown=0, NotChecked=0, Total=2652 [2019-11-15 23:23:43,666 INFO L87 Difference]: Start difference. First operand 74 states and 79 transitions. Second operand 52 states. [2019-11-15 23:23:44,603 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2019-11-15 23:23:44,829 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 110 [2019-11-15 23:23:45,213 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 123 [2019-11-15 23:23:45,401 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2019-11-15 23:23:45,597 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-11-15 23:23:46,024 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2019-11-15 23:23:46,505 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 102 [2019-11-15 23:23:46,894 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 102 [2019-11-15 23:23:47,277 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 101 [2019-11-15 23:23:47,644 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 107 [2019-11-15 23:23:48,047 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 121 [2019-11-15 23:23:49,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:23:49,932 INFO L93 Difference]: Finished difference Result 184 states and 190 transitions. [2019-11-15 23:23:49,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2019-11-15 23:23:49,933 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 63 [2019-11-15 23:23:49,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:23:49,934 INFO L225 Difference]: With dead ends: 184 [2019-11-15 23:23:49,934 INFO L226 Difference]: Without dead ends: 182 [2019-11-15 23:23:49,934 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2869 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=1019, Invalid=9081, Unknown=0, NotChecked=0, Total=10100 [2019-11-15 23:23:49,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2019-11-15 23:23:49,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 78. [2019-11-15 23:23:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-15 23:23:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions. [2019-11-15 23:23:49,974 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 83 transitions. Word has length 63 [2019-11-15 23:23:49,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:23:49,974 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 83 transitions. [2019-11-15 23:23:49,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 52 states. [2019-11-15 23:23:49,975 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2019-11-15 23:23:49,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-15 23:23:49,975 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:23:49,975 INFO L380 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 8, 8, 1, 1, 1, 1, 1, 1] [2019-11-15 23:23:50,177 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:23:50,177 INFO L410 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:23:50,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:23:50,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1678521829, now seen corresponding path program 27 times [2019-11-15 23:23:50,177 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:23:50,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749670747] [2019-11-15 23:23:50,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:23:50,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:23:50,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:23:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:23:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:51,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749670747] [2019-11-15 23:23:51,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317306485] [2019-11-15 23:23:51,545 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:23:52,027 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-11-15 23:23:52,027 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:23:52,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 65 conjunts are in the unsatisfiable core [2019-11-15 23:23:52,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:23:52,042 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:23:52,043 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:52,049 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:52,050 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:52,050 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:23:52,053 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,056 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:23:52,056 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:52,068 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:52,068 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:52,068 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:23:52,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,173 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,174 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,175 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,179 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,183 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 111 [2019-11-15 23:23:52,184 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:52,200 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:52,201 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:52,201 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:109 [2019-11-15 23:23:52,334 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,336 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,340 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,340 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,343 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,388 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:52,388 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 303 [2019-11-15 23:23:52,389 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:52,445 INFO L567 ElimStorePlain]: treesize reduction 192, result has 45.0 percent of original size [2019-11-15 23:23:52,445 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:52,445 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:157 [2019-11-15 23:23:52,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,614 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,614 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,617 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,619 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,620 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,620 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,622 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,628 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,630 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,638 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,639 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,639 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,646 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,647 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,650 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,652 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,652 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:52,740 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:52,741 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 45 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 12 case distinctions, treesize of input 151 treesize of output 469 [2019-11-15 23:23:52,742 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:52,845 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 65 [2019-11-15 23:23:52,845 INFO L567 ElimStorePlain]: treesize reduction 444, result has 27.3 percent of original size [2019-11-15 23:23:52,845 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:52,846 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:167 [2019-11-15 23:23:53,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,035 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,037 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,042 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,044 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,047 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,049 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,052 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,057 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,057 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,058 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,059 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,060 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,062 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,065 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,067 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,067 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,068 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,069 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,069 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,072 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,073 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,074 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,075 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,086 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,093 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,095 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,097 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,099 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,104 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,109 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,111 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,112 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,115 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,116 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,117 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,119 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,121 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,270 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-15 23:23:53,270 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:53,270 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 71 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 20 case distinctions, treesize of input 197 treesize of output 691 [2019-11-15 23:23:53,273 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:53,423 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 74 [2019-11-15 23:23:53,423 INFO L567 ElimStorePlain]: treesize reduction 751, result has 22.1 percent of original size [2019-11-15 23:23:53,423 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:53,423 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:241, output treesize:213 [2019-11-15 23:23:53,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,638 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,639 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,646 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,647 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,652 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,656 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,659 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,663 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,664 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,664 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,667 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,668 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,673 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,675 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,676 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,677 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,682 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,684 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,690 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,694 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,699 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,699 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,701 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,702 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,708 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,712 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,714 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,717 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,729 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,729 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,730 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,735 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,735 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:53,739 INFO L235 Elim1Store]: Index analysis took 101 ms [2019-11-15 23:23:53,989 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2019-11-15 23:23:53,989 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:53,989 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 101 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 32 case distinctions, treesize of input 223 treesize of output 913 [2019-11-15 23:23:53,993 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:54,230 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 89 [2019-11-15 23:23:54,230 INFO L567 ElimStorePlain]: treesize reduction 1083, result has 18.1 percent of original size [2019-11-15 23:23:54,230 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:54,231 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:267, output treesize:239 [2019-11-15 23:23:54,469 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,474 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,477 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,478 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,488 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,488 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,500 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,531 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,532 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,534 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,542 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,544 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,546 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,548 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,549 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,549 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,551 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,557 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,557 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,572 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,574 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,576 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,577 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,580 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,585 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,597 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,601 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,604 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,606 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,607 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,608 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:54,608 INFO L235 Elim1Store]: Index analysis took 137 ms [2019-11-15 23:23:54,977 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2019-11-15 23:23:54,977 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:23:54,978 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 139 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 44 case distinctions, treesize of input 259 treesize of output 1145 [2019-11-15 23:23:54,983 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:55,283 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 101 [2019-11-15 23:23:55,284 INFO L567 ElimStorePlain]: treesize reduction 1445, result has 16.0 percent of original size [2019-11-15 23:23:55,284 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:55,284 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:303, output treesize:275 [2019-11-15 23:23:55,574 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,577 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,580 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,585 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,585 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,592 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,597 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,599 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,633 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,635 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,638 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,639 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,646 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,647 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,656 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,659 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,660 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,667 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,668 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,669 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,672 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,673 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,675 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,677 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,682 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,690 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,694 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,696 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,701 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,702 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,712 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,714 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,717 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,728 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,729 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,730 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,735 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,741 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,754 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,754 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,755 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,756 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,758 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,759 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,760 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,760 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,774 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,776 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,776 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,778 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,780 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,781 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,782 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,783 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,783 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,787 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,787 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,788 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,789 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,790 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,793 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,794 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,795 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,796 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,796 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,797 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,798 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,799 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,800 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,800 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,801 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,804 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,807 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,810 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,813 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,814 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,814 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,815 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,816 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,817 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,819 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,820 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,821 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,822 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,822 