./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_two_index_03.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_two_index_03.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF --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 52914d7c178662889d0d1af19e507e51f5067aa3fe7ebdb303f414406fa46b67 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:51:19,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:51:19,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:51:19,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:51:19,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:51:19,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:51:19,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:51:19,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:51:19,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:51:19,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:51:19,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:51:19,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:51:19,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:51:19,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:51:19,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:51:19,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:51:19,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:51:19,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:51:19,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:51:19,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:51:19,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:51:19,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:51:19,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:51:19,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:51:19,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:51:19,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:51:19,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:51:19,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:51:19,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:51:19,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:51:19,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:51:19,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:51:19,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:51:19,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:51:19,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:51:19,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:51:19,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:51:19,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:51:19,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:51:19,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:51:19,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:51:19,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:51:19,214 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:51:19,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:51:19,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:51:19,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:51:19,220 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:51:19,221 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:51:19,221 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:51:19,222 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:51:19,222 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:51:19,222 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:51:19,228 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:51:19,228 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:51:19,229 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:51:19,229 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:51:19,229 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:51:19,230 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:51:19,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:51:19,231 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:51:19,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:51:19,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:51:19,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:51:19,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:51:19,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:51:19,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:51:19,233 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:51:19,234 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:51:19,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:51:19,234 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:51:19,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:51:19,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:51:19,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:51:19,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:51:19,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:51:19,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:51:19,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:51:19,240 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:51:19,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:51:19,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:51:19,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:51:19,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:51:19,242 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_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52914d7c178662889d0d1af19e507e51f5067aa3fe7ebdb303f414406fa46b67 [2021-11-12 23:51:19,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:51:19,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:51:19,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:51:19,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:51:19,640 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:51:19,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-examples/standard_two_index_03.i [2021-11-12 23:51:19,764 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/data/f1ca92ecc/b8aa91d8ac3b4851ac38d5f54e7228b1/FLAGa007e13c1 [2021-11-12 23:51:20,320 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:51:20,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/sv-benchmarks/c/array-examples/standard_two_index_03.i [2021-11-12 23:51:20,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/data/f1ca92ecc/b8aa91d8ac3b4851ac38d5f54e7228b1/FLAGa007e13c1 [2021-11-12 23:51:20,651 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/data/f1ca92ecc/b8aa91d8ac3b4851ac38d5f54e7228b1 [2021-11-12 23:51:20,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:51:20,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:51:20,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:51:20,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:51:20,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:51:20,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:51:20" (1/1) ... [2021-11-12 23:51:20,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c7e467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20, skipping insertion in model container [2021-11-12 23:51:20,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:51:20" (1/1) ... [2021-11-12 23:51:20,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:51:20,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:51:20,909 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_d8576ffa-fb46-4e93-86e1-d459064c8e55/sv-benchmarks/c/array-examples/standard_two_index_03.i[814,827] [2021-11-12 23:51:20,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:51:20,934 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:51:20,949 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_d8576ffa-fb46-4e93-86e1-d459064c8e55/sv-benchmarks/c/array-examples/standard_two_index_03.i[814,827] [2021-11-12 23:51:20,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:51:20,973 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:51:20,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20 WrapperNode [2021-11-12 23:51:20,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:51:20,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:51:20,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:51:20,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:51:20,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20" (1/1) ... [2021-11-12 23:51:21,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20" (1/1) ... [2021-11-12 23:51:21,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:51:21,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:51:21,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:51:21,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:51:21,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20" (1/1) ... [2021-11-12 23:51:21,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20" (1/1) ... [2021-11-12 23:51:21,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20" (1/1) ... [2021-11-12 23:51:21,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20" (1/1) ... [2021-11-12 23:51:21,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20" (1/1) ... [2021-11-12 23:51:21,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20" (1/1) ... [2021-11-12 23:51:21,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20" (1/1) ... [2021-11-12 23:51:21,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:51:21,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:51:21,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:51:21,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:51:21,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20" (1/1) ... [2021-11-12 23:51:21,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:51:21,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:51:21,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:51:21,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:51:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:51:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:51:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:51:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:51:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:51:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:51:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:51:21,387 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:51:21,388 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-12 23:51:21,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:51:21 BoogieIcfgContainer [2021-11-12 23:51:21,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:51:21,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:51:21,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:51:21,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:51:21,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:51:20" (1/3) ... [2021-11-12 23:51:21,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f20cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:51:21, skipping insertion in model container [2021-11-12 23:51:21,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:51:20" (2/3) ... [2021-11-12 23:51:21,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f20cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:51:21, skipping insertion in model container [2021-11-12 23:51:21,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:51:21" (3/3) ... [2021-11-12 23:51:21,401 INFO L111 eAbstractionObserver]: Analyzing ICFG standard_two_index_03.i [2021-11-12 23:51:21,407 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:51:21,408 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:51:21,467 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:51:21,477 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 [2021-11-12 23:51:21,477 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:51:21,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 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) [2021-11-12 23:51:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-12 23:51:21,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:21,502 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-12 23:51:21,502 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:51:21,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:21,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1745982706, now seen corresponding path program 1 times [2021-11-12 23:51:21,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:21,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049137518] [2021-11-12 23:51:21,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:21,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:21,783 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:21,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049137518] [2021-11-12 23:51:21,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049137518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:51:21,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:51:21,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:51:21,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069361939] [2021-11-12 