./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/rew.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/rew.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4dbd52ad78119a422ea606f98f820bbe5495fb5a7cf8886c665da2d1f9b569e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:52:29,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:52:29,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:52:30,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:52:30,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:52:30,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:52:30,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:52:30,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:52:30,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:52:30,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:52:30,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:52:30,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:52:30,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:52:30,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:52:30,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:52:30,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:52:30,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:52:30,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:52:30,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:52:30,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:52:30,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:52:30,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:52:30,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:52:30,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:52:30,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:52:30,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:52:30,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:52:30,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:52:30,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:52:30,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:52:30,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:52:30,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:52:30,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:52:30,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:52:30,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:52:30,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:52:30,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:52:30,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:52:30,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:52:30,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:52:30,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:52:30,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 03:52:30,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:52:30,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:52:30,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:52:30,202 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:52:30,203 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:52:30,203 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:52:30,203 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:52:30,203 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:52:30,204 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:52:30,204 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:52:30,213 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:52:30,213 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:52:30,214 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:52:30,214 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:52:30,214 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:52:30,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:52:30,216 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:52:30,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:52:30,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:52:30,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:52:30,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:52:30,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:52:30,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:52:30,218 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:52:30,218 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:52:30,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:52:30,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:52:30,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:52:30,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:52:30,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:52:30,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:52:30,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:52:30,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:52:30,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:52:30,221 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:52:30,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:52:30,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:52:30,222 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:52:30,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:52:30,223 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4dbd52ad78119a422ea606f98f820bbe5495fb5a7cf8886c665da2d1f9b569e [2021-11-03 03:52:30,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:52:30,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:52:30,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:52:30,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:52:30,678 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:52:30,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/array-tiling/rew.c [2021-11-03 03:52:30,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/data/cccdb221f/012c57fe55df4cab955156a4db1442ee/FLAGcd3f3608b [2021-11-03 03:52:31,347 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:52:31,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/sv-benchmarks/c/array-tiling/rew.c [2021-11-03 03:52:31,369 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/data/cccdb221f/012c57fe55df4cab955156a4db1442ee/FLAGcd3f3608b [2021-11-03 03:52:31,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/data/cccdb221f/012c57fe55df4cab955156a4db1442ee [2021-11-03 03:52:31,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:52:31,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:52:31,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:52:31,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:52:31,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:52:31,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:52:31" (1/1) ... [2021-11-03 03:52:31,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2991a7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:31, skipping insertion in model container [2021-11-03 03:52:31,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:52:31" (1/1) ... [2021-11-03 03:52:31,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:52:31,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:52:31,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/sv-benchmarks/c/array-tiling/rew.c[394,407] [2021-11-03 03:52:31,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:52:31,956 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:52:31,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/sv-benchmarks/c/array-tiling/rew.c[394,407] [2021-11-03 03:52:31,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:52:32,004 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:52:32,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:32 WrapperNode [2021-11-03 03:52:32,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:52:32,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:52:32,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:52:32,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:52:32,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:32" (1/1) ... [2021-11-03 03:52:32,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:32" (1/1) ... [2021-11-03 03:52:32,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:52:32,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:52:32,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:52:32,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:52:32,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:32" (1/1) ... [2021-11-03 03:52:32,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:32" (1/1) ... [2021-11-03 03:52:32,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:32" (1/1) ... [2021-11-03 03:52:32,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:32" (1/1) ... [2021-11-03 03:52:32,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:32" (1/1) ... [2021-11-03 03:52:32,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:32" (1/1) ... [2021-11-03 03:52:32,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:32" (1/1) ... [2021-11-03 03:52:32,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:52:32,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:52:32,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:52:32,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:52:32,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:32" (1/1) ... [2021-11-03 03:52:32,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:52:32,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:32,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:52:32,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:52:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 03:52:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:52:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 03:52:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:52:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:52:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:52:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 03:52:32,548 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:52:32,548 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-03 03:52:32,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:52:32 BoogieIcfgContainer [2021-11-03 03:52:32,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:52:32,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:52:32,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:52:32,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:52:32,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:52:31" (1/3) ... [2021-11-03 03:52:32,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779f151c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:52:32, skipping insertion in model container [2021-11-03 03:52:32,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:32" (2/3) ... [2021-11-03 03:52:32,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779f151c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:52:32, skipping insertion in model container [2021-11-03 03:52:32,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:52:32" (3/3) ... [2021-11-03 03:52:32,562 INFO L111 eAbstractionObserver]: Analyzing ICFG rew.c [2021-11-03 03:52:32,569 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:52:32,569 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:52:32,644 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:52:32,653 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 03:52:32,653 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 03:52:32,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-03 03:52:32,685 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:32,685 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-03 03:52:32,686 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:32,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:32,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1740444559, now seen corresponding path program 1 times [2021-11-03 03:52:32,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:52:32,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032903858] [2021-11-03 03:52:32,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:32,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:52:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:33,031 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:52:33,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032903858] [2021-11-03 03:52:33,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032903858] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:52:33,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:52:33,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 03:52:33,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288695763] [2021-11-03 03:52:33,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:52:33,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:52:33,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:52:33,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:52:33,083 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:33,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:33,130 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-03 03:52:33,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:52:33,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-03 03:52:33,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:33,143 INFO L225 Difference]: With dead ends: 18 [2021-11-03 03:52:33,143 INFO L226 Difference]: Without dead ends: 9 [2021-11-03 03:52:33,147 INFO L786 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 [2021-11-03 03:52:33,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-03 03:52:33,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-03 03:52:33,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-11-03 03:52:33,185 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2021-11-03 03:52:33,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:33,185 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-03 03:52:33,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-03 03:52:33,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 03:52:33,187 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:33,187 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:52:33,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 03:52:33,188 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:33,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:33,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1884425115, now seen corresponding path program 1 times [2021-11-03 03:52:33,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:52:33,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247685108] [2021-11-03 03:52:33,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:33,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:52:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:33,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:33,303 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:52:33,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247685108] [2021-11-03 03:52:33,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247685108] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:52:33,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751720421] [2021-11-03 03:52:33,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:33,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:33,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:33,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:52:33,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 03:52:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:33,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:52:33,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:33,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:33,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:33,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751720421] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:33,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [614505070] [2021-11-03 03:52:33,697 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:52:33,706 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:52:33,716 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:52:33,724 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:52:33,725 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:52:33,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:33,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:33,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:33,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:33,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:33,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:33,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:33,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:52:33,867 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_12|], 21=[|v_#valid_13|]} [2021-11-03 03:52:33,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:33,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:33,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:33,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:52:33,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:33,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:33,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:33,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:33,914 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:33,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:33,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:33,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:33,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:33,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:33,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:33,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:33,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:33,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:52:34,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:34,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:34,028 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:34,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:34,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:52:34,073 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:34,074 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:52:34,092 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:52:34,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:34,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:52:34,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:52:34,119 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_13|], 15=[|v_#valid_14|]} [2021-11-03 03:52:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,150 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:52:34,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:52:34,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:34,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:34,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:34,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:34,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:52:34,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:34,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:34,241 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:34,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:34,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:34,303 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:34,303 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:52:34,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 03:52:34,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 03:52:34,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,377 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-03 03:52:34,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:34,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-03 03:52:34,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-03 03:52:34,403 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.7 percent of original size 228 [2021-11-03 03:52:34,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:34,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 109 [2021-11-03 03:52:34,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:34,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:34,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:34,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:34,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,510 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:52:34,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 03:52:34,525 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:34,526 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:208, output treesize:205 [2021-11-03 03:52:34,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:34,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:34,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:34,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:34,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:34,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:34,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:52:34,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 435 [2021-11-03 03:52:34,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-03 03:52:34,892 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-03 03:52:34,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:34,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:52:34,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 423 [2021-11-03 03:52:34,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 851 [2021-11-03 03:52:34,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:34,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:34,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:52:34,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-03 03:52:35,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:52:35,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,145 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-11-03 03:52:35,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 129 [2021-11-03 03:52:35,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 03:52:35,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 03:52:35,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:35,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:52:35,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:35,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:35,333 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:35,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:52:35,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,468 INFO L388 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 0 case distinctions, treesize of input 101 treesize of output 118 [2021-11-03 03:52:35,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:52:35,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:52:35,480 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:35,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:35,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:35,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:35,511 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:35,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:35,624 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:52:35,677 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.5 percent of original size [2021-11-03 03:52:35,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 683 [2021-11-03 03:52:35,696 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:52:35,696 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:683 [2021-11-03 03:52:35,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:35,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:35,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:35,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:35,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:35,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:35,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:35,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:35,913 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:52:35,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:35,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:35,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:52:35,922 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:52:35,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:35,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:35,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:35,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:35,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:35,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:52:35,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:35,931 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:52:35,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:35,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:52:35,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:52:35,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:52:35,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:35,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:52:35,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:35,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:35,957 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:35,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:35,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:52:35,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:35,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:35,978 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:35,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:35,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:35,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:52:35,994 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:35,994 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:52:36,003 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:52:36,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:52:36,012 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:52:36,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:52:36,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:52:36,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-03 03:52:36,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029962391] [2021-11-03 03:52:36,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 03:52:36,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:52:36,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 03:52:36,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-03 03:52:36,723 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:36,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:36,763 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-11-03 03:52:36,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:52:36,764 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-03 03:52:36,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:36,765 INFO L225 Difference]: With dead ends: 15 [2021-11-03 03:52:36,765 INFO L226 Difference]: Without dead ends: 10 [2021-11-03 03:52:36,769 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-03 03:52:36,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-03 03:52:36,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-03 03:52:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:36,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-11-03 03:52:36,773 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2021-11-03 03:52:36,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:36,774 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-11-03 03:52:36,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:36,775 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-03 03:52:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-03 03:52:36,776 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:36,776 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-03 03:52:36,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:52:37,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:37,003 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:37,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:37,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1708731983, now seen corresponding path program 2 times [2021-11-03 03:52:37,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:52:37,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524193002] [2021-11-03 03:52:37,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:37,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:52:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:37,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:37,260 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:52:37,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524193002] [2021-11-03 03:52:37,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524193002] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:52:37,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833222944] [2021-11-03 03:52:37,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 03:52:37,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:37,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:37,263 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:52:37,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 03:52:37,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-03 03:52:37,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:52:37,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-03 