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,823 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,824 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,825 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,825 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,826 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:23:55,826 INFO L235 Elim1Store]: Index analysis took 250 ms [2019-11-15 23:23:55,829 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 30 select indices, 30 select index equivalence classes, 241 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 305 treesize of output 395 [2019-11-15 23:23:55,830 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:23:55,965 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2019-11-15 23:23:55,965 INFO L567 ElimStorePlain]: treesize reduction 3, result has 99.1 percent of original size [2019-11-15 23:23:55,966 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:23:55,966 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:352, output treesize:321 [2019-11-15 23:23:58,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:23:58,645 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 190 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:58,645 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:23:58,645 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 32] total 55 [2019-11-15 23:23:58,645 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342219964] [2019-11-15 23:23:58,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 55 states [2019-11-15 23:23:58,646 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:23:58,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2019-11-15 23:23:58,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=2732, Unknown=0, NotChecked=0, Total=2970 [2019-11-15 23:23:58,646 INFO L87 Difference]: Start difference. First operand 78 states and 83 transitions. Second operand 55 states. [2019-11-15 23:23:59,420 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2019-11-15 23:23:59,655 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 103 [2019-11-15 23:23:59,986 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 102 [2019-11-15 23:24:00,467 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 119 [2019-11-15 23:24:00,716 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2019-11-15 23:24:01,025 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 129 [2019-11-15 23:24:01,289 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 132 [2019-11-15 23:24:01,761 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 126 [2019-11-15 23:24:02,272 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 127 [2019-11-15 23:24:02,727 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 123 [2019-11-15 23:24:03,171 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 126 [2019-11-15 23:24:03,591 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 125 [2019-11-15 23:24:03,909 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 127 [2019-11-15 23:24:04,181 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 121 [2019-11-15 23:24:04,478 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 121 [2019-11-15 23:24:04,803 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-15 23:24:05,113 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-15 23:24:05,409 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 150 [2019-11-15 23:24:05,644 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2019-11-15 23:24:05,854 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 131 [2019-11-15 23:24:06,054 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2019-11-15 23:24:06,248 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2019-11-15 23:24:06,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:06,383 INFO L93 Difference]: Finished difference Result 194 states and 204 transitions. [2019-11-15 23:24:06,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2019-11-15 23:24:06,383 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 63 [2019-11-15 23:24:06,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:06,384 INFO L225 Difference]: With dead ends: 194 [2019-11-15 23:24:06,384 INFO L226 Difference]: Without dead ends: 126 [2019-11-15 23:24:06,385 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2273 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=969, Invalid=8151, Unknown=0, NotChecked=0, Total=9120 [2019-11-15 23:24:06,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-15 23:24:06,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 78. [2019-11-15 23:24:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-15 23:24:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2019-11-15 23:24:06,420 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 63 [2019-11-15 23:24:06,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:06,420 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2019-11-15 23:24:06,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 55 states. [2019-11-15 23:24:06,420 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2019-11-15 23:24:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-15 23:24:06,420 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:06,420 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:06,621 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:06,621 INFO L410 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:06,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:06,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1855175391, now seen corresponding path program 28 times [2019-11-15 23:24:06,621 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:06,621 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333193429] [2019-11-15 23:24:06,621 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:06,621 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:06,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:07,285 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333193429] [2019-11-15 23:24:07,285 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532636170] [2019-11-15 23:24:07,285 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:07,588 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 23:24:07,588 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:24:07,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 58 conjunts are in the unsatisfiable core [2019-11-15 23:24:07,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:24:07,595 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:24:07,596 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:07,602 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:07,603 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:07,603 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:24:07,946 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:07,948 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:07,949 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:07,950 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 43 [2019-11-15 23:24:07,950 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:07,959 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:07,960 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:24:07,960 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:50 [2019-11-15 23:24:08,651 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:24:08,726 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:08,726 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:24:08,726 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 47 [2019-11-15 23:24:08,726 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683096141] [2019-11-15 23:24:08,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2019-11-15 23:24:08,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:08,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2019-11-15 23:24:08,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=2015, Unknown=0, NotChecked=0, Total=2162 [2019-11-15 23:24:08,727 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand 47 states. [2019-11-15 23:24:10,619 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-11-15 23:24:12,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:12,346 INFO L93 Difference]: Finished difference Result 169 states and 173 transitions. [2019-11-15 23:24:12,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2019-11-15 23:24:12,346 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 63 [2019-11-15 23:24:12,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:12,347 INFO L225 Difference]: With dead ends: 169 [2019-11-15 23:24:12,347 INFO L226 Difference]: Without dead ends: 167 [2019-11-15 23:24:12,348 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1974 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=469, Invalid=7363, Unknown=0, NotChecked=0, Total=7832 [2019-11-15 23:24:12,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-11-15 23:24:12,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 75. [2019-11-15 23:24:12,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-15 23:24:12,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2019-11-15 23:24:12,390 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 63 [2019-11-15 23:24:12,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:12,390 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2019-11-15 23:24:12,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 47 states. [2019-11-15 23:24:12,390 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2019-11-15 23:24:12,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-15 23:24:12,390 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:12,391 INFO L380 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:12,595 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:12,595 INFO L410 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:12,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:12,595 INFO L82 PathProgramCache]: Analyzing trace with hash -762323751, now seen corresponding path program 29 times [2019-11-15 23:24:12,595 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:12,595 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949480402] [2019-11-15 23:24:12,595 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:12,596 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:12,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 281 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:13,686 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949480402] [2019-11-15 23:24:13,686 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342348296] [2019-11-15 23:24:13,686 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:14,882 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2019-11-15 23:24:14,882 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:24:14,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 62 conjunts are in the unsatisfiable core [2019-11-15 23:24:14,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:24:14,899 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:24:14,899 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:14,906 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:14,906 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:14,906 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:24:15,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,213 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,214 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:24:15,215 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:15,226 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:15,227 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:15,227 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:24:15,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,361 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:15,362 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 111 [2019-11-15 23:24:15,362 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:15,396 INFO L567 ElimStorePlain]: treesize reduction 3, result has 97.3 percent of original size [2019-11-15 23:24:15,397 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:15,397 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:109 [2019-11-15 23:24:16,524 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:24:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 281 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:16,616 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:24:16,616 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2019-11-15 23:24:16,616 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142080644] [2019-11-15 23:24:16,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2019-11-15 23:24:16,617 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:16,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2019-11-15 23:24:16,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=2453, Unknown=0, NotChecked=0, Total=2652 [2019-11-15 23:24:16,617 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 52 states. [2019-11-15 23:24:21,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:21,662 INFO L93 Difference]: Finished difference Result 211 states and 217 transitions. [2019-11-15 23:24:21,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2019-11-15 23:24:21,663 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 65 [2019-11-15 23:24:21,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:21,664 INFO L225 Difference]: With dead ends: 211 [2019-11-15 23:24:21,664 INFO L226 Difference]: Without dead ends: 209 [2019-11-15 23:24:21,664 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 42 SyntacticMatches, 6 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4179 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=963, Invalid=13079, Unknown=0, NotChecked=0, Total=14042 [2019-11-15 23:24:21,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-11-15 23:24:21,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 80. [2019-11-15 23:24:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-15 23:24:21,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2019-11-15 23:24:21,703 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 65 [2019-11-15 23:24:21,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:21,703 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2019-11-15 23:24:21,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 52 states. [2019-11-15 23:24:21,704 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2019-11-15 23:24:21,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-15 23:24:21,704 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:21,704 INFO L380 BasicCegarLoop]: trace histogram [13, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:21,905 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:21,905 INFO L410 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:21,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:21,905 INFO L82 PathProgramCache]: Analyzing trace with hash 988977931, now seen corresponding path program 30 times [2019-11-15 23:24:21,905 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:21,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859777904] [2019-11-15 23:24:21,905 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:21,905 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:21,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:22,204 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 243 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:22,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859777904] [2019-11-15 23:24:22,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222364046] [2019-11-15 23:24:22,204 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:22,497 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2019-11-15 23:24:22,497 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:24:22,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-15 23:24:22,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:24:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 288 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:22,826 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:24:22,826 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 37 [2019-11-15 23:24:22,827 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249330164] [2019-11-15 23:24:22,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-11-15 23:24:22,827 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:22,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-11-15 23:24:22,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=988, Unknown=0, NotChecked=0, Total=1332 [2019-11-15 23:24:22,828 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand 37 states. [2019-11-15 23:24:23,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:23,189 INFO L93 Difference]: Finished difference Result 192 states and 197 transitions. [2019-11-15 23:24:23,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-15 23:24:23,190 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 67 [2019-11-15 23:24:23,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:23,191 INFO L225 Difference]: With dead ends: 192 [2019-11-15 23:24:23,191 INFO L226 Difference]: Without dead ends: 136 [2019-11-15 23:24:23,191 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=442, Invalid=1450, Unknown=0, NotChecked=0, Total=1892 [2019-11-15 23:24:23,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-15 23:24:23,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 80. [2019-11-15 23:24:23,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-15 23:24:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2019-11-15 23:24:23,229 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 84 transitions. Word has length 67 [2019-11-15 23:24:23,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:23,230 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 84 transitions. [2019-11-15 23:24:23,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-11-15 23:24:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2019-11-15 23:24:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-15 23:24:23,230 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:23,230 INFO L380 BasicCegarLoop]: trace histogram [13, 12, 12, 12, 7, 7, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:23,431 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:23,431 INFO L410 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:23,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:23,431 INFO L82 PathProgramCache]: Analyzing trace with hash -877977911, now seen corresponding path program 31 times [2019-11-15 23:24:23,431 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:23,431 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160598715] [2019-11-15 23:24:23,431 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:23,431 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:23,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:25,412 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160598715] [2019-11-15 23:24:25,412 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195046709] [2019-11-15 23:24:25,412 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:25,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 66 conjunts are in the unsatisfiable core [2019-11-15 23:24:25,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:24:25,568 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:24:25,568 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:25,585 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:25,585 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:25,585 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:24:25,669 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:25,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:25,672 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:25,672 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:24:25,673 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:25,684 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:25,684 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:25,685 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:24:25,801 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:25,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:25,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:25,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:25,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:25,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:25,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:25,810 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:25,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:25,839 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:25,839 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 93 treesize of output 243 [2019-11-15 23:24:25,840 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:25,884 INFO L567 ElimStorePlain]: treesize reduction 192, result has 36.2 percent of original size [2019-11-15 23:24:25,885 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:25,885 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:109 [2019-11-15 23:24:26,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,025 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,026 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,027 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,031 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,032 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,032 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,035 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,037 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,040 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,042 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,045 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,045 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,092 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:26,092 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 8 case distinctions, treesize of input 119 treesize of output 321 [2019-11-15 23:24:26,093 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:26,161 INFO L567 ElimStorePlain]: treesize reduction 287, result has 32.0 percent of original size [2019-11-15 23:24:26,161 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:26,161 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:163, output treesize:135 [2019-11-15 23:24:26,326 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,331 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,332 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,333 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,336 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,336 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,340 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,343 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,361 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,365 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,367 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,484 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-15 23:24:26,485 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:26,485 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 41 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 16 case distinctions, treesize of input 165 treesize of output 581 [2019-11-15 23:24:26,487 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:26,602 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 66 [2019-11-15 23:24:26,602 INFO L567 ElimStorePlain]: treesize reduction 619, result has 22.6 percent of original size [2019-11-15 23:24:26,603 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:26,603 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:209, output treesize:181 [2019-11-15 23:24:26,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,807 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,810 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,813 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,814 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,816 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,817 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,817 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,820 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,820 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,821 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,823 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,823 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,824 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,825 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,825 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,827 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,828 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,828 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,830 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,835 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,837 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,837 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,841 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,843 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,844 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,844 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,846 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,847 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,847 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,849 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,851 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,857 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,858 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,860 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,862 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,862 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,865 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,865 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,867 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,867 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,870 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,870 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,871 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,872 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:26,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,042 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-15 23:24:27,042 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:27,042 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 67 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 24 case distinctions, treesize of input 213 treesize of output 795 [2019-11-15 23:24:27,045 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:27,214 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 77 [2019-11-15 23:24:27,215 INFO L567 ElimStorePlain]: treesize reduction 927, result has 19.8 percent of original size [2019-11-15 23:24:27,215 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:27,215 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:257, output treesize:229 [2019-11-15 23:24:27,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,445 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,445 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,447 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,450 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,451 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,452 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,453 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,453 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,454 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,455 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,456 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,456 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,457 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,458 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,459 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,459 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,460 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,461 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,462 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,463 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,463 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,464 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,465 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,466 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,466 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,467 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,468 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,469 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,469 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,470 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,471 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,472 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,474 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,475 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,476 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,476 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,477 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,478 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,488 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,500 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,524 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,527 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,531 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,532 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,532 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,534 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,536 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,542 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,542 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,544 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,546 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:27,546 INFO L235 Elim1Store]: Index analysis took 102 ms [2019-11-15 23:24:27,547 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 133 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 327 [2019-11-15 23:24:27,548 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:27,634 INFO L567 ElimStorePlain]: treesize reduction 3, result has 98.9 percent of original size [2019-11-15 23:24:27,634 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:27,634 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:308, output treesize:277 [2019-11-15 23:24:29,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:24:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:30,160 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:24:30,161 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 31] total 56 [2019-11-15 23:24:30,161 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414977200] [2019-11-15 23:24:30,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 56 states [2019-11-15 23:24:30,161 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:30,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2019-11-15 23:24:30,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=2808, Unknown=0, NotChecked=0, Total=3080 [2019-11-15 23:24:30,161 INFO L87 Difference]: Start difference. First operand 80 states and 84 transitions. Second operand 56 states. [2019-11-15 23:24:31,444 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2019-11-15 23:24:31,659 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 106 [2019-11-15 23:24:32,013 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 119 [2019-11-15 23:24:32,170 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-11-15 23:24:32,416 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2019-11-15 23:24:32,639 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2019-11-15 23:24:32,848 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2019-11-15 23:24:33,121 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 111 [2019-11-15 23:24:33,426 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 99 [2019-11-15 23:24:33,709 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 98 [2019-11-15 23:24:34,009 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 99 [2019-11-15 23:24:34,280 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 120 [2019-11-15 23:24:34,544 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2019-11-15 23:24:35,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:35,916 INFO L93 Difference]: Finished difference Result 138 states and 142 transitions. [2019-11-15 23:24:35,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-11-15 23:24:35,916 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 69 [2019-11-15 23:24:35,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:35,917 INFO L225 Difference]: With dead ends: 138 [2019-11-15 23:24:35,917 INFO L226 Difference]: Without dead ends: 136 [2019-11-15 23:24:35,917 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1588 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=697, Invalid=6275, Unknown=0, NotChecked=0, Total=6972 [2019-11-15 23:24:35,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-15 23:24:35,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 84. [2019-11-15 23:24:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-15 23:24:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2019-11-15 23:24:35,964 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 69 [2019-11-15 23:24:35,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:35,964 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2019-11-15 23:24:35,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 56 states. [2019-11-15 23:24:35,964 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2019-11-15 23:24:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-15 23:24:35,965 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:35,965 INFO L380 BasicCegarLoop]: trace histogram [12, 11, 11, 11, 9, 9, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:36,165 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:36,165 INFO L410 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:36,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:36,166 INFO L82 PathProgramCache]: Analyzing trace with hash 605238223, now seen corresponding path program 32 times [2019-11-15 23:24:36,166 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:36,166 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761811146] [2019-11-15 23:24:36,166 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:36,166 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:36,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:37,387 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 323 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:37,387 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761811146] [2019-11-15 23:24:37,387 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474143924] [2019-11-15 23:24:37,387 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:37,538 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 23:24:37,539 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:24:37,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 65 conjunts are in the unsatisfiable core [2019-11-15 23:24:37,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:24:37,544 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:24:37,545 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:37,551 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:37,551 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:37,552 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:24:37,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:37,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:37,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:37,834 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:24:37,834 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:37,846 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:37,846 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:37,846 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:24:37,974 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:37,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:37,978 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:37,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:37,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:37,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:37,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:37,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:37,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,013 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:38,013 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 83 treesize of output 213 [2019-11-15 23:24:38,014 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:38,059 INFO L567 ElimStorePlain]: treesize reduction 167, result has 37.2 percent of original size [2019-11-15 23:24:38,059 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:38,059 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:127, output treesize:99 [2019-11-15 23:24:38,202 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,213 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,215 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,217 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,218 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,219 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,219 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,220 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,221 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,223 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,223 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,226 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,229 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,231 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,231 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,233 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,235 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,236 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:38,237 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 31 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 149 [2019-11-15 23:24:38,238 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:38,282 INFO L567 ElimStorePlain]: treesize reduction 3, result has 97.8 percent of original size [2019-11-15 23:24:38,283 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:38,283 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:166, output treesize:135 [2019-11-15 23:24:39,699 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:24:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 323 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:39,817 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:24:39,817 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29] total 55 [2019-11-15 23:24:39,817 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179975960] [2019-11-15 23:24:39,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 55 states [2019-11-15 23:24:39,818 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:39,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2019-11-15 23:24:39,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2742, Unknown=0, NotChecked=0, Total=2970 [2019-11-15 23:24:39,818 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand 55 states. [2019-11-15 23:24:45,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:45,931 INFO L93 Difference]: Finished difference Result 215 states and 220 transitions. [2019-11-15 23:24:45,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2019-11-15 23:24:45,932 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 69 [2019-11-15 23:24:45,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:45,933 INFO L225 Difference]: With dead ends: 215 [2019-11-15 23:24:45,933 INFO L226 Difference]: Without dead ends: 213 [2019-11-15 23:24:45,933 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 44 SyntacticMatches, 6 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5190 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=1131, Invalid=15639, Unknown=0, NotChecked=0, Total=16770 [2019-11-15 23:24:45,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-11-15 23:24:45,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 84. [2019-11-15 23:24:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-15 23:24:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2019-11-15 23:24:45,983 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 69 [2019-11-15 23:24:45,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:45,983 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2019-11-15 23:24:45,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 55 states. [2019-11-15 23:24:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2019-11-15 23:24:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-15 23:24:45,983 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:45,984 INFO L380 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:46,184 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:46,184 INFO L410 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:46,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:46,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1663744981, now seen corresponding path program 33 times [2019-11-15 23:24:46,184 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:46,184 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944714317] [2019-11-15 23:24:46,185 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:46,185 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:46,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:47,003 