03:52:37,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:37,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-03 03:52:37,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:37,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:37,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:37,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 71 [2021-11-03 03:52:37,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:37,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2021-11-03 03:52:37,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:37,658 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:37,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 25 [2021-11-03 03:52:37,909 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 03:52:37,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 34 [2021-11-03 03:52:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:37,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:38,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2021-11-03 03:52:38,129 INFO L388 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 73 treesize of output 71 [2021-11-03 03:52:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:38,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833222944] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:38,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [613601347] [2021-11-03 03:52:38,221 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:52:38,222 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:52:38,222 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:52:38,222 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:52:38,223 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:52:38,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:38,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:38,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:52:38,251 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 21=[|v_#valid_16|]} [2021-11-03 03:52:38,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:52:38,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:38,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:38,269 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:38,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:38,278 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:52:38,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:38,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:38,314 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:38,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:38,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:52:38,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:38,327 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:52:38,338 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:52:38,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:52:38,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:38,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:52:38,351 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_16|], 15=[|v_#valid_17|]} [2021-11-03 03:52:38,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,377 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:52:38,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:52:38,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:38,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:38,383 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:38,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:38,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:52:38,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:38,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:38,420 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:38,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:38,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:38,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:38,463 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:52:38,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:38,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:38,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:38,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:38,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:38,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:52:38,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 03:52:38,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:52:38,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:38,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:38,623 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:38,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:38,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:38,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:38,638 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:38,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:38,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,657 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-03 03:52:38,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 03:52:38,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:38,663 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-03 03:52:38,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:38,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:38,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:38,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:38,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:38,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-03 03:52:38,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-03 03:52:38,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-03 03:52:38,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 03:52:38,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:38,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:38,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:38,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:52:38,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-11-03 03:52:38,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:38,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:38,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 03:52:38,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-03 03:52:38,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:38,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,111 INFO L244 Elim1Store]: Index analysis took 156 ms [2021-11-03 03:52:39,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-03 03:52:39,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:52:39,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:52:39,160 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:39,180 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:39,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:39,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:39,183 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:39,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,305 INFO L388 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 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-03 03:52:39,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:52:39,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:52:39,315 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:39,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:52:39,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:39,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:39,393 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:39,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:39,493 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:52:39,546 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-03 03:52:39,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-03 03:52:39,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:52:39,565 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-03 03:52:39,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:39,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:39,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:39,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:39,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:39,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:39,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:39,718 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:52:39,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:39,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:39,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:52:39,726 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:52:39,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:39,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:39,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:39,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:39,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:39,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:52:39,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:39,736 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:52:39,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:39,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:52:39,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:52:39,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:52:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:39,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:52:39,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:39,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:39,769 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:39,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:39,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:52:39,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:39,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:39,798 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:39,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:39,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:39,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:52:39,817 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:39,817 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:52:39,825 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:52:39,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:52:39,834 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:52:40,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:52:40,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:52:40,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2021-11-03 03:52:40,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836744149] [2021-11-03 03:52:40,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-03 03:52:40,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:52:40,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-03 03:52:40,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2021-11-03 03:52:40,657 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:41,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:41,883 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2021-11-03 03:52:41,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 03:52:41,884 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-03 03:52:41,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:41,885 INFO L225 Difference]: With dead ends: 21 [2021-11-03 03:52:41,885 INFO L226 Difference]: Without dead ends: 19 [2021-11-03 03:52:41,886 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2021-11-03 03:52:41,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-03 03:52:41,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 12. [2021-11-03 03:52:41,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:41,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-11-03 03:52:41,890 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 8 [2021-11-03 03:52:41,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:41,890 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-11-03 03:52:41,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-03 03:52:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 03:52:41,892 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:41,892 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:52:41,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:52:42,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:42,111 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:42,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:42,112 INFO L85 PathProgramCache]: Analyzing trace with hash -876836285, now seen corresponding path program 1 times [2021-11-03 03:52:42,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:52:42,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976603433] [2021-11-03 03:52:42,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:42,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:52:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:42,388 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:52:42,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976603433] [2021-11-03 03:52:42,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976603433] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:52:42,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080669576] [2021-11-03 03:52:42,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:42,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:42,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:42,391 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:52:42,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 03:52:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:42,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-03 03:52:42,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:42,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-03 03:52:42,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-11-03 03:52:42,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:42,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:42,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2021-11-03 03:52:42,855 INFO L388 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 32 treesize of output 28 [2021-11-03 03:52:42,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:42,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080669576] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:42,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1612651607] [2021-11-03 03:52:42,929 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:52:42,929 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:52:42,930 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:52:42,930 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:52:42,930 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:52:42,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:42,939 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:42,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:42,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:42,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:42,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:42,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:42,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:52:42,948 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 21=[|v_#valid_19|]} [2021-11-03 03:52:42,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:42,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:42,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:52:42,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:42,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:42,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:42,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:42,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:42,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:42,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:42,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:42,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:42,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:42,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:42,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:42,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:42,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:42,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:42,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:52:42,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:42,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:42,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:42,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:42,993 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:42,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:42,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:52:43,004 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:43,004 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:52:43,011 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:52:43,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:52:43,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:43,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:52:43,022 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_19|], 15=[|v_#valid_20|]} [2021-11-03 03:52:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,050 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:52:43,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:52:43,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:43,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:43,055 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:43,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:43,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:52:43,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:43,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:43,090 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:43,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:43,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:43,106 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:43,107 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:52:43,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:43,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:43,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:43,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:43,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:43,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:52:43,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 03:52:43,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:52:43,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:43,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:43,254 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:43,266 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:43,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:43,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:43,269 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:43,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:43,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,284 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-03 03:52:43,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 03:52:43,288 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:43,288 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-03 03:52:43,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:43,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:43,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:43,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,429 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:43,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:43,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-03 03:52:43,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:43,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 448 [2021-11-03 03:52:43,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-11-03 03:52:43,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:43,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-03 03:52:43,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 03:52:43,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 436 [2021-11-03 03:52:43,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 877 [2021-11-03 03:52:43,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:43,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 03:52:43,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-03 03:52:43,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:52:43,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:43,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:43,711 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:43,732 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:43,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:43,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:43,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:43,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,853 INFO L388 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 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-03 03:52:43,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:52:43,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:52:43,862 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:43,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:43,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-03 03:52:43,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:52:43,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:43,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:52:43,954 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:43,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,037 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:52:44,068 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-03 03:52:44,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-03 03:52:44,080 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:52:44,081 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-03 03:52:44,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,181 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:52:44,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:44,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:44,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:52:44,197 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:52:44,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:44,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:44,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:44,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:44,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:44,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:52:44,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:44,204 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:52:44,205 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:44,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:52:44,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:52:44,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:52:44,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:44,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:52:44,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:44,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:44,227 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:44,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,234 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:52:44,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:44,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:44,244 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:44,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:52:44,258 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:44,258 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:52:44,266 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:52:44,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:52:44,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-03 03:52:44,285 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-03 03:52:44,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:52:44,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-03 03:52:44,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:52:44,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,420 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:52:44,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:52:44,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:44,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:44,441 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:52:44,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:52:44,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:44,497 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:52:45,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:52:45,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:52:45,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2021-11-03 03:52:45,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088590632] [2021-11-03 03:52:45,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-03 03:52:45,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:52:45,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-03 03:52:45,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2021-11-03 03:52:45,965 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:46,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:46,317 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2021-11-03 03:52:46,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-03 03:52:46,318 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-03 03:52:46,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:46,319 INFO L225 Difference]: With dead ends: 27 [2021-11-03 03:52:46,319 INFO L226 Difference]: Without dead ends: 25 [2021-11-03 03:52:46,320 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=125, Invalid=745, Unknown=0, NotChecked=0, Total=870 [2021-11-03 03:52:46,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-03 03:52:46,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 16. [2021-11-03 03:52:46,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-11-03 03:52:46,330 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2021-11-03 03:52:46,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:46,330 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-11-03 03:52:46,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-03 03:52:46,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 03:52:46,331 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:46,332 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:52:46,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:52:46,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:46,551 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:46,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:46,552 INFO L85 PathProgramCache]: Analyzing trace with hash -755739303, now seen corresponding path program 2 times [2021-11-03 03:52:46,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:52:46,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515816879] [2021-11-03 03:52:46,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:46,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:52:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:46,798 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:52:46,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515816879] [2021-11-03 03:52:46,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515816879] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:52:46,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732348616] [2021-11-03 03:52:46,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 03:52:46,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:46,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:46,803 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:52:46,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 03:52:46,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-03 03:52:46,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:52:46,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-03 03:52:46,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:47,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-03 03:52:47,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:47,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:47,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:47,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 75 [2021-11-03 03:52:47,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:47,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 23 [2021-11-03 03:52:47,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:47,193 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:47,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 27 [2021-11-03 03:52:47,935 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-03 03:52:47,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 34 [2021-11-03 03:52:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:47,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:48,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-11-03 03:52:48,204 INFO L388 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 87 treesize of output 83 [2021-11-03 