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944714317] [2019-11-15 23:24:47,003 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226222916] [2019-11-15 23:24:47,003 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:47,926 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2019-11-15 23:24:47,926 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:24:47,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 60 conjunts are in the unsatisfiable core [2019-11-15 23:24:47,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:24:47,934 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:24:47,934 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:47,939 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:47,939 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:47,940 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-11-15 23:24:48,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:48,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:48,362 INFO L341 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2019-11-15 23:24:48,362 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 43 [2019-11-15 23:24:48,363 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:48,373 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:48,373 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:24:48,373 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:69, output treesize:47 [2019-11-15 23:24:49,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:24:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:49,387 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:24:49,387 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 51 [2019-11-15 23:24:49,388 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358290748] [2019-11-15 23:24:49,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 51 states [2019-11-15 23:24:49,388 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:49,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2019-11-15 23:24:49,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=2436, Unknown=0, NotChecked=0, Total=2550 [2019-11-15 23:24:49,388 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand 51 states. [2019-11-15 23:24:54,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:54,970 INFO L93 Difference]: Finished difference Result 183 states and 187 transitions. [2019-11-15 23:24:54,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2019-11-15 23:24:54,970 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 69 [2019-11-15 23:24:54,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:54,971 INFO L225 Difference]: With dead ends: 183 [2019-11-15 23:24:54,971 INFO L226 Difference]: Without dead ends: 181 [2019-11-15 23:24:54,972 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2216 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=596, Invalid=11614, Unknown=0, NotChecked=0, Total=12210 [2019-11-15 23:24:54,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2019-11-15 23:24:55,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 84. [2019-11-15 23:24:55,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-15 23:24:55,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2019-11-15 23:24:55,018 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 69 [2019-11-15 23:24:55,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:55,018 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2019-11-15 23:24:55,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 51 states. [2019-11-15 23:24:55,018 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2019-11-15 23:24:55,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-15 23:24:55,018 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:55,018 INFO L380 BasicCegarLoop]: trace histogram [14, 13, 13, 13, 7, 7, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:55,219 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:55,219 INFO L410 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:55,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:55,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1193542209, now seen corresponding path program 34 times [2019-11-15 23:24:55,219 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:55,219 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040313199] [2019-11-15 23:24:55,220 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:55,220 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:55,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:56,706 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:56,706 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040313199] [2019-11-15 23:24:56,706 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303262614] [2019-11-15 23:24:56,706 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:57,301 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 23:24:57,301 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:24:57,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 69 conjunts are in the unsatisfiable core [2019-11-15 23:24:57,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:24:57,309 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:24:57,309 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:57,316 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:57,316 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:57,316 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:24:57,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,365 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:24:57,365 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:57,377 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:57,377 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:57,377 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:24:57,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,511 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 111 [2019-11-15 23:24:57,512 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:57,528 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:57,529 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:57,529 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:109 [2019-11-15 23:24:57,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,673 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,675 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,676 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,676 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,677 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,682 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,684 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,690 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,694 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,696 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,724 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:57,724 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 4 case distinctions, treesize of input 115 treesize of output 257 [2019-11-15 23:24:57,725 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:57,782 INFO L567 ElimStorePlain]: treesize reduction 167, result has 44.0 percent of original size [2019-11-15 23:24:57,782 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:57,782 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:159, output treesize:131 [2019-11-15 23:24:57,951 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,973 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,975 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,977 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,978 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,984 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,992 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,995 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:57,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,006 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,007 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,097 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:58,097 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 45 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 12 case distinctions, treesize of input 151 treesize of output 469 [2019-11-15 23:24:58,099 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:58,203 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 65 [2019-11-15 23:24:58,203 INFO L567 ElimStorePlain]: treesize reduction 444, result has 27.3 percent of original size [2019-11-15 23:24:58,204 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:58,204 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:167 [2019-11-15 23:24:58,409 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,415 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,416 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,418 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,425 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,425 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,426 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,432 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,433 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,434 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,434 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,435 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,436 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,438 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,439 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,443 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,445 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,447 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,451 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,453 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,454 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,456 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,457 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,458 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,458 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,459 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,461 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,461 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,462 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,463 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,464 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,466 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,466 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,468 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,469 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,469 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,470 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,476 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,477 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,478 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:58,634 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-15 23:24:58,634 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:58,635 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 71 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 20 case distinctions, treesize of input 187 treesize of output 641 [2019-11-15 23:24:58,638 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:58,788 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 76 [2019-11-15 23:24:58,788 INFO L567 ElimStorePlain]: treesize reduction 686, result has 22.8 percent of original size [2019-11-15 23:24:58,788 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:58,788 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:231, output treesize:203 [2019-11-15 23:24:59,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,019 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,020 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,024 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,025 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,026 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,026 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,028 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,030 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,031 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,031 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,032 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,037 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,037 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,040 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,042 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,042 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,045 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,045 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,052 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,053 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,053 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,057 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,057 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,059 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,060 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,068 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,071 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,073 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,073 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,075 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,080 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,081 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,081 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,085 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,087 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,093 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,093 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,095 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,096 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,097 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,098 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,099 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,100 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,102 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,104 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,107 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,109 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,112 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,112 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,366 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2019-11-15 23:24:59,366 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:24:59,367 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 101 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 32 case distinctions, treesize of input 223 treesize of output 913 [2019-11-15 23:24:59,371 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:24:59,618 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 89 [2019-11-15 23:24:59,618 INFO L567 ElimStorePlain]: treesize reduction 1083, result has 18.1 percent of original size [2019-11-15 23:24:59,618 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:24:59,618 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:267, output treesize:239 [2019-11-15 23:24:59,874 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,876 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,877 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,878 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,879 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,880 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,882 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,883 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,896 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,898 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,899 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,900 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,901 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,901 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,903 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,904 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,904 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,905 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,906 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,908 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,910 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,910 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,912 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,913 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,913 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,916 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,918 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,918 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,920 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,920 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,921 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,922 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,923 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,923 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,924 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,926 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,926 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,927 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,928 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,930 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,931 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,932 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,932 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,933 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,934 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,936 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,937 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,938 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,938 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,939 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,940 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,941 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,941 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,942 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,943 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,944 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,944 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,945 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,946 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,947 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,948 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,948 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,949 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,950 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,950 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,951 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,952 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,958 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,958 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,960 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,962 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,963 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,963 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,964 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,965 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,969 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,969 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,970 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,971 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,972 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,972 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,973 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,974 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,975 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,975 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,978 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,995 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,996 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,996 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:24:59,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,006 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,007 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,007 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,019 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,020 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,022 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,024 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,024 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,025 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,026 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,027 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:00,027 INFO L235 Elim1Store]: Index analysis took 151 ms [2019-11-15 23:25:00,037 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 183 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 337 [2019-11-15 23:25:00,039 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:00,142 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2019-11-15 23:25:00,143 INFO L567 ElimStorePlain]: treesize reduction 3, result has 98.9 percent of original size [2019-11-15 23:25:00,143 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:00,143 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:306, output treesize:275 [2019-11-15 23:25:02,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:25:03,022 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:25:03,023 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:25:03,023 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 33] total 59 [2019-11-15 23:25:03,023 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607575327] [2019-11-15 23:25:03,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 59 states [2019-11-15 23:25:03,024 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:25:03,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2019-11-15 23:25:03,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=3127, Unknown=0, NotChecked=0, Total=3422 [2019-11-15 23:25:03,024 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand 59 states. [2019-11-15 23:25:04,235 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2019-11-15 23:25:04,452 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 102 [2019-11-15 23:25:04,879 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 129 [2019-11-15 23:25:05,105 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 104 [2019-11-15 23:25:05,334 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 107 [2019-11-15 23:25:05,665 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 107 [2019-11-15 23:25:05,988 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 114 [2019-11-15 23:25:06,311 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 108 [2019-11-15 23:25:06,606 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 107 [2019-11-15 23:25:06,899 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 108 [2019-11-15 23:25:07,184 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 114 [2019-11-15 23:25:07,482 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 107 [2019-11-15 23:25:08,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:25:08,762 INFO L93 Difference]: Finished difference Result 146 states and 150 transitions. [2019-11-15 23:25:08,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-11-15 23:25:08,762 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 73 [2019-11-15 23:25:08,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:25:08,763 INFO L225 Difference]: With dead ends: 146 [2019-11-15 23:25:08,763 INFO L226 Difference]: Without dead ends: 144 [2019-11-15 23:25:08,763 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 43 SyntacticMatches, 5 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1521 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=702, Invalid=6270, Unknown=0, NotChecked=0, Total=6972 [2019-11-15 23:25:08,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-11-15 23:25:08,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 88. [2019-11-15 23:25:08,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-15 23:25:08,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2019-11-15 23:25:08,816 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 73 [2019-11-15 23:25:08,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:25:08,816 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2019-11-15 23:25:08,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 59 states. [2019-11-15 23:25:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2019-11-15 23:25:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-15 23:25:08,818 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:25:08,818 INFO L380 BasicCegarLoop]: trace histogram [13, 12, 12, 12, 9, 9, 1, 1, 1, 1, 1, 1] [2019-11-15 23:25:09,018 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:25:09,018 INFO L410 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:25:09,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:25:09,018 INFO L82 PathProgramCache]: Analyzing trace with hash -981065787, now seen corresponding path program 35 times [2019-11-15 23:25:09,019 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:25:09,019 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904671344] [2019-11-15 23:25:09,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:25:09,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:25:09,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:25:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:25:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:25:10,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904671344] [2019-11-15 23:25:10,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61391502] [2019-11-15 23:25:10,381 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:25:12,097 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2019-11-15 23:25:12,097 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:25:12,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 68 conjunts are in the unsatisfiable core [2019-11-15 23:25:12,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:25:12,107 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:25:12,107 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:12,114 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:12,114 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:12,114 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:25:12,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,371 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,372 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,372 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:25:12,373 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:12,384 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:12,384 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:12,385 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:25:12,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,549 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:12,549 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 83 treesize of output 213 [2019-11-15 23:25:12,550 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:12,608 INFO L567 ElimStorePlain]: treesize reduction 167, result has 37.2 percent of original size [2019-11-15 23:25:12,608 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:12,609 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:127, output treesize:99 [2019-11-15 23:25:12,755 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,758 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,759 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,760 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,760 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,774 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,776 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,780 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:12,826 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:12,826 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 8 case distinctions, treesize of input 119 treesize of output 321 [2019-11-15 23:25:12,827 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:12,893 INFO L567 ElimStorePlain]: treesize reduction 287, result has 32.0 percent of original size [2019-11-15 23:25:12,893 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:12,893 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:163, output treesize:135 [2019-11-15 23:25:13,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,093 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,095 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,099 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,100 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,102 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,104 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,107 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,109 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,111 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,112 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,114 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,115 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,116 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,116 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,117 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,118 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,119 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,120 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,120 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,121 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,122 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,122 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,123 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,125 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,126 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,126 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,128 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,132 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,133 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,135 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,136 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,137 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,138 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,138 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:13,142 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 57 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 207 [2019-11-15 23:25:13,143 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:13,200 INFO L567 ElimStorePlain]: treesize reduction 3, result has 98.4 percent of original size [2019-11-15 23:25:13,200 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:13,200 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:212, output treesize:181 [2019-11-15 23:25:15,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:25:15,151 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:25:15,151 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:25:15,152 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 31] total 58 [2019-11-15 23:25:15,152 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558419817] [2019-11-15 23:25:15,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 58 states [2019-11-15 23:25:15,152 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:25:15,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2019-11-15 23:25:15,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=3049, Unknown=0, NotChecked=0, Total=3306 [2019-11-15 23:25:15,153 INFO L87 Difference]: Start difference. First operand 88 states and 92 transitions. Second operand 58 states. [2019-11-15 23:25:21,123 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-11-15 23:25:22,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:25:22,154 INFO L93 Difference]: Finished difference Result 227 states and 232 transitions. [2019-11-15 23:25:22,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2019-11-15 23:25:22,154 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 73 [2019-11-15 23:25:22,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:25:22,155 INFO L225 Difference]: With dead ends: 227 [2019-11-15 23:25:22,155 INFO L226 Difference]: Without dead ends: 225 [2019-11-15 23:25:22,156 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5634 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=1302, Invalid=16788, Unknown=0, NotChecked=0, Total=18090 [2019-11-15 23:25:22,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2019-11-15 23:25:22,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 88. [2019-11-15 23:25:22,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-15 23:25:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2019-11-15 23:25:22,216 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 73 [2019-11-15 23:25:22,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:25:22,216 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2019-11-15 23:25:22,216 INFO L463 AbstractCegarLoop]: Interpolant automaton has 58 states. [2019-11-15 23:25:22,216 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2019-11-15 23:25:22,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-15 23:25:22,217 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:25:22,217 INFO L380 BasicCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1] [2019-11-15 23:25:22,421 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:25:22,421 INFO L410 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:25:22,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:25:22,421 INFO L82 PathProgramCache]: Analyzing trace with hash 502150347, now seen corresponding path program 36 times [2019-11-15 23:25:22,421 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:25:22,421 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782325844] [2019-11-15 23:25:22,421 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:25:22,422 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:25:22,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:25:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:25:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 363 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:25:23,556 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782325844] [2019-11-15 23:25:23,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397386379] [2019-11-15 23:25:23,557 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:25:24,096 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2019-11-15 23:25:24,097 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:25:24,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 67 conjunts are in the unsatisfiable core [2019-11-15 23:25:24,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:25:24,107 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:25:24,108 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:24,114 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:24,115 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:24,115 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:25:24,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:24,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:24,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:24,555 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:25:24,556 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:24,579 INFO L567 ElimStorePlain]: treesize reduction 3, result has 95.5 percent of original size [2019-11-15 23:25:24,579 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:24,580 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:63 [2019-11-15 23:25:25,641 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:25:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 363 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:25:25,739 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:25:25,740 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 56 [2019-11-15 23:25:25,740 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106521149] [2019-11-15 23:25:25,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 56 states [2019-11-15 23:25:25,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:25:25,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2019-11-15 23:25:25,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2888, Unknown=0, NotChecked=0, Total=3080 [2019-11-15 23:25:25,741 INFO L87 Difference]: Start difference. First operand 88 states and 92 transitions. Second operand 56 states. [2019-11-15 23:25:30,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:25:30,019 INFO L93 Difference]: Finished difference Result 226 states and 231 transitions. [2019-11-15 23:25:30,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2019-11-15 23:25:30,019 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 73 [2019-11-15 23:25:30,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:25:30,020 INFO L225 Difference]: With dead ends: 226 [2019-11-15 23:25:30,020 INFO L226 Difference]: Without dead ends: 224 [2019-11-15 23:25:30,020 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2717 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=647, Invalid=10065, Unknown=0, NotChecked=0, Total=10712 [2019-11-15 23:25:30,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-11-15 23:25:30,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 91. [2019-11-15 23:25:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-15 23:25:30,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 96 transitions. [2019-11-15 23:25:30,076 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 96 transitions. Word has length 73 [2019-11-15 23:25:30,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:25:30,076 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 96 transitions. [2019-11-15 23:25:30,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 56 states. [2019-11-15 23:25:30,076 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2019-11-15 23:25:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-15 23:25:30,077 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:25:30,077 INFO L380 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 1, 1, 1, 1, 1, 1] [2019-11-15 23:25:30,277 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:25:30,277 INFO L410 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:25:30,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:25:30,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1473802761, now seen corresponding path program 37 times [2019-11-15 23:25:30,278 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:25:30,278 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358995891] [2019-11-15 23:25:30,278 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:25:30,278 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:25:30,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:25:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:25:31,171 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 386 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:25:31,172 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358995891] [2019-11-15 23:25:31,172 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687722763] [2019-11-15 23:25:31,172 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:25:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:25:31,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 66 conjunts are in the unsatisfiable core [2019-11-15 23:25:31,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:25:31,362 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:25:31,362 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:31,368 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:31,369 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:31,369 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:25:31,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:31,858 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:31,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:31,859 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 43 [2019-11-15 23:25:31,859 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:31,869 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:31,869 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:25:31,870 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:50 [2019-11-15 23:25:32,757 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:25:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 386 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:25:32,843 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:25:32,843 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 55 [2019-11-15 23:25:32,843 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471927720] [2019-11-15 23:25:32,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 55 states [2019-11-15 23:25:32,844 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:25:32,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2019-11-15 23:25:32,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=2797, Unknown=0, NotChecked=0, Total=2970 [2019-11-15 23:25:32,844 INFO L87 Difference]: Start difference. First operand 91 states and 96 transitions. Second operand 55 states. [2019-11-15 23:25:35,177 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-11-15 23:25:37,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:25:37,518 INFO L93 Difference]: Finished difference Result 246 states and 251 transitions. [2019-11-15 