03:52:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:48,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732348616] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:48,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [672993661] [2021-11-03 03:52:48,325 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:52:48,325 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:52:48,325 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:52:48,326 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:52:48,326 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:52:48,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:48,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:48,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:52:48,343 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 21=[|v_#valid_22|]} [2021-11-03 03:52:48,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:52:48,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:48,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:48,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:48,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:48,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:52:48,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:48,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:48,393 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:48,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:48,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:52:48,403 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:48,403 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:52:48,410 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:52:48,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:48,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:52:48,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:52:48,423 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_22|], 15=[|v_#valid_23|]} [2021-11-03 03:52:48,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,452 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:52:48,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:52:48,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:48,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:48,456 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:48,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:48,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:52:48,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:48,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:48,488 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:48,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:48,498 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:48,504 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:48,504 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:52:48,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:48,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:48,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,524 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:48,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:48,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:48,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:52:48,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 03:52:48,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:52:48,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:48,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:48,647 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:48,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:48,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:48,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:48,661 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:48,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:48,672 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,676 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-03 03:52:48,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 03:52:48,680 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:48,680 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-03 03:52:48,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:48,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:48,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:48,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:48,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:48,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:48,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-03 03:52:48,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 03:52:48,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 436 [2021-11-03 03:52:48,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:48,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-03 03:52:48,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 448 [2021-11-03 03:52:48,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-11-03 03:52:48,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 877 [2021-11-03 03:52:48,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:48,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:48,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 03:52:48,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-03 03:52:48,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:48,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,087 INFO L388 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 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-03 03:52:49,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:52:49,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:52:49,094 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:49,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:52:49,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:49,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:49,192 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-03 03:52:49,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:52:49,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:52:49,333 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:49,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:49,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:49,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:49,358 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:49,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,525 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:52:49,562 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-03 03:52:49,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-03 03:52:49,575 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:52:49,576 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-03 03:52:49,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,689 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:52:49,691 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:49,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,693 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:49,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:52:49,695 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:52:49,696 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:49,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:49,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:49,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:49,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:49,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:52:49,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:49,702 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:52:49,702 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:49,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:52:49,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:52:49,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:52:49,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:49,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:52:49,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:49,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:49,722 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:49,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,731 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:52:49,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:49,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:49,741 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:49,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,750 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:52:49,755 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:49,755 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:52:49,762 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:52:49,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:52:49,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-03 03:52:49,774 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-03 03:52:49,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:52:49,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-03 03:52:49,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:52:49,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,904 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:52:49,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:52:49,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:49,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:49,924 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:52:49,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:52:49,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:49,984 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:52:51,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:52:51,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:52:51,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2021-11-03 03:52:51,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206921236] [2021-11-03 03:52:51,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-03 03:52:51,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:52:51,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-03 03:52:51,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=664, Unknown=1, NotChecked=0, Total=756 [2021-11-03 03:52:51,541 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:53,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:53,150 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2021-11-03 03:52:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-03 03:52:53,153 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-03 03:52:53,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:53,154 INFO L225 Difference]: With dead ends: 36 [2021-11-03 03:52:53,154 INFO L226 Difference]: Without dead ends: 34 [2021-11-03 03:52:53,156 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=322, Invalid=1747, Unknown=1, NotChecked=0, Total=2070 [2021-11-03 03:52:53,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-03 03:52:53,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 15. [2021-11-03 03:52:53,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:53,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-11-03 03:52:53,162 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2021-11-03 03:52:53,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:53,162 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-11-03 03:52:53,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:53,162 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2021-11-03 03:52:53,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-03 03:52:53,163 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:53,163 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2021-11-03 03:52:53,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-03 03:52:53,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-11-03 03:52:53,367 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:53,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:53,367 INFO L85 PathProgramCache]: Analyzing trace with hash 166604913, now seen corresponding path program 3 times [2021-11-03 03:52:53,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:52:53,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936335250] [2021-11-03 03:52:53,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:53,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:52:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:53,449 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:52:53,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936335250] [2021-11-03 03:52:53,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936335250] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:52:53,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501240759] [2021-11-03 03:52:53,450 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 03:52:53,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:53,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:53,463 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:52:53,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 03:52:53,591 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 03:52:53,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:52:53,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 03:52:53,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:53,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:53,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501240759] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:53,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [240429349] [2021-11-03 03:52:53,764 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:52:53,765 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:52:53,765 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:52:53,765 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:52:53,765 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:52:53,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,772 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:53,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:53,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:53,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:53,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:52:53,779 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_24|], 21=[|v_#valid_25|]} [2021-11-03 03:52:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:52:53,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:53,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:53,793 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:53,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:53,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:52:53,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:53,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:53,823 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:53,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:53,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:52:53,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:53,834 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:52:53,841 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:52:53,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:53,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:52:53,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:53,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:53,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:52:53,850 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_25|], 15=[|v_#valid_26|]} [2021-11-03 03:52:53,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,871 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:52:53,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:52:53,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:53,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:53,875 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:53,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:53,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:52:53,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:53,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:53,907 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:53,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:53,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:53,923 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:53,923 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:52:53,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:53,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:53,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 03:52:53,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 03:52:53,939 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:53,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:53,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-03 03:52:53,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:53,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:53,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-03 03:52:53,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:53,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-03 03:52:53,953 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.7 percent of original size 228 [2021-11-03 03:52:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:53,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 109 [2021-11-03 03:52:53,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:53,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:53,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:53,996 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:53,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,010 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:52:54,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 03:52:54,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:54,014 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:208, output treesize:205 [2021-11-03 03:52:54,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:54,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:54,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:54,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:54,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:54,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:52:54,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-03 03:52:54,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:52:54,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-03 03:52:54,172 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-03 03:52:54,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 501 [2021-11-03 03:52:54,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:52:54,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-03 03:52:54,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:52:54,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,338 INFO L388 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 0 case distinctions, treesize of input 101 treesize of output 118 [2021-11-03 03:52:54,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:52:54,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:52:54,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:54,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:52:54,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:54,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:54,447 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:54,472 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:54,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:54,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:54,474 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:54,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:52:54,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 129 [2021-11-03 03:52:54,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 03:52:54,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 03:52:54,546 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:54,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,620 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:52:54,651 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.5 percent of original size [2021-11-03 03:52:54,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 683 [2021-11-03 03:52:54,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:52:54,664 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:683 [2021-11-03 03:52:54,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,768 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:52:54,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:52:54,774 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:52:54,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,777 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:54,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:54,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:52:54,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,781 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:52:54,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:54,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:52:54,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:52:54,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:52:54,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:54,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:52:54,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:54,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:54,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:54,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:52:54,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:54,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:54,819 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:54,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:52:54,831 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:54,831 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:52:54,838 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:52:54,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:52:54,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-03 03:52:54,851 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-03 03:52:54,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:52:54,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-03 03:52:54,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:52:54,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:54,980 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:52:54,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:52:54,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:54,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:55,001 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:52:55,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:52:55,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:55,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:55,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:55,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:55,051 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:52:56,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:52:56,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:52:56,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2021-11-03 03:52:56,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657792735] [2021-11-03 03:52:56,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-03 03:52:56,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:52:56,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-03 03:52:56,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-03 03:52:56,280 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:56,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:56,368 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-11-03 03:52:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 03:52:56,369 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-03 03:52:56,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:56,369 INFO L225 Difference]: With dead ends: 34 [2021-11-03 03:52:56,369 INFO L226 Difference]: Without dead ends: 22 [2021-11-03 03:52:56,370 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2021-11-03 03:52:56,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-03 03:52:56,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 16. [2021-11-03 03:52:56,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:56,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-11-03 03:52:56,376 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2021-11-03 03:52:56,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:56,377 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-11-03 03:52:56,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-03 03:52:56,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 03:52:56,378 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:56,378 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1] [2021-11-03 03:52:56,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-03 03:52:56,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116 [2021-11-03 03:52:56,599 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:56,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:56,600 INFO L85 PathProgramCache]: Analyzing trace with hash -5732965, now seen corresponding path program 4 times [2021-11-03 03:52:56,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:52:56,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667748262] [2021-11-03 03:52:56,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:56,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:52:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:56,783 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:52:56,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667748262] [2021-11-03 03:52:56,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667748262] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:52:56,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930953178] [2021-11-03 03:52:56,784 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 03:52:56,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:56,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:56,786 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:52:56,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-03 03:52:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:56,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-03 03:52:56,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:57,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-03 03:52:57,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-11-03 03:52:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:57,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:57,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2021-11-03 03:52:57,526 INFO L388 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 32 treesize of output 28 [2021-11-03 03:52:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:52:57,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930953178] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:57,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [979098497] [2021-11-03 03:52:57,644 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:52:57,645 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:52:57,645 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:52:57,645 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:52:57,645 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:52:57,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:57,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:57,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:57,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:57,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:52:57,660 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_27|], 21=[|v_#valid_28|]} [2021-11-03 03:52:57,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:52:57,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:57,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:57,681 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:57,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:57,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:52:57,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:57,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:52:57,712 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:57,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:57,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:52:57,721 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:57,721 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:52:57,737 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:52:57,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:57,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:57,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:57,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:52:57,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:52:57,750 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_28|], 15=[|v_#valid_29|]} [2021-11-03 03:52:57,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,772 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:52:57,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:52:57,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:57,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:57,777 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:57,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:57,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:52:57,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:57,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:52:57,808 