23:25:37,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2019-11-15 23:25:37,519 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 75 [2019-11-15 23:25:37,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:25:37,520 INFO L225 Difference]: With dead ends: 246 [2019-11-15 23:25:37,520 INFO L226 Difference]: Without dead ends: 244 [2019-11-15 23:25:37,521 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2800 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=555, Invalid=10365, Unknown=0, NotChecked=0, Total=10920 [2019-11-15 23:25:37,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-11-15 23:25:37,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 88. [2019-11-15 23:25:37,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-15 23:25:37,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2019-11-15 23:25:37,622 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 75 [2019-11-15 23:25:37,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:25:37,622 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2019-11-15 23:25:37,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 55 states. [2019-11-15 23:25:37,622 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2019-11-15 23:25:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-15 23:25:37,623 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:25:37,623 INFO L380 BasicCegarLoop]: trace histogram [15, 14, 14, 14, 7, 7, 1, 1, 1, 1, 1, 1] [2019-11-15 23:25:37,827 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:25:37,827 INFO L410 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:25:37,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:25:37,827 INFO L82 PathProgramCache]: Analyzing trace with hash -738692683, now seen corresponding path program 38 times [2019-11-15 23:25:37,827 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:25:37,827 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204965410] [2019-11-15 23:25:37,827 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:25:37,827 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:25:37,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:25:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:25:38,204 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 339 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:25:38,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204965410] [2019-11-15 23:25:38,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895472754] [2019-11-15 23:25:38,205 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:25:38,410 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 23:25:38,410 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:25:38,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-15 23:25:38,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:25:38,836 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 392 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:25:38,836 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:25:38,836 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 42 [2019-11-15 23:25:38,837 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978676344] [2019-11-15 23:25:38,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-11-15 23:25:38,837 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:25:38,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-11-15 23:25:38,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1278, Unknown=0, NotChecked=0, Total=1722 [2019-11-15 23:25:38,837 INFO L87 Difference]: Start difference. First operand 88 states and 92 transitions. Second operand 42 states. [2019-11-15 23:25:39,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:25:39,178 INFO L93 Difference]: Finished difference Result 179 states and 183 transitions. [2019-11-15 23:25:39,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-15 23:25:39,178 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 77 [2019-11-15 23:25:39,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:25:39,179 INFO L225 Difference]: With dead ends: 179 [2019-11-15 23:25:39,179 INFO L226 Difference]: Without dead ends: 115 [2019-11-15 23:25:39,179 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=568, Invalid=1882, Unknown=0, NotChecked=0, Total=2450 [2019-11-15 23:25:39,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-15 23:25:39,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 83. [2019-11-15 23:25:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-15 23:25:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 86 transitions. [2019-11-15 23:25:39,239 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 86 transitions. Word has length 77 [2019-11-15 23:25:39,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:25:39,239 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 86 transitions. [2019-11-15 23:25:39,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-11-15 23:25:39,239 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 86 transitions. [2019-11-15 23:25:39,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-15 23:25:39,239 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:25:39,239 INFO L380 BasicCegarLoop]: trace histogram [14, 13, 13, 13, 9, 9, 1, 1, 1, 1, 1, 1] [2019-11-15 23:25:39,440 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:25:39,440 INFO L410 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:25:39,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:25:39,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1528176827, now seen corresponding path program 39 times [2019-11-15 23:25:39,440 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:25:39,440 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235940911] [2019-11-15 23:25:39,440 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:25:39,440 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:25:39,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:25:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:25:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 419 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:25:41,245 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235940911] [2019-11-15 23:25:41,245 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179578133] [2019-11-15 23:25:41,245 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:25:41,802 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2019-11-15 23:25:41,802 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:25:41,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 71 conjunts are in the unsatisfiable core [2019-11-15 23:25:41,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:25:41,810 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:25:41,811 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:41,817 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:41,817 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:41,817 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-11-15 23:25:41,861 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:41,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:41,864 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:41,864 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2019-11-15 23:25:41,865 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:41,878 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:41,879 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:41,879 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:63 [2019-11-15 23:25:41,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:41,996 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:41,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:41,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:41,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:41,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,005 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 97 [2019-11-15 23:25:42,006 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:42,027 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:42,027 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:42,027 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:123, output treesize:95 [2019-11-15 23:25:42,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,183 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,191 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,192 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,197 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,198 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,200 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,204 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,206 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,207 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,208 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,253 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:42,254 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 4 case distinctions, treesize of input 115 treesize of output 257 [2019-11-15 23:25:42,254 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:42,310 INFO L567 ElimStorePlain]: treesize reduction 167, result has 44.0 percent of original size [2019-11-15 23:25:42,310 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:42,311 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:159, output treesize:131 [2019-11-15 23:25:42,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,488 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,500 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,605 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:42,605 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 45 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 12 case distinctions, treesize of input 161 treesize of output 509 [2019-11-15 23:25:42,607 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:42,707 INFO L567 ElimStorePlain]: treesize reduction 489, result has 26.6 percent of original size [2019-11-15 23:25:42,707 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:42,707 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:177 [2019-11-15 23:25:42,901 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,903 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,904 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,905 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,906 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,908 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,912 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,912 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,913 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,916 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,918 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,921 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,922 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,922 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,923 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,924 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,924 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,926 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,927 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,927 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,928 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,930 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,931 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,932 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,933 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,934 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,936 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,938 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,938 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,939 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,940 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,941 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,965 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,970 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,971 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,972 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,974 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,975 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,977 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,978 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,984 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,995 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:42,996 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,161 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-15 23:25:43,161 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:43,161 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 71 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 20 case distinctions, treesize of input 187 treesize of output 641 [2019-11-15 23:25:43,164 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:43,312 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 76 [2019-11-15 23:25:43,312 INFO L567 ElimStorePlain]: treesize reduction 686, result has 22.8 percent of original size [2019-11-15 23:25:43,312 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:43,312 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:231, output treesize:203 [2019-11-15 23:25:43,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,549 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,551 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,557 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,572 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,573 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,574 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,576 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,577 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,580 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,580 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,585 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,592 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,597 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,599 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,604 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,605 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,605 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,606 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,607 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,609 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,610 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,611 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,612 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,614 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,619 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,622 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,623 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,628 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,630 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,632 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,635 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,639 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,639 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,640 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:43,894 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2019-11-15 23:25:43,894 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:43,895 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 101 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 32 case distinctions, treesize of input 233 treesize of output 963 [2019-11-15 23:25:43,899 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:44,138 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 87 [2019-11-15 23:25:44,139 INFO L567 ElimStorePlain]: treesize reduction 1148, result has 17.8 percent of original size [2019-11-15 23:25:44,139 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:44,139 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:277, output treesize:249 [2019-11-15 23:25:44,395 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,400 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,403 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,403 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,405 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,405 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,408 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,409 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,411 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,411 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,412 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,413 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,415 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,416 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,426 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,429 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,432 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,433 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,433 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,434 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,435 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,436 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,438 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,439 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,442 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,447 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,450 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,451 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,452 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,453 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,454 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,455 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,455 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,456 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,457 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,457 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,459 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,460 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,460 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,461 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,462 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,462 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,463 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,464 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,465 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,466 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,467 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,468 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,469 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,469 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,470 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,471 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,472 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,472 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,475 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,477 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,478 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,488 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,500 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,524 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,527 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:44,529 INFO L235 Elim1Store]: Index analysis took 132 ms [2019-11-15 23:25:44,906 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2019-11-15 23:25:44,906 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:44,906 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 139 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 44 case distinctions, treesize of input 281 treesize of output 1253 [2019-11-15 23:25:44,912 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:45,211 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 97 [2019-11-15 23:25:45,212 INFO L567 ElimStorePlain]: treesize reduction 1602, result has 15.6 percent of original size [2019-11-15 23:25:45,212 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:45,212 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:325, output treesize:297 [2019-11-15 23:25:45,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,531 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,532 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,534 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,536 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,542 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,544 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,546 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,548 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,549 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,550 