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:57,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:57,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:57,822 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:57,822 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:52:57,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:57,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:57,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:57,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:57,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:57,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:57,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:57,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:57,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:57,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:57,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:57,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:52:57,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 03:52:57,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:57,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:57,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:57,874 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:57,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:52:57,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:57,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:57,913 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:57,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:57,922 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:57,926 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-03 03:52:57,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 03:52:57,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:52:57,930 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-03 03:52:57,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:57,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:57,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:58,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:52:58,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:58,065 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:58,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:52:58,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:52:58,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-03 03:52:58,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-03 03:52:58,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-03 03:52:58,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 03:52:58,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-11-03 03:52:58,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 03:52:58,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-03 03:52:58,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,227 INFO L388 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 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-03 03:52:58,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:52:58,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:52:58,236 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:58,254 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:52:58,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:58,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:52:58,256 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:58,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:52:58,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:58,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:58,368 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:58,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-03 03:52:58,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:52:58,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:52:58,452 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:58,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,548 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:52:58,581 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-03 03:52:58,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-03 03:52:58,593 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:52:58,593 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-03 03:52:58,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,695 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:52:58,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:52:58,701 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:52:58,702 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:52:58,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:52:58,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:52:58,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,708 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:52:58,708 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:52:58,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:52:58,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:52:58,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:52:58,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:52:58,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:58,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:52:58,726 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:58,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:52:58,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:52:58,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:58,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:52:58,745 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:52:58,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,752 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:52:58,757 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:52:58,757 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:52:58,765 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:52:58,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:52:58,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,774 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-11-03 03:52:58,777 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-03 03:52:58,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:52:58,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,811 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:52:58,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:52:58,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:52:58,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:52:58,831 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:52:58,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:52:58,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:52:58,874 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:53:00,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:53:00,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:53:00,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2021-11-03 03:53:00,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701188333] [2021-11-03 03:53:00,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-03 03:53:00,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:53:00,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-03 03:53:00,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=833, Unknown=0, NotChecked=0, Total=930 [2021-11-03 03:53:00,168 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:00,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:53:00,559 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-11-03 03:53:00,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-03 03:53:00,560 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-03 03:53:00,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:53:00,562 INFO L225 Difference]: With dead ends: 34 [2021-11-03 03:53:00,562 INFO L226 Difference]: Without dead ends: 32 [2021-11-03 03:53:00,563 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=163, Invalid=1243, Unknown=0, NotChecked=0, Total=1406 [2021-11-03 03:53:00,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-03 03:53:00,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 20. [2021-11-03 03:53:00,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:00,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-11-03 03:53:00,572 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 15 [2021-11-03 03:53:00,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:53:00,573 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-11-03 03:53:00,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:00,574 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-11-03 03:53:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-03 03:53:00,575 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:53:00,575 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1] [2021-11-03 03:53:00,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-03 03:53:00,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable155 [2021-11-03 03:53:00,795 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:53:00,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:53:00,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1053239887, now seen corresponding path program 5 times [2021-11-03 03:53:00,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:53:00,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360209060] [2021-11-03 03:53:00,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:53:00,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:53:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:53:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:01,107 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:53:01,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360209060] [2021-11-03 03:53:01,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360209060] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:53:01,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651736287] [2021-11-03 03:53:01,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 03:53:01,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:53:01,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:53:01,109 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:53:01,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-03 03:53:01,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-03 03:53:01,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:53:01,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-03 03:53:01,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:53:01,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-03 03:53:01,570 INFO L354 Elim1Store]: treesize reduction 139, result has 18.2 percent of original size [2021-11-03 03:53:01,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 75 [2021-11-03 03:53:01,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:01,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 03:53:01,643 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-03 03:53:01,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 27 [2021-11-03 03:53:04,567 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-03 03:53:04,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 34 [2021-11-03 03:53:04,615 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:04,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:53:04,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-11-03 03:53:04,871 INFO L388 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 87 treesize of output 83 [2021-11-03 03:53:05,053 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:05,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651736287] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:53:05,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1209861958] [2021-11-03 03:53:05,055 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:53:05,055 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:53:05,056 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:53:05,056 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:53:05,056 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:53:05,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:05,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:05,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:53:05,074 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_30|], 21=[|v_#valid_31|]} [2021-11-03 03:53:05,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:53:05,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:05,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:05,087 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:05,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:05,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:53:05,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:05,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:05,112 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:05,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:05,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:05,119 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:05,119 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:53:05,123 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:53:05,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:05,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:53:05,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:53:05,132 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_31|], 15=[|v_#valid_32|]} [2021-11-03 03:53:05,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,158 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:53:05,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:53:05,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:05,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:05,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:05,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:05,170 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:53:05,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:05,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:05,195 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:05,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:05,202 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:05,209 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:05,209 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:53:05,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 03:53:05,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 03:53:05,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-03 03:53:05,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:05,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-03 03:53:05,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-03 03:53:05,237 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.7 percent of original size 228 [2021-11-03 03:53:05,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 109 [2021-11-03 03:53:05,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:05,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:05,277 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:05,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:05,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,289 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:53:05,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 03:53:05,293 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:05,293 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:208, output treesize:205 [2021-11-03 03:53:05,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:05,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:05,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:05,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:05,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:05,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,419 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:53:05,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:05,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 435 [2021-11-03 03:53:05,443 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-03 03:53:05,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:05,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-03 03:53:05,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:53:05,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 423 [2021-11-03 03:53:05,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 851 [2021-11-03 03:53:05,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:05,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:53:05,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-03 03:53:05,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:53:05,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:05,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:05,552 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:53:05,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:05,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:05,666 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:05,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:53:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,795 INFO L388 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 0 case distinctions, treesize of input 101 treesize of output 118 [2021-11-03 03:53:05,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:53:05,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:53:05,803 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:05,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:53:05,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:05,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 129 [2021-11-03 03:53:05,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 03:53:05,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:05,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 03:53:05,883 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:05,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:05,943 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:53:05,979 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.5 percent of original size [2021-11-03 03:53:05,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 683 [2021-11-03 03:53:05,991 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:53:05,991 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:683 [2021-11-03 03:53:05,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,084 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:53:06,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:06,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:06,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:06,090 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:53:06,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:06,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:06,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:06,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:06,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:06,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:53:06,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:06,097 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:53:06,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:06,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:06,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:53:06,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:53:06,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:53:06,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:06,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:06,114 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:06,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:06,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:53:06,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:06,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:06,133 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:06,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:06,144 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:53:06,144 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:53:06,152 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:53:06,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:53:06,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,160 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-11-03 03:53:06,165 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-03 03:53:06,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:06,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,199 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:06,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:06,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:06,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:06,219 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:06,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:06,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:06,263 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:53:07,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:53:07,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:53:07,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2021-11-03 03:53:07,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61823700] [2021-11-03 03:53:07,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-03 03:53:07,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:53:07,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-03 03:53:07,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1010, Unknown=1, NotChecked=0, Total=1122 [2021-11-03 03:53:07,558 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:13,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:53:13,295 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2021-11-03 03:53:13,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-03 03:53:13,296 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-03 03:53:13,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:53:13,296 INFO L225 Difference]: With dead ends: 47 [2021-11-03 03:53:13,297 INFO L226 Difference]: Without dead ends: 45 [2021-11-03 03:53:13,298 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=426, Invalid=2764, Unknown=2, NotChecked=0, Total=3192 [2021-11-03 03:53:13,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-03 03:53:13,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 19. [2021-11-03 03:53:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-11-03 03:53:13,306 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 16 [2021-11-03 03:53:13,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:53:13,306 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-11-03 03:53:13,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:13,307 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-11-03 03:53:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 03:53:13,308 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:53:13,308 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1] [2021-11-03 03:53:13,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-03 03:53:13,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:53:13,519 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:53:13,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:53:13,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1013208601, now seen corresponding path program 6 times [2021-11-03 03:53:13,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:53:13,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921671409] [2021-11-03 03:53:13,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:53:13,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:53:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:53:13,629 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:13,629 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:53:13,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921671409] [2021-11-03 03:53:13,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921671409] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:53:13,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509142071] [2021-11-03 03:53:13,630 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 03:53:13,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:53:13,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:53:13,631 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:53:13,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-03 03:53:13,828 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 03:53:13,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:53:13,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-03 03:53:13,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:53:13,983 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:13,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:53:14,055 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:14,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509142071] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:53:14,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2006209573] [2021-11-03 03:53:14,059 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:53:14,059 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:53:14,059 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:53:14,059 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:53:14,060 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:53:14,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:14,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:14,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:53:14,076 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_33|], 21=[|v_#valid_34|]} [2021-11-03 03:53:14,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:53:14,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:14,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:14,092 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:53:14,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:14,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:14,125 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:14,133 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,134 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:53:14,143 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:53:14,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:14,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:53:14,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:53:14,152 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_34|], 15=[|v_#valid_35|]} [2021-11-03 03:53:14,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,172 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:53:14,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:53:14,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:14,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:14,176 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:53:14,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:14,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:14,204 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:14,217 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,217 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:53:14,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:14,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:14,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:14,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:14,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:14,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:53:14,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 03:53:14,269 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:53:14,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:14,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:14,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:53:14,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:14,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:14,308 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,320 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-03 03:53:14,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 03:53:14,323 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,324 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-03 03:53:14,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:14,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:14,422 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-03 03:53:14,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-03 03:53:14,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-03 03:53:14,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 03:53:14,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:14,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:14,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:14,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:53:14,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-11-03 03:53:14,457 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:14,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 03:53:14,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-03 03:53:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,586 INFO L388 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 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-03 03:53:14,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:53:14,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:53:14,599 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,626 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:53:14,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:14,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:14,628 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:53:14,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:14,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:14,748 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:14,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-03 03:53:14,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:53:14,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:14,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:53:14,822 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:14,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,876 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:53:14,906 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-03 03:53:14,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-03 03:53:14,917 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:53:14,918 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-03 03:53:14,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:14,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,000 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:53:15,007 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:15,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,009 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:15,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:15,011 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:53:15,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:15,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:15,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:15,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:15,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:15,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:53:15,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:15,020 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:53:15,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:15,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:15,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:53:15,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:53:15,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:15,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:53:15,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:15,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:15,038 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:15,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:53:15,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:15,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:15,051 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:15,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:15,057 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:53:15,058 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:53:15,063 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:53:15,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:53:15,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,069 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-11-03 03:53:15,077 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-03 03:53:15,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:15,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,105 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:15,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:15,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:15,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:15,120 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:15,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:15,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:15,153 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:53:16,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:53:16,188 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:53:16,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2021-11-03 03:53:16,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554634169] [2021-11-03 03:53:16,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-03 03:53:16,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:53:16,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-03 03:53:16,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2021-11-03 03:53:16,190 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:16,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:53:16,308 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2021-11-03 03:53:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 03:53:16,309 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-03 03:53:16,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:53:16,309 INFO L225 Difference]: With dead ends: 41 [2021-11-03 03:53:16,310 INFO L226 Difference]: Without dead ends: 26 [2021-11-03 03:53:16,310 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2021-11-03 03:53:16,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-03 03:53:16,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2021-11-03 03:53:16,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-11-03 03:53:16,324 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 18 [2021-11-03 03:53:16,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:53:16,325 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-11-03 03:53:16,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-11-03 03:53:16,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-03 03:53:16,326 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:53:16,327 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1] [2021-11-03 03:53:16,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-03 03:53:16,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:53:16,551 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:53:16,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:53:16,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1966868035, now seen corresponding path program 7 times [2021-11-03 03:53:16,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:53:16,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886701056] [2021-11-03 03:53:16,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:53:16,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:53:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:53:16,922 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:16,923 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:53:16,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886701056] [2021-11-03 03:53:16,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886701056] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:53:16,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236557218] [2021-11-03 03:53:16,923 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 03:53:16,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:53:16,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:53:16,924 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:53:16,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-03 03:53:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:53:17,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-03 03:53:17,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:53:17,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-03 03:53:17,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-11-03 03:53:17,589 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:17,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:53:17,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2021-11-03 03:53:17,771 INFO L388 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 32 treesize of output 28 [2021-11-03 03:53:17,918 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:17,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236557218] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:53:17,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1133454142] [2021-11-03 03:53:17,921 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:53:17,921 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:53:17,921 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:53:17,921 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:53:17,921 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:53:17,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:17,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:17,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:17,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:17,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:17,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:17,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:17,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:53:17,934 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_36|], 21=[|v_#valid_37|]} [2021-11-03 03:53:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:17,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:17,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:17,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:53:17,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:17,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:17,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:17,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:17,966 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:17,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:17,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:17,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:17,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:17,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:17,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:17,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:17,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:53:17,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:17,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:17,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:17,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:17,993 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:17,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:17,998 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:18,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:18,003 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:53:18,009 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:53:18,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:18,011 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:53:18,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:53:18,015 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_37|], 15=[|v_#valid_38|]} [2021-11-03 03:53:18,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,033 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:53:18,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:53:18,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:18,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:18,036 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:18,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,041 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:53:18,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:18,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:18,068 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:18,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,076 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:18,082 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:18,082 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:53:18,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 03:53:18,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 03:53:18,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-03 03:53:18,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:18,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-03 03:53:18,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-03 03:53:18,112 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.7 percent of original size 228 [2021-11-03 03:53:18,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 109 [2021-11-03 03:53:18,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:18,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:18,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:18,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,160 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,163 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:53:18,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 03:53:18,167 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:18,167 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:208, output treesize:205 [2021-11-03 03:53:18,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:18,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:18,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:18,315 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:53:18,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 435 [2021-11-03 03:53:18,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-03 03:53:18,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:18,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-03 03:53:18,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:53:18,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 423 [2021-11-03 03:53:18,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 851 [2021-11-03 03:53:18,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:18,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:53:18,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-03 03:53:18,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:53:18,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,523 INFO L388 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 0 case distinctions, treesize of input 101 treesize of output 118 [2021-11-03 03:53:18,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:53:18,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:53:18,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:18,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:53:18,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:18,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:18,641 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:18,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:53:18,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:18,789 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-03 03:53:18,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 129 [2021-11-03 03:53:18,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 03:53:18,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 03:53:18,827 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:18,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:53:18,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:18,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:18,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:18,846 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:18,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,909 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:53:18,929 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.5 percent of original size [2021-11-03 03:53:18,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 683 [2021-11-03 03:53:18,937 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:53:18,937 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:683 [2021-11-03 03:53:18,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:18,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,013 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:53:19,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:19,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:19,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:19,019 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:53:19,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:19,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:19,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:19,023 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:19,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:19,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:53:19,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:19,026 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:53:19,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:19,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:19,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:53:19,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:53:19,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:19,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:53:19,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:19,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:19,044 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:19,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:53:19,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:19,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:19,061 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:19,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,066 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:19,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:53:19,071 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:53:19,078 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:53:19,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:53:19,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,086 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-11-03 03:53:19,089 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-03 03:53:19,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:19,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,122 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:19,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:19,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:19,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:19,138 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:19,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:19,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:19,166 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:53:20,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:53:20,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:53:20,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2021-11-03 03:53:20,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745198824] [2021-11-03 03:53:20,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-03 03:53:20,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:53:20,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-03 03:53:20,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1204, Unknown=0, NotChecked=0, Total=1332 [2021-11-03 03:53:20,349 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:20,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:53:20,730 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2021-11-03 03:53:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-03 03:53:20,730 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-03 03:53:20,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:53:20,731 INFO L225 Difference]: With dead ends: 41 [2021-11-03 03:53:20,731 INFO L226 Difference]: Without dead ends: 39 [2021-11-03 03:53:20,733 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=195, Invalid=1697, Unknown=0, NotChecked=0, Total=1892 [2021-11-03 03:53:20,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-03 03:53:20,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 24. [2021-11-03 03:53:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2021-11-03 03:53:20,742 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 19 [2021-11-03 03:53:20,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:53:20,742 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2021-11-03 03:53:20,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:20,743 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2021-11-03 03:53:20,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-03 03:53:20,744 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:53:20,744 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 3, 3, 1, 1, 1, 1, 1] [2021-11-03 03:53:20,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-03 03:53:20,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable243 [2021-11-03 03:53:20,947 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:53:20,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:53:20,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1465539417, now seen corresponding path program 8 times [2021-11-03 03:53:20,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:53:20,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803174637] [2021-11-03 03:53:20,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:53:20,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:53:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:53:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:21,312 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:53:21,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803174637] [2021-11-03 03:53:21,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803174637] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:53:21,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585184372] [2021-11-03 03:53:21,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 03:53:21,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:53:21,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:53:21,313 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:53:21,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-03 03:53:21,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-03 03:53:21,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:53:21,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-03 03:53:21,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:53:21,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-03 03:53:21,839 INFO L354 Elim1Store]: treesize reduction 139, result has 18.2 percent of original size [2021-11-03 03:53:21,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 75 [2021-11-03 03:53:21,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:21,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-03 03:53:21,900 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-03 03:53:21,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 27 [2021-11-03 03:53:22,536 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-03 03:53:22,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 34 [2021-11-03 03:53:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:22,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:53:22,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-11-03 03:53:22,866 INFO L388 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 87 treesize of output 83 [2021-11-03 03:53:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:23,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585184372] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:53:23,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1179791848] [2021-11-03 03:53:23,093 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:53:23,093 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:53:23,093 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:53:23,093 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:53:23,094 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:53:23,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:23,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:23,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:53:23,106 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_39|], 21=[|v_#valid_40|]} [2021-11-03 03:53:23,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:53:23,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:23,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:23,117 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:23,121 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:53:23,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:23,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:23,147 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:23,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:23,154 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,154 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:53:23,159 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:53:23,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:23,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:53:23,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:53:23,168 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_40|], 15=[|v_#valid_41|]} [2021-11-03 03:53:23,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,191 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:53:23,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:53:23,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:23,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:23,195 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:23,202 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:53:23,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:23,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:23,228 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:23,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:23,241 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,241 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:53:23,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:23,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:23,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:23,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:23,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:23,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:53:23,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 03:53:23,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:53:23,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:23,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:23,378 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:53:23,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:23,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:23,390 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:23,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,401 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-03 03:53:23,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 03:53:23,405 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,405 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-03 03:53:23,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:23,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:23,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:23,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:23,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:23,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,534 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,536 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-03 03:53:23,539 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-03 03:53:23,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-03 03:53:23,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 03:53:23,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:23,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:23,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:23,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:53:23,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-11-03 03:53:23,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:23,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 03:53:23,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-03 03:53:23,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:53:23,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:23,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:23,681 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,780 INFO L388 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 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-03 03:53:23,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:53:23,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:53:23,785 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:23,921 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-11-03 03:53:23,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-03 03:53:23,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:53:23,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:53:23,964 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,976 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:53:23,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:23,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:23,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:23,978 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:23,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,019 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:53:24,034 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-03 03:53:24,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-03 03:53:24,040 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:53:24,040 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-03 03:53:24,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,090 