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,551 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,557 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,570 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,570 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,572 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,573 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,576 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,577 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,580 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,592 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,592 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,597 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,599 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,599 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,601 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,605 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,605 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,606 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,607 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,608 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,609 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,610 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,611 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,612 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,614 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,617 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,619 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,620 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,622 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,623 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,630 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,633 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,635 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,638 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,639 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,640 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,646 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,650 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,650 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,656 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,656 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,659 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,664 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,667 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,667 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,668 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,669 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,672 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,673 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,675 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,675 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,676 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,677 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,677 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,682 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,684 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:45,691 INFO L235 Elim1Store]: Index analysis took 175 ms [2019-11-15 23:25:46,296 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2019-11-15 23:25:46,296 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:25:46,297 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 30 select indices, 30 select index equivalence classes, 181 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 60 case distinctions, treesize of input 329 treesize of output 1669 [2019-11-15 23:25:46,305 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:46,817 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 107 [2019-11-15 23:25:46,817 INFO L567 ElimStorePlain]: treesize reduction 2245, result has 13.3 percent of original size [2019-11-15 23:25:46,817 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:46,817 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:373, output treesize:345 [2019-11-15 23:25:47,148 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,151 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,152 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,153 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,154 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,154 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,155 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,156 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,156 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,157 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,158 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,159 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,159 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,160 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,161 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,161 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,162 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,163 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,165 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,166 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,168 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,170 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,172 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,173 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,173 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,174 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,175 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,179 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,179 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,183 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,190 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,191 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,192 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,192 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,197 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,197 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,198 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,200 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,202 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,204 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,204 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,205 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,206 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,206 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,207 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,208 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,210 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,213 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,215 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,215 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,217 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,218 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,218 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,219 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,220 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,221 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,221 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,223 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,226 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,226 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,229 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,231 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,233 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,233 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,235 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,235 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,236 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,237 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,239 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,242 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,243 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,243 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,244 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,245 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,246 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,246 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,248 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,248 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,249 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,250 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,251 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,251 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,252 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,255 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,257 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,259 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,262 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,265 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,267 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,271 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,271 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,276 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,276 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,281 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,283 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,287 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,289 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,290 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,293 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,295 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,296 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,299 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,300 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,300 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,306 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,307 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,310 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,311 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,311 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,313 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,313 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,314 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,315 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,316 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,316 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,318 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,319 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,331 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,332 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,333 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,334 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,336 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,340 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,365 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,367 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,370 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,371 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,371 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,372 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,373 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,376 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,377 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,379 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,380 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,381 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,382 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,383 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,383 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,384 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,385 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,385 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,386 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,391 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,391 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,392 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,394 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,394 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,395 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,396 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,398 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,398 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,400 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,403 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:25:47,403 INFO L235 Elim1Store]: Index analysis took 252 ms [2019-11-15 23:25:47,405 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 34 select indices, 34 select index equivalence classes, 307 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 377 treesize of output 479 [2019-11-15 23:25:47,407 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:25:47,552 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2019-11-15 23:25:47,552 INFO L567 ElimStorePlain]: treesize reduction 3, result has 99.2 percent of original size [2019-11-15 23:25:47,553 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:25:47,553 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:424, output treesize:393 [2019-11-15 23:25:51,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:25:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 325 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:25:51,418 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:25:51,418 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 37] total 65 [2019-11-15 23:25:51,419 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463129101] [2019-11-15 23:25:51,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 65 states [2019-11-15 23:25:51,419 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:25:51,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2019-11-15 23:25:51,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=3824, Unknown=0, NotChecked=0, Total=4160 [2019-11-15 23:25:51,419 INFO L87 Difference]: Start difference. First operand 83 states and 86 transitions. Second operand 65 states. [2019-11-15 23:25:52,564 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-11-15 23:25:52,740 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2019-11-15 23:25:52,998 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 109 [2019-11-15 23:25:53,199 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2019-11-15 23:25:53,542 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 119 [2019-11-15 23:25:53,833 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 133 [2019-11-15 23:25:54,053 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 119 [2019-11-15 23:25:54,396 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 122 [2019-11-15 23:25:55,064 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 121 [2019-11-15 23:25:55,538 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 122 [2019-11-15 23:25:55,956 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 122 [2019-11-15 23:25:56,408 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 117 [2019-11-15 23:25:56,826 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 119 [2019-11-15 23:25:57,237 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 119 [2019-11-15 23:25:57,662 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 122 [2019-11-15 23:25:58,109 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 123 [2019-11-15 23:25:58,515 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2019-11-15 23:25:58,875 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-15 23:25:59,263 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-15 23:26:01,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:26:01,019 INFO L93 Difference]: Finished difference Result 274 states and 283 transitions. [2019-11-15 23:26:01,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2019-11-15 23:26:01,019 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 77 [2019-11-15 23:26:01,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:26:01,021 INFO L225 Difference]: With dead ends: 274 [2019-11-15 23:26:01,021 INFO L226 Difference]: Without dead ends: 198 [2019-11-15 23:26:01,021 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 44 SyntacticMatches, 6 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4774 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=1614, Invalid=15416, Unknown=0, NotChecked=0, Total=17030 [2019-11-15 23:26:01,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-15 23:26:01,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 140. [2019-11-15 23:26:01,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-15 23:26:01,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 144 transitions. [2019-11-15 23:26:01,139 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 144 transitions. Word has length 77 [2019-11-15 23:26:01,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:26:01,139 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 144 transitions. [2019-11-15 23:26:01,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 65 states. [2019-11-15 23:26:01,139 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 144 transitions. [2019-11-15 23:26:01,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-15 23:26:01,140 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:26:01,140 INFO L380 BasicCegarLoop]: trace histogram [13, 12, 12, 12, 11, 11, 1, 1, 1, 1, 1, 1] [2019-11-15 23:26:01,340 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:26:01,340 INFO L410 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:26:01,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:26:01,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1740653249, now seen corresponding path program 40 times [2019-11-15 23:26:01,341 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:26:01,341 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173108241] [2019-11-15 23:26:01,341 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:26:01,341 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:26:01,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:26:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:26:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 409 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:26:02,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173108241] [2019-11-15 23:26:02,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912718361] [2019-11-15 23:26:02,707 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:26:05,642 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 23:26:05,642 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 23:26:05,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 67 conjunts are in the unsatisfiable core [2019-11-15 23:26:05,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:26:06,209 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2019-11-15 23:26:06,209 INFO L341 Elim1Store]: treesize reduction 473, result has 31.9 percent of original size [2019-11-15 23:26:06,209 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 138 treesize of output 292 [2019-11-15 23:26:06,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,212 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,212 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,213 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,215 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,215 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,216 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,216 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,217 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,217 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,218 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,218 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,219 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,219 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,220 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,220 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,221 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,221 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,223 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,223 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,226 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,227 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,227 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,229 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,229 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,229 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,230 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,231 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,235 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:06,236 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 23:26:06,448 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:26:06,449 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: This case should habe been handled by DER at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:192) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.