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:53:24,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:24,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:24,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:24,094 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:53:24,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:24,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:24,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:24,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:24,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:24,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:53:24,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:24,099 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:53:24,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:24,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:24,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:53:24,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:53:24,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:24,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:53:24,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:24,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:24,144 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:24,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:53:24,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:24,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:24,158 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:24,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:24,167 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:53:24,167 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:53:24,172 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:53:24,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:53:24,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-03 03:53:24,181 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-03 03:53:24,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:53:24,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-03 03:53:24,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:53:24,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,267 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:24,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:24,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:24,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:24,286 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:24,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:24,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:24,326 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:53:25,597 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:53:25,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:53:25,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 34 [2021-11-03 03:53:25,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836643288] [2021-11-03 03:53:25,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-03 03:53:25,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:53:25,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-03 03:53:25,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1423, Unknown=0, NotChecked=0, Total=1560 [2021-11-03 03:53:25,600 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 34 states, 34 states have (on average 1.6176470588235294) internal successors, (55), 34 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:29,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:53:29,804 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2021-11-03 03:53:29,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-03 03:53:29,806 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.6176470588235294) internal successors, (55), 34 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-03 03:53:29,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:53:29,807 INFO L225 Difference]: With dead ends: 49 [2021-11-03 03:53:29,807 INFO L226 Difference]: Without dead ends: 47 [2021-11-03 03:53:29,809 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=498, Invalid=3792, Unknown=0, NotChecked=0, Total=4290 [2021-11-03 03:53:29,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-03 03:53:29,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 23. [2021-11-03 03:53:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:29,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2021-11-03 03:53:29,816 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2021-11-03 03:53:29,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:53:29,816 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2021-11-03 03:53:29,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.6176470588235294) internal successors, (55), 34 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-11-03 03:53:29,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-03 03:53:29,817 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:53:29,818 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1] [2021-11-03 03:53:29,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-03 03:53:30,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:53:30,022 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:53:30,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:53:30,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1267911567, now seen corresponding path program 9 times [2021-11-03 03:53:30,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:53:30,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918359453] [2021-11-03 03:53:30,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:53:30,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:53:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:53:30,148 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:30,148 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:53:30,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918359453] [2021-11-03 03:53:30,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918359453] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:53:30,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122147687] [2021-11-03 03:53:30,148 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 03:53:30,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:53:30,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:53:30,150 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:53:30,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-03 03:53:30,452 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 03:53:30,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:53:30,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-03 03:53:30,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:53:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:30,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:53:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:30,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122147687] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:53:30,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [493821917] [2021-11-03 03:53:30,709 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:53:30,709 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:53:30,709 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:53:30,710 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:53:30,710 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:53:30,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:30,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:30,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:30,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:30,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:53:30,729 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_42|], 21=[|v_#valid_43|]} [2021-11-03 03:53:30,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:53:30,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:30,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:30,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:30,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:30,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:53:30,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:30,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:30,759 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:30,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:30,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:30,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:30,765 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:53:30,778 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:53:30,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:30,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:53:30,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:30,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:30,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:53:30,787 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_43|], 15=[|v_#valid_44|]} [2021-11-03 03:53:30,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,809 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:53:30,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:53:30,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:30,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:30,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:30,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:30,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:53:30,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:30,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:30,842 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:30,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:30,849 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:30,855 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:30,855 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:53:30,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:30,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:30,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 03:53:30,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 03:53:30,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:30,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:30,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-03 03:53:30,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:30,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:30,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-03 03:53:30,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:30,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-03 03:53:30,881 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.7 percent of original size 228 [2021-11-03 03:53:30,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:30,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 109 [2021-11-03 03:53:30,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:30,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:30,919 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:30,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:30,926 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:30,929 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:53:30,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 03:53:30,933 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:30,933 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:208, output treesize:205 [2021-11-03 03:53:30,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:30,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:30,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,023 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:31,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:31,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:31,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:31,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:31,046 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:53:31,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:53:31,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-03 03:53:31,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-03 03:53:31,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-03 03:53:31,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 501 [2021-11-03 03:53:31,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:53:31,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-03 03:53:31,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:53:31,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:31,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:31,174 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:31,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:53:31,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:31,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:31,188 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:31,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:53:31,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 129 [2021-11-03 03:53:31,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 03:53:31,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 03:53:31,292 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:31,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:53:31,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,353 INFO L388 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 0 case distinctions, treesize of input 101 treesize of output 118 [2021-11-03 03:53:31,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:53:31,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:53:31,387 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:31,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,455 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:53:31,482 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.5 percent of original size [2021-11-03 03:53:31,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 683 [2021-11-03 03:53:31,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:53:31,493 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:683 [2021-11-03 03:53:31,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,580 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:53:31,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:31,584 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:53:31,585 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:31,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:31,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:53:31,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,591 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:53:31,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:31,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:31,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:53:31,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:53:31,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:31,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:53:31,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:31,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:31,611 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:31,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:53:31,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:31,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:31,625 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:31,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:31,635 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:53:31,635 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:53:31,642 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:53:31,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:53:31,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-03 03:53:31,652 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-03 03:53:31,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:53:31,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-03 03:53:31,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:53:31,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,755 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:31,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:31,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:31,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:31,775 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:31,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:31,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:31,823 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:53:32,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:53:32,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:53:32,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2021-11-03 03:53:32,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925948832] [2021-11-03 03:53:32,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-03 03:53:32,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:53:32,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-03 03:53:32,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2021-11-03 03:53:32,960 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:33,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:53:33,120 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-11-03 03:53:33,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-03 03:53:33,120 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-03 03:53:33,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:53:33,121 INFO L225 Difference]: With dead ends: 48 [2021-11-03 03:53:33,121 INFO L226 Difference]: Without dead ends: 30 [2021-11-03 03:53:33,122 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=158, Invalid=654, Unknown=0, NotChecked=0, Total=812 [2021-11-03 03:53:33,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-03 03:53:33,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-11-03 03:53:33,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2021-11-03 03:53:33,129 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2021-11-03 03:53:33,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:53:33,129 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2021-11-03 03:53:33,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2021-11-03 03:53:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-03 03:53:33,130 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:53:33,130 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1] [2021-11-03 03:53:33,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-03 03:53:33,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable311 [2021-11-03 03:53:33,331 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:53:33,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:53:33,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1547485083, now seen corresponding path program 10 times [2021-11-03 03:53:33,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:53:33,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397912588] [2021-11-03 03:53:33,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:53:33,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:53:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:53:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:33,601 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:53:33,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397912588] [2021-11-03 03:53:33,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397912588] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:53:33,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072489825] [2021-11-03 03:53:33,602 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 03:53:33,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:53:33,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:53:33,603 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:53:33,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-03 03:53:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:53:33,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-03 03:53:33,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:53:34,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-03 03:53:34,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-11-03 03:53:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:34,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:53:34,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2021-11-03 03:53:34,678 INFO L388 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 32 treesize of output 28 [2021-11-03 03:53:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:34,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072489825] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:53:34,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [368310627] [2021-11-03 03:53:34,898 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:53:34,898 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:53:34,898 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:53:34,898 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:53:34,898 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:53:34,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:34,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:34,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:34,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:34,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:34,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:34,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:34,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:53:34,911 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_45|], 21=[|v_#valid_46|]} [2021-11-03 03:53:34,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:53:34,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:34,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:34,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:34,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:34,927 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:34,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:34,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:34,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:53:34,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:34,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:34,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:34,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:34,956 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:34,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:34,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:34,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:34,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:34,964 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:34,964 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:53:34,970 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:53:34,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:34,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:34,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:34,972 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:34,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:34,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:53:34,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:53:34,979 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_46|], 15=[|v_#valid_47|]} [2021-11-03 03:53:34,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:34,999 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:53:34,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:53:35,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:35,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:35,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:35,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:53:35,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:35,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:35,030 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:35,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,037 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:35,043 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:35,043 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:53:35,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:35,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:35,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:35,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:35,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:35,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:53:35,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 03:53:35,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:53:35,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:35,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:35,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:35,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:53:35,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:35,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:35,122 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:35,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,133 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-03 03:53:35,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 03:53:35,137 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:35,137 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-03 03:53:35,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:35,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:35,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-03 03:53:35,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-03 03:53:35,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-03 03:53:35,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 03:53:35,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:35,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:35,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:35,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:53:35,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-11-03 03:53:35,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 03:53:35,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-03 03:53:35,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,392 INFO L388 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 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-03 03:53:35,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:53:35,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:53:35,399 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:35,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-03 03:53:35,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:53:35,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:53:35,568 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:35,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:53:35,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:35,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:35,678 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:35,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:53:35,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:35,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:35,697 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:35,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,744 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:53:35,759 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-03 03:53:35,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-03 03:53:35,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:53:35,765 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-03 03:53:35,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,819 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:53:35,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:35,825 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:53:35,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,827 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:35,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:35,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:53:35,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,831 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:53:35,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:35,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:35,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:53:35,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:53:35,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:35,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:53:35,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:35,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:35,851 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:35,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,856 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:53:35,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:35,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:35,866 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:35,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:35,876 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:53:35,877 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:53:35,884 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:53:35,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:53:35,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-03 03:53:35,893 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-03 03:53:35,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:53:35,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-03 