(DerPreprocessor.java:95) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:291) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) 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:292) 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.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-11-15 23:26:06,451 INFO L168 Benchmark]: Toolchain (without parser) took 334897.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 267.4 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -213.4 MB). Peak memory consumption was 462.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:26:06,452 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:26:06,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:26:06,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:26:06,452 INFO L168 Benchmark]: Boogie Preprocessor took 41.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:26:06,452 INFO L168 Benchmark]: RCFGBuilder took 280.74 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: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:26:06,453 INFO L168 Benchmark]: TraceAbstraction took 334210.85 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -49.3 MB). Peak memory consumption was 481.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:26:06,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 280.74 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: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 334210.85 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -49.3 MB). Peak memory consumption was 481.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 23:26:08,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:26:08,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:26:08,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:26:08,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:26:08,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:26:08,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:26:08,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:26:08,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:26:08,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:26:08,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:26:08,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:26:08,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:26:08,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:26:08,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:26:08,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:26:08,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:26:08,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:26:08,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:26:08,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:26:08,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:26:08,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:26:08,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:26:08,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:26:08,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:26:08,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:26:08,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:26:08,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:26:08,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:26:08,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:26:08,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:26:08,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:26:08,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:26:08,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:26:08,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:26:08,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:26:08,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:26:08,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:26:08,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:26:08,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:26:08,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:26:08,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 23:26:08,527 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:26:08,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:26:08,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:26:08,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:26:08,537 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:26:08,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:26:08,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:26:08,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:26:08,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:26:08,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:26:08,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:26:08,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:26:08,540 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 23:26:08,540 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 23:26:08,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:26:08,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:26:08,541 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:26:08,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:26:08,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:26:08,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:26:08,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:26:08,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:26:08,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:26:08,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:26:08,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:26:08,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:26:08,543 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 23:26:08,543 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 23:26:08,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:26:08,544 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 23:26:08,544 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35e2f86bf3e470750dbe0c4c2347087df6a769a9 [2019-11-15 23:26:08,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:26:08,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:26:08,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:26:08,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:26:08,592 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:26:08,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2019-11-15 23:26:08,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/data/2d63e5429/3183a28de3a2472db2a32b58f64d7a9c/FLAG3b10d0ca2 [2019-11-15 23:26:09,066 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:26:09,066 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2019-11-15 23:26:09,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/data/2d63e5429/3183a28de3a2472db2a32b58f64d7a9c/FLAG3b10d0ca2 [2019-11-15 23:26:09,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/data/2d63e5429/3183a28de3a2472db2a32b58f64d7a9c [2019-11-15 23:26:09,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:26:09,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:26:09,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:26:09,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:26:09,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:26:09,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:26:09" (1/1) ... [2019-11-15 23:26:09,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc84f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09, skipping insertion in model container [2019-11-15 23:26:09,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:26:09" (1/1) ... [2019-11-15 23:26:09,114 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:26:09,131 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:26:09,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:26:09,324 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:26:09,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:26:09,372 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:26:09,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09 WrapperNode [2019-11-15 23:26:09,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:26:09,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:26:09,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:26:09,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:26:09,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09" (1/1) ... [2019-11-15 23:26:09,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09" (1/1) ... [2019-11-15 23:26:09,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:26:09,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:26:09,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:26:09,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:26:09,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09" (1/1) ... [2019-11-15 23:26:09,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09" (1/1) ... [2019-11-15 23:26:09,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09" (1/1) ... [2019-11-15 23:26:09,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09" (1/1) ... [2019-11-15 23:26:09,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09" (1/1) ... [2019-11-15 23:26:09,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09" (1/1) ... [2019-11-15 23:26:09,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09" (1/1) ... [2019-11-15 23:26:09,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:26:09,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:26:09,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:26:09,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:26:09,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:26:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 23:26:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:26:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:26:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:26:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:26:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 23:26:09,769 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:26:09,769 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-15 23:26:09,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:26:09 BoogieIcfgContainer [2019-11-15 23:26:09,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:26:09,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:26:09,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:26:09,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:26:09,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:26:09" (1/3) ... [2019-11-15 23:26:09,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3376d582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:26:09, skipping insertion in model container [2019-11-15 23:26:09,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:26:09" (2/3) ... [2019-11-15 23:26:09,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3376d582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:26:09, skipping insertion in model container [2019-11-15 23:26:09,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:26:09" (3/3) ... [2019-11-15 23:26:09,777 INFO L109 eAbstractionObserver]: Analyzing ICFG array_tiling_tcpy.c [2019-11-15 23:26:09,785 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:26:09,792 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:26:09,804 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:26:09,823 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:26:09,823 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:26:09,823 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:26:09,823 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:26:09,824 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:26:09,824 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:26:09,824 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:26:09,824 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:26:09,836 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-15 23:26:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-15 23:26:09,842 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:26:09,842 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:26:09,844 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:26:09,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:26:09,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1807957391, now seen corresponding path program 1 times [2019-11-15 23:26:09,855 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:26:09,855 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [790189459] [2019-11-15 23:26:09,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 23:26:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:26:09,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-15 23:26:09,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:26:10,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:26:10,018 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:26:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:26:10,086 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [790189459] [2019-11-15 23:26:10,087 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:26:10,087 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 5] imperfect sequences [] total 6 [2019-11-15 23:26:10,087 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196723709] [2019-11-15 23:26:10,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:26:10,090 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:26:10,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:26:10,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:26:10,102 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 6 states. [2019-11-15 23:26:10,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:26:10,265 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2019-11-15 23:26:10,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:26:10,267 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2019-11-15 23:26:10,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:26:10,280 INFO L225 Difference]: With dead ends: 35 [2019-11-15 23:26:10,284 INFO L226 Difference]: Without dead ends: 14 [2019-11-15 23:26:10,287 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:26:10,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-15 23:26:10,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-15 23:26:10,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-15 23:26:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2019-11-15 23:26:10,318 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 7 [2019-11-15 23:26:10,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:26:10,318 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2019-11-15 23:26:10,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:26:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2019-11-15 23:26:10,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 23:26:10,319 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:26:10,319 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:26:10,519 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 23:26:10,520 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:26:10,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:26:10,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1083191413, now seen corresponding path program 1 times [2019-11-15 23:26:10,521 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:26:10,521 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1417159498] [2019-11-15 23:26:10,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_177cd38f-8ee7-4303-b14e-2cdaeefedfad/bin/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 23:26:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:26:10,643 WARN L254 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-15 23:26:10,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:26:10,683 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-15 23:26:10,684 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:26:10,695 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:26:10,696 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:26:10,696 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-11-15 23:26:10,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:26:10,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:26:10,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:26:10,758 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 57 [2019-11-15 23:26:10,759 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:26:10,792 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:26:10,792 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:26:10,793 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:99, output treesize:67 [2019-11-15 23:26:10,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:26:10,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:26:10,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:26:10,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:26:10,963 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:26:10,965 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:26:10,970 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:26:10,972 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:26:10,974 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 23:26:11,089 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-11-15 23:26:11,090 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:26:11,090 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 83 treesize of output 211 [2019-11-15 23:26:11,094 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:26:11,312 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2019-11-15 23:26:11,312 INFO L567 ElimStorePlain]: treesize reduction 170, result has 36.8 percent of original size [2019-11-15 23:26:11,313 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:26:11,313 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:134, output treesize:99 [2019-11-15 23:26:11,782 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:26:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:26:11,837 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:26:13,101 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 23:26:13,102 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: incompatible size at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:152) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) 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.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:335) 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.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-11-15 23:26:13,106 INFO L168 Benchmark]: Toolchain (without parser) took 4012.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 948.3 MB in the beginning and 992.9 MB in the end (delta: -44.6 MB). Peak memory consumption was 116.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:26:13,106 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:26:13,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.14 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 937.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:26:13,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 937.6 MB in the beginning and 1.2 GB in the end (delta: -213.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:26:13,108 INFO L168 Benchmark]: Boogie Preprocessor took 26.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:26:13,109 INFO L168 Benchmark]: RCFGBuilder took 270.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:26:13,109 INFO L168 Benchmark]: TraceAbstraction took 3332.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.9 MB in the end (delta: 134.3 MB). Peak memory consumption was 134.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:26:13,112 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.14 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 937.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 937.6 MB in the beginning and 1.2 GB in the end (delta: -213.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 270.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3332.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.9 MB in the end (delta: 134.3 MB). Peak memory consumption was 134.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: incompatible size de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: incompatible size: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...