03:53:35,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:35,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:53:35,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:35,995 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:35,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:35,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:36,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:36,017 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:36,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:36,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:36,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:36,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:36,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:36,077 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:53:37,311 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:53:37,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:53:37,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 37 [2021-11-03 03:53:37,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405855978] [2021-11-03 03:53:37,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-03 03:53:37,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:53:37,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-03 03:53:37,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1671, Unknown=0, NotChecked=0, Total=1806 [2021-11-03 03:53:37,314 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 37 states, 37 states have (on average 1.7297297297297298) internal successors, (64), 37 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:38,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:53:38,081 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-11-03 03:53:38,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-03 03:53:38,083 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.7297297297297298) internal successors, (64), 37 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-03 03:53:38,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:53:38,084 INFO L225 Difference]: With dead ends: 48 [2021-11-03 03:53:38,084 INFO L226 Difference]: Without dead ends: 46 [2021-11-03 03:53:38,085 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=239, Invalid=2623, Unknown=0, NotChecked=0, Total=2862 [2021-11-03 03:53:38,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-03 03:53:38,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 28. [2021-11-03 03:53:38,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2021-11-03 03:53:38,106 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 23 [2021-11-03 03:53:38,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:53:38,107 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2021-11-03 03:53:38,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.7297297297297298) internal successors, (64), 37 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:53:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-11-03 03:53:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-03 03:53:38,109 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:53:38,109 INFO L513 BasicCegarLoop]: trace histogram [6, 5, 4, 4, 1, 1, 1, 1, 1] [2021-11-03 03:53:38,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-03 03:53:38,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable350,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:53:38,323 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:53:38,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:53:38,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1369531983, now seen corresponding path program 11 times [2021-11-03 03:53:38,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:53:38,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080263368] [2021-11-03 03:53:38,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:53:38,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:53:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:53:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:38,660 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:53:38,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080263368] [2021-11-03 03:53:38,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080263368] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:53:38,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827564824] [2021-11-03 03:53:38,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 03:53:38,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:53:38,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:53:38,662 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:53:38,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-03 03:53:39,113 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-03 03:53:39,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:53:39,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-03 03:53:39,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:53:39,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:53:39,437 INFO L354 Elim1Store]: treesize reduction 169, result has 18.0 percent of original size [2021-11-03 03:53:39,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 81 [2021-11-03 03:53:39,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:39,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2021-11-03 03:53:39,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:39,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 30 [2021-11-03 03:53:40,417 INFO L354 Elim1Store]: treesize reduction 48, result has 5.9 percent of original size [2021-11-03 03:53:40,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 45 [2021-11-03 03:53:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:40,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:53:41,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2021-11-03 03:53:41,962 INFO L388 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 108 treesize of output 102 [2021-11-03 03:53:42,339 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:53:42,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827564824] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:53:42,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2002528911] [2021-11-03 03:53:42,341 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:53:42,341 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:53:42,342 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:53:42,342 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:53:42,342 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:53:42,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:42,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:42,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:53:42,357 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_48|], 21=[|v_#valid_49|]} [2021-11-03 03:53:42,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:53:42,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:42,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:42,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:42,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:42,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:53:42,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:42,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:53:42,399 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:42,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:42,403 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:42,407 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:42,407 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:53:42,413 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:53:42,414 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:53:42,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:42,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:53:42,422 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_49|], 15=[|v_#valid_50|]} [2021-11-03 03:53:42,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,438 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:53:42,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:53:42,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:42,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:42,441 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:42,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:42,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:53:42,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:42,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:53:42,462 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:42,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:42,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:42,470 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:42,471 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:53:42,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:42,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:42,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:42,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:42,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:53:42,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:53:42,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 03:53:42,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:53:42,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:42,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:42,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:42,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:53:42,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:42,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:42,550 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:42,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:42,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,557 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-03 03:53:42,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 03:53:42,559 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:53:42,559 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-03 03:53:42,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:42,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:42,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:42,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:42,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:53:42,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-03 03:53:42,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:42,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 448 [2021-11-03 03:53:42,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-11-03 03:53:42,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,696 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:42,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-03 03:53:42,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 03:53:42,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 436 [2021-11-03 03:53:42,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 877 [2021-11-03 03:53:42,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:42,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 03:53:42,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-03 03:53:42,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-03 03:53:42,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:53:42,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:53:42,891 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:42,990 INFO L388 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 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-03 03:53:42,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:53:42,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:42,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:53:42,996 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:43,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:53:43,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:43,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:43,082 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:43,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:53:43,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:43,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:53:43,095 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:43,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,138 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:53:43,157 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-03 03:53:43,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-03 03:53:43,163 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:53:43,164 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-03 03:53:43,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,223 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:53:43,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:43,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:43,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:43,227 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:53:43,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:43,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,229 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:43,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:53:43,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:43,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:53:43,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:53:43,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:43,232 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:53:43,232 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:53:43,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:53:43,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:53:43,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:53:43,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:53:43,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:43,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:53:43,256 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:43,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,259 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:53:43,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:53:43,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:43,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:53:43,272 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:53:43,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:53:43,278 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:53:43,278 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:53:43,283 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:53:43,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:53:43,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,302 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-11-03 03:53:43,305 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-03 03:53:43,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:53:43,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,335 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:43,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:43,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:53:43,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:53:43,353 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:53:43,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:53:43,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:53:43,393 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:53:44,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:53:44,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:53:44,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 40 [2021-11-03 03:53:44,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161841599] [2021-11-03 03:53:44,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-11-03 03:53:44,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:53:44,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-11-03 03:53:44,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1828, Unknown=1, NotChecked=0, Total=2070 [2021-11-03 03:53:44,846 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 40 states, 40 states have (on average 1.675) internal successors, (67), 40 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:20,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:20,757 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2021-11-03 03:54:20,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-03 03:54:20,758 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.675) internal successors, (67), 40 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-03 03:54:20,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:20,758 INFO L225 Difference]: With dead ends: 82 [2021-11-03 03:54:20,758 INFO L226 Difference]: Without dead ends: 27 [2021-11-03 03:54:20,763 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3014 ImplicationChecksByTransitivity, 33.0s TimeCoverageRelationStatistics Valid=1583, Invalid=10383, Unknown=24, NotChecked=0, Total=11990 [2021-11-03 03:54:20,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-03 03:54:20,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-03 03:54:20,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:20,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2021-11-03 03:54:20,776 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 24 [2021-11-03 03:54:20,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:20,776 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2021-11-03 03:54:20,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.675) internal successors, (67), 40 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:20,777 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2021-11-03 03:54:20,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 03:54:20,778 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:20,778 INFO L513 BasicCegarLoop]: trace histogram [8, 5, 4, 4, 1, 1, 1, 1, 1] [2021-11-03 03:54:20,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:20,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable388 [2021-11-03 03:54:20,991 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:54:20,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:20,991 INFO L85 PathProgramCache]: Analyzing trace with hash -242503951, now seen corresponding path program 12 times [2021-11-03 03:54:20,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:54:20,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649105487] [2021-11-03 03:54:20,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:20,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:54:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:21,438 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:54:21,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649105487] [2021-11-03 03:54:21,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649105487] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:54:21,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422487836] [2021-11-03 03:54:21,439 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 03:54:21,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:54:21,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:54:21,447 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:54:21,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-03 03:54:21,877 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 03:54:21,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:54:21,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-03 03:54:21,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:22,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-03 03:54:22,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2021-11-03 03:54:22,254 INFO L354 Elim1Store]: treesize reduction 84, result has 20.8 percent of original size [2021-11-03 03:54:22,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 50 [2021-11-03 03:54:22,683 INFO L354 Elim1Store]: treesize reduction 415, result has 18.9 percent of original size [2021-11-03 03:54:22,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 101 treesize of output 158 [2021-11-03 03:54:22,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,761 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:54:22,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 117 [2021-11-03 03:54:22,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:22,946 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:54:22,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 60 [2021-11-03 03:54:24,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:24,385 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:54:24,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 160 treesize of output 134 [2021-11-03 03:54:24,587 INFO L354 Elim1Store]: treesize reduction 454, result has 14.7 percent of original size [2021-11-03 03:54:24,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 172 treesize of output 147 [2021-11-03 03:54:34,525 INFO L354 Elim1Store]: treesize reduction 212, result has 12.0 percent of original size [2021-11-03 03:54:34,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 150 treesize of output 100 [2021-11-03 03:54:34,606 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:34,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:59,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 67 [2021-11-03 03:54:59,475 INFO L388 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 3229 treesize of output 3221 [2021-11-03 03:55:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:03,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422487836] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:55:03,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [168078071] [2021-11-03 03:55:03,326 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:55:03,327 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:55:03,327 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:55:03,327 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:55:03,327 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:55:03,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:55:03,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:55:03,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:55:03,345 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_51|], 21=[|v_#valid_52|]} [2021-11-03 03:55:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:55:03,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:55:03,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:55:03,354 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:03,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:55:03,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:55:03,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:55:03,372 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:03,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:55:03,376 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,376 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:55:03,380 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:55:03,380 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:55:03,385 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:55:03,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:55:03,389 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_52|], 15=[|v_#valid_53|]} [2021-11-03 03:55:03,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,404 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:55:03,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:55:03,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:55:03,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:55:03,416 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:03,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:55:03,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:55:03,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:55:03,435 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:03,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:55:03,441 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,442 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:55:03,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:55:03,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:55:03,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:55:03,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:55:03,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:55:03,452 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:55:03,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 03:55:03,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:55:03,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:55:03,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:55:03,552 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:55:03,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:55:03,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:55:03,560 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:03,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,566 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-03 03:55:03,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 03:55:03,568 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,568 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-03 03:55:03,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:03,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:03,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:03,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:55:03,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:55:03,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-03 03:55:03,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-03 03:55:03,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-03 03:55:03,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 03:55:03,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:55:03,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:55:03,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:55:03,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 03:55:03,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-11-03 03:55:03,680 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:03,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-03 03:55:03,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-03 03:55:03,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:55:03,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:55:03,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:55:03,787 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,797 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:55:03,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:55:03,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:55:03,803 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,894 INFO L388 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 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-03 03:55:03,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:55:03,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 03:55:03,899 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:03,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-03 03:55:03,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:55:03,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:03,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 03:55:03,949 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:03,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:03,983 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:55:03,995 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-03 03:55:03,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-03 03:55:04,000 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:55:04,000 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-03 03:55:04,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,047 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:55:04,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:04,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,049 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:04,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:55:04,051 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:55:04,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:04,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:04,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:55:04,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:04,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:55:04,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:55:04,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:04,057 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:55:04,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:55:04,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:55:04,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:55:04,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:55:04,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:55:04,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:55:04,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:55:04,067 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:04,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:55:04,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:55:04,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:55:04,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:55:04,081 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:55:04,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:55:04,092 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:55:04,092 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:55:04,096 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:55:04,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:55:04,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,112 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-11-03 03:55:04,114 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-03 03:55:04,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:55:04,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,135 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:55:04,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:55:04,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:55:04,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:55:04,147 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:55:04,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:55:04,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:04,171 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:55:05,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:55:05,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:55:05,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 46 [2021-11-03 03:55:05,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934089951] [2021-11-03 03:55:05,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2021-11-03 03:55:05,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:55:05,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-11-03 03:55:05,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=2459, Unknown=5, NotChecked=0, Total=2652 [2021-11-03 03:55:05,456 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 46 states, 46 states have (on average 1.5869565217391304) internal successors, (73), 46 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:20,925 WARN L207 SmtUtils]: Spent 12.94 s on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2021-11-03 03:56:41,680 WARN L207 SmtUtils]: Spent 19.10 s on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-11-03 03:56:43,585 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse24 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base))) (let ((.cse20 (select .cse24 (+ c_ULTIMATE.start_main_~a~0.offset 16))) (.cse21 (= 2 c_ULTIMATE.start_main_~low~0)) (.cse22 (<= 3 c_ULTIMATE.start_main_~val2~0))) (and (<= c_ULTIMATE.start_main_~i~0 1) (exists ((v_ULTIMATE.start_main_~i~0_313 Int) (v_ULTIMATE.start_main_~i~0_314 Int) (v_ULTIMATE.start_main_~i~0_315 Int)) (let ((.cse9 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse10 (* v_ULTIMATE.start_main_~i~0_315 4))) (let ((.cse0 (+ v_ULTIMATE.start_main_~i~0_315 1)) (.cse13 (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset .cse10)))) (and (< v_ULTIMATE.start_main_~i~0_315 c_~SIZE~0) (<= (+ v_ULTIMATE.start_main_~i~0_314 1) v_ULTIMATE.start_main_~i~0_315) (<= c_ULTIMATE.start_main_~i~0 .cse0) (<= (+ v_ULTIMATE.start_main_~i~0_313 1) v_ULTIMATE.start_main_~i~0_314) (<= 5 v_ULTIMATE.start_main_~i~0_313) (let ((.cse11 (* v_ULTIMATE.start_main_~i~0_314 4)) (.cse12 (* 4 v_ULTIMATE.start_main_~i~0_314)) (.cse14 (* v_ULTIMATE.start_main_~i~0_313 4))) (let ((.cse2 (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset .cse14 4))) (.cse4 (= (+ (* 4 v_ULTIMATE.start_main_~i~0_313) 4) .cse12)) (.cse5 (= (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset .cse11)) .cse13)) (.cse6 (= (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset .cse14)) .cse13)) (.cse7 (= (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset 16)) .cse13)) (.cse1 (= (* 4 v_ULTIMATE.start_main_~i~0_315) (+ .cse12 4))) (.cse3 (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset .cse11 4)))) (or (and (or .cse1 (= .cse2 .cse3) .cse4) .cse5 .cse6 (<= c_~SIZE~0 .cse0) .cse7) (let ((.cse8 (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset .cse10 4)))) (and (or (= .cse8 .cse2) .cse4) .cse5 .cse6 .cse7 (or .cse1 (= .cse8 .cse3))))))) (<= 3 .cse13))))) (exists ((v_ULTIMATE.start_main_~i~0_313 Int) (v_ULTIMATE.start_main_~i~0_314 Int) (v_ULTIMATE.start_main_~i~0_315 Int)) (let ((.cse16 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base))) (let ((.cse18 (* v_ULTIMATE.start_main_~i~0_314 4)) (.cse17 (* v_ULTIMATE.start_main_~i~0_313 4)) (.cse19 (select .cse16 (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_315 4))))) (and (<= (+ v_ULTIMATE.start_main_~i~0_314 1) v_ULTIMATE.start_main_~i~0_315) (<= (+ v_ULTIMATE.start_main_~i~0_313 1) v_ULTIMATE.start_main_~i~0_314) (<= 5 v_ULTIMATE.start_main_~i~0_313) (let ((.cse15 (* 4 v_ULTIMATE.start_main_~i~0_314))) (or (= (* 4 v_ULTIMATE.start_main_~i~0_315) (+ .cse15 4)) (= (select .cse16 (+ c_ULTIMATE.start_main_~a~0.offset .cse17 4)) (select .cse16 (+ c_ULTIMATE.start_main_~a~0.offset .cse18 4))) (= (+ (* 4 v_ULTIMATE.start_main_~i~0_313) 4) .cse15))) (= (select .cse16 (+ c_ULTIMATE.start_main_~a~0.offset .cse18)) .cse19) (= (select .cse16 (+ c_ULTIMATE.start_main_~a~0.offset .cse17)) .cse19) (<= 3 .cse19) (= (select .cse16 (+ c_ULTIMATE.start_main_~a~0.offset 16)) .cse19))))) (<= 1 c_ULTIMATE.start_main_~i~0) (= c_ULTIMATE.start_main_~i~0 1) (or (and (<= 3 .cse20) .cse21) (<= (+ c_ULTIMATE.start_main_~i~0 1) c_~SIZE~0)) .cse21 (<= c_ULTIMATE.start_main_~low~0 2) (or (<= c_~SIZE~0 c_ULTIMATE.start_main_~i~0) (and (= c_ULTIMATE.start_main_~val2~0 .cse20) .cse21 .cse22 (not (= (* 4 c_ULTIMATE.start_main_~i~0) 16)))) (forall ((v_ULTIMATE.start_main_~i~0_327 Int)) (or (< (+ v_ULTIMATE.start_main_~i~0_327 1) c_~SIZE~0) (< v_ULTIMATE.start_main_~i~0_327 (+ c_ULTIMATE.start_main_~i~0 1)) (<= c_~SIZE~0 v_ULTIMATE.start_main_~i~0_327) (<= c_ULTIMATE.start_main_~low~0 (select (store (let ((.cse23 (* c_ULTIMATE.start_main_~i~0 4))) (store (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 4 .cse23) c_ULTIMATE.start_main_~val1~0) (+ c_ULTIMATE.start_main_~a~0.offset .cse23) c_ULTIMATE.start_main_~val2~0)) (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_327 4)) c_ULTIMATE.start_main_~val2~0) (+ c_ULTIMATE.start_main_~a~0.offset 16))))) (<= 3 (select .cse24 (+ c_ULTIMATE.start_main_~a~0.offset 12 (* c_ULTIMATE.start_main_~i~0 4)))) .cse22))) is different from false [2021-11-03 03:56:46,525 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 c_ULTIMATE.start___VERIFIER_assert_~cond) (or (and (<= 3 (select (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 16))) (= 2 c_ULTIMATE.start_main_~low~0)) (<= (+ c_ULTIMATE.start_main_~i~0 1) c_~SIZE~0)) (forall ((ULTIMATE.start_main_~val1~0 Int) (v_ULTIMATE.start_main_~i~0_328 Int) (v_ULTIMATE.start_main_~i~0_327 Int)) (or (< v_ULTIMATE.start_main_~i~0_327 (+ v_ULTIMATE.start_main_~i~0_328 1)) (<= c_ULTIMATE.start_main_~low~0 (select (store (let ((.cse1 (* v_ULTIMATE.start_main_~i~0_328 4))) (store (store (let ((.cse0 (* c_ULTIMATE.start_main_~i~0 4))) (store (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 4 .cse0) ULTIMATE.start_main_~val1~0) (+ c_ULTIMATE.start_main_~a~0.offset .cse0) c_ULTIMATE.start_main_~val2~0)) (+ c_ULTIMATE.start_main_~a~0.offset 4 .cse1) ULTIMATE.start_main_~val1~0) (+ c_ULTIMATE.start_main_~a~0.offset .cse1) c_ULTIMATE.start_main_~val2~0)) (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_327 4)) c_ULTIMATE.start_main_~val2~0) (+ c_ULTIMATE.start_main_~a~0.offset 16))) (< v_ULTIMATE.start_main_~i~0_328 (+ c_ULTIMATE.start_main_~i~0 1))))) is different from false [2021-11-03 03:56:46,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:46,619 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2021-11-03 03:56:46,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-03 03:56:46,619 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 1.5869565217391304) internal successors, (73), 46 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-03 03:56:46,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:46,620 INFO L225 Difference]: With dead ends: 38 [2021-11-03 03:56:46,620 INFO L226 Difference]: Without dead ends: 36 [2021-11-03 03:56:46,622 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 126.2s TimeCoverageRelationStatistics Valid=370, Invalid=4148, Unknown=46, NotChecked=266, Total=4830 [2021-11-03 03:56:46,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-11-03 03:56:46,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2021-11-03 03:56:46,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 29 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-11-03 03:56:46,632 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 26 [2021-11-03 03:56:46,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:46,632 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-11-03 03:56:46,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 1.5869565217391304) internal successors, (73), 46 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:46,632 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-11-03 03:56:46,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 03:56:46,633 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:46,633 INFO L513 BasicCegarLoop]: trace histogram [8, 6, 5, 5, 1, 1, 1, 1, 1] [2021-11-03 03:56:46,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-03 03:56:46,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable417 [2021-11-03 03:56:46,839 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:46,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:46,839 INFO L85 PathProgramCache]: Analyzing trace with hash -294935293, now seen corresponding path program 13 times [2021-11-03 03:56:46,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:56:46,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164835533] [2021-11-03 03:56:46,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:46,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:56:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:56:47,259 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:56:47,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164835533] [2021-11-03 03:56:47,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164835533] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:56:47,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632190886] [2021-11-03 03:56:47,259 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 03:56:47,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:56:47,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:56:47,260 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:56:47,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-03 03:56:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:47,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-03 03:56:47,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:47,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-03 03:56:48,022 INFO L354 Elim1Store]: treesize reduction 139, result has 18.2 percent of original size [2021-11-03 03:56:48,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 75 [2021-11-03 03:56:48,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:48,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:48,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:48,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 16 [2021-11-03 03:56:48,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:48,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2021-11-03 03:56:48,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:48,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:48,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:48,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:48,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:48,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:48,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 51 [2021-11-03 03:56:48,396 INFO L354 Elim1Store]: treesize reduction 230, result has 19.3 percent of original size [2021-11-03 03:56:48,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 88 treesize of output 92 [2021-11-03 03:56:50,641 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-03 03:56:50,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 42 [2021-11-03 03:56:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:56:50,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:56:57,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 47 [2021-11-03 03:56:57,082 INFO L388 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 396 treesize of output 392 [2021-11-03 03:56:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:56:57,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632190886] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:56:57,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1764680451] [2021-11-03 03:56:57,555 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-03 03:56:57,555 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:56:57,555 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:56:57,555 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:56:57,556 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:56:57,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:56:57,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:56:57,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-03 03:56:57,568 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_54|], 21=[|v_#valid_55|]} [2021-11-03 03:56:57,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:56:57,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:56:57,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:56:57,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:57,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:57,595 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:56:57,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:56:57,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:56:57,621 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:57,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:57,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:56:57,628 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:56:57,628 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-03 03:56:57,633 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-03 03:56:57,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 03:56:57,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:56:57,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 03:56:57,641 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_55|], 15=[|v_#valid_56|]} [2021-11-03 03:56:57,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,665 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:56:57,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 03:56:57,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:56:57,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:56:57,667 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:57,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:57,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-03 03:56:57,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:56:57,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:56:57,705 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:57,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:57,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-03 03:56:57,711 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:56:57,711 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-03 03:56:57,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,715 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 03:56:57,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 03:56:57,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:56:57,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-03 03:56:57,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-03 03:56:57,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-03 03:56:57,739 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.7 percent of original size 228 [2021-11-03 03:56:57,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 109 [2021-11-03 03:56:57,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:56:57,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:56:57,781 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:57,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:57,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,787 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:56:57,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 03:56:57,789 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:56:57,789 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:208, output treesize:205 [2021-11-03 03:56:57,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:57,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:57,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:57,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:56:57,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:56:57,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-03 03:56:57,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:56:57,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:56:57,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 423 [2021-11-03 03:56:57,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:56:57,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:56:57,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 435 [2021-11-03 03:56:57,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-03 03:56:57,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 851 [2021-11-03 03:56:57,892 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:57,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-03 03:56:57,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-03 03:56:57,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:56:57,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,989 INFO L388 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 0 case distinctions, treesize of input 101 treesize of output 118 [2021-11-03 03:56:57,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:56:57,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:57,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 03:56:57,993 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:58,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-03 03:56:58,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:56:58,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 03:56:58,089 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:58,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:56:58,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:56:58,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:56:58,100 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:58,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:56:58,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 129 [2021-11-03 03:56:58,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 03:56:58,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 03:56:58,154 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:58,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,187 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-03 03:56:58,199 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.5 percent of original size [2021-11-03 03:56:58,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 683 [2021-11-03 03:56:58,204 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-03 03:56:58,204 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:683 [2021-11-03 03:56:58,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,292 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-03 03:56:58,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:58,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:58,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:56:58,296 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-03 03:56:58,297 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:58,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:58,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 03:56:58,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:58,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:56:58,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:56:58,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:58,308 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-03 03:56:58,308 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:56:58,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 03:56:58,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 03:56:58,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 03:56:58,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:58,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-03 03:56:58,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:56:58,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 03:56:58,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:58,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:56:58,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:56:58,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:56:58,336 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:56:58,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-03 03:56:58,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:56:58,342 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-03 03:56:58,347 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-03 03:56:58,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 03:56:58,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-03 03:56:58,358 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-03 03:56:58,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:56:58,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-03 03:56:58,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:56:58,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,439 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:56:58,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:56:58,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:58,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:56:58,463 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-03 03:56:58,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 03:56:58,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:56:58,494 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:57:00,163 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:57:00,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:57:00,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 49 [2021-11-03 03:57:00,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940054607] [2021-11-03 03:57:00,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-03 03:57:00,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:57:00,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-03 03:57:00,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=2783, Unknown=2, NotChecked=0, Total=2970 [2021-11-03 03:57:00,166 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 49 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 49 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:35,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:35,554 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2021-11-03 03:57:35,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-03 03:57:35,554 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 49 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-03 03:57:35,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:35,555 INFO L225 Difference]: With dead ends: 46 [2021-11-03 03:57:35,555 INFO L226 Difference]: Without dead ends: 44 [2021-11-03 03:57:35,557 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 43.5s TimeCoverageRelationStatistics Valid=519, Invalid=5462, Unknown=25, NotChecked=0, Total=6006 [2021-11-03 03:57:35,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-03 03:57:35,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 33. [2021-11-03 03:57:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:35,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2021-11-03 03:57:35,566 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 29 [2021-11-03 03:57:35,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:35,566 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2021-11-03 03:57:35,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 49 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:35,566 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2021-11-03 03:57:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 03:57:35,567 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:35,567 INFO L513 BasicCegarLoop]: trace histogram [8, 7, 6, 6, 1, 1, 1, 1, 1] [2021-11-03 03:57:35,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-03 03:57:35,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable446,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:57:35,767 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:57:35,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:35,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1091050929, now seen corresponding path program 14 times [2021-11-03 03:57:35,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:57:35,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344736513] [2021-11-03 03:57:35,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:35,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:57:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:36,248 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:57:36,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344736513] [2021-11-03 03:57:36,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344736513] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:57:36,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360628526] [2021-11-03 03:57:36,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 03:57:36,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:57:36,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:57:36,252 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:57:36,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc1fcc1-3585-4796-aad4-07589028fe1b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-03 03:57:36,974 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-11-03 03:57:36,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:57:36,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-03 03:57:36,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:57:37,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 03:57:37,150 INFO L354 Elim1Store]: treesize reduction 171, result has 17.4 percent of original size [2021-11-03 03:57:37,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 78 [2021-11-03 03:57:37,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-03 03:57:37,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 22 [2021-11-03 03:57:37,434 INFO L354 Elim1Store]: treesize reduction 206, result has 16.9 percent of original size [2021-11-03 03:57:37,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 66 treesize of output 84 [2021-11-03 03:57:37,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2021-11-03 03:57:37,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 17 [2021-11-03 03:57:37,779 INFO L354 Elim1Store]: treesize reduction 514, result has 10.8 percent of original size [2021-11-03 03:57:37,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 114 treesize of output 128 [2021-11-03 03:57:37,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 32 [2021-11-03 03:57:37,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:37,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 38 [2021-11-03 03:57:38,223 INFO L354 Elim1Store]: treesize reduction 454, result has 14.7 percent of original size [2021-11-03 03:57:38,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 124 treesize of output 144 [2021-11-03 03:57:38,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 41 [2021-11-03 03:57:38,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 50 [2021-11-03 03:57:38,786 INFO L354 Elim1Store]: treesize reduction 596, result has 13.9 percent of original size [2021-11-03 03:57:38,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 142 treesize of output 168 [2021-11-03 03:57:38,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 50 [2021-11-03 03:57:38,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:38,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 62 [2021-11-03 03:57:39,584 INFO L354 Elim1Store]: treesize reduction 997, result has 10.4 percent of original size [2021-11-03 03:57:39,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 168 treesize of output 200 [2021-11-03 03:57:39,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 62 [2021-11-03 03:57:39,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:39,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 71 [2021-11-03 03:57:40,310 INFO L354 Elim1Store]: treesize reduction 916, result has 12.6 percent of original size [2021-11-03 03:57:40,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 43 case distinctions, treesize of input 156 treesize of output 186 [2021-11-03 03:57:40,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 80 [2021-11-03 03:57:40,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:57:40,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 99 [2021-11-03 03:57:41,892 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-11-03 03:57:41,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 143 treesize of output 49 [2021-11-03 03:57:41,961 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:41,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:57:43,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 118 [2021-11-03 03:58:03,248 INFO L388 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 -67553994410557464 treesize of output -72057594037927960