23:51:21,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:51:21,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:51:21,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:51:21,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:51:21,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:51:21,867 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 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) [2021-11-12 23:51:21,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:51:21,950 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2021-11-12 23:51:21,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:51:21,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 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 [2021-11-12 23:51:21,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:51:21,980 INFO L225 Difference]: With dead ends: 17 [2021-11-12 23:51:21,981 INFO L226 Difference]: Without dead ends: 9 [2021-11-12 23:51:21,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:51:21,988 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.73ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.46ms IncrementalHoareTripleChecker+Time [2021-11-12 23:51:21,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 12 Unknown, 0 Unchecked, 0.73ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 62.46ms Time] [2021-11-12 23:51:22,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-12 23:51:22,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-12 23:51:22,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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) [2021-11-12 23:51:22,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-12 23:51:22,025 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 6 [2021-11-12 23:51:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:51:22,025 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-12 23:51:22,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 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) [2021-11-12 23:51:22,026 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-12 23:51:22,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:51:22,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:22,027 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:51:22,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:51:22,028 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:51:22,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:22,029 INFO L85 PathProgramCache]: Analyzing trace with hash 276578033, now seen corresponding path program 1 times [2021-11-12 23:51:22,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:22,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830804750] [2021-11-12 23:51:22,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:22,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:51:22,092 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:22,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830804750] [2021-11-12 23:51:22,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830804750] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:51:22,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363450062] [2021-11-12 23:51:22,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:22,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:22,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:51:22,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:51:22,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:51:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:22,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:51:22,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:51:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:51:22,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:51:22,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:51:22,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363450062] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:51:22,259 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:51:22,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 5 [2021-11-12 23:51:22,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749872045] [2021-11-12 23:51:22,261 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:51:22,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:51:22,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:51:22,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:51:22,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:51:22,264 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-11-12 23:51:22,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:51:22,310 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-11-12 23:51:22,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:51:22,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 [2021-11-12 23:51:22,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:51:22,312 INFO L225 Difference]: With dead ends: 24 [2021-11-12 23:51:22,313 INFO L226 Difference]: Without dead ends: 18 [2021-11-12 23:51:22,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:51:22,316 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.02ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.55ms IncrementalHoareTripleChecker+Time [2021-11-12 23:51:22,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 6 Invalid, 23 Unknown, 0 Unchecked, 1.02ms Time], IncrementalHoareTripleChecker [9 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 35.55ms Time] [2021-11-12 23:51:22,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-12 23:51:22,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 12. [2021-11-12 23:51:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 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) [2021-11-12 23:51:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2021-11-12 23:51:22,323 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 7 [2021-11-12 23:51:22,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:51:22,324 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-11-12 23:51:22,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-11-12 23:51:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-12 23:51:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-12 23:51:22,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:22,326 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-12 23:51:22,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:51:22,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:22,551 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:51:22,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:22,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1613563666, now seen corresponding path program 1 times [2021-11-12 23:51:22,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:22,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951186995] [2021-11-12 23:51:22,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:22,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-12 23:51:22,756 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:22,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951186995] [2021-11-12 23:51:22,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951186995] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:51:22,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794385264] [2021-11-12 23:51:22,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:22,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:51:22,764 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:51:22,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:51:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:22,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:51:22,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:51:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-12 23:51:22,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:51:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-12 23:51:23,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794385264] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:51:23,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1186516365] [2021-11-12 23:51:23,044 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:51:23,051 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:51:23,056 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:51:23,061 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:51:23,062 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:51:23,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:51:23,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:23,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:51:23,173 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 36=[|v_#valid_29|]} [2021-11-12 23:51:23,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:51:23,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:23,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:23,219 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:23,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:23,293 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,375 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:51:23,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:51:23,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:51:23,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:51:23,390 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:23,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:23,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:51:23,429 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:23,432 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:51:23,452 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:51:23,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:51:23,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:51:23,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:51:23,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:23,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:51:23,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-12 23:51:23,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-12 23:51:23,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:51:23,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:51:23,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:23,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:23,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-12 23:51:23,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:23,529 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:140, output treesize:137 [2021-11-12 23:51:23,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:23,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:23,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:23,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:51:23,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:51:23,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 299 [2021-11-12 23:51:23,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-12 23:51:23,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-12 23:51:23,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:23,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:51:23,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:23,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:51:23,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:51:23,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-12 23:51:23,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:51:23,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:51:23,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:23,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:23,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:51:23,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:51:23,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-12 23:51:23,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:23,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-12 23:51:23,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-12 23:51:23,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:23,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:51:23,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:51:23,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:23,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:51:23,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:24,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:24,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:24,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:24,031 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 49 treesize of output 50 [2021-11-12 23:51:24,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:51:24,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:51:24,040 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:24,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,134 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.3 percent of original size [2021-11-12 23:51:24,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-12 23:51:24,148 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:51:24,152 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:437, output treesize:335 [2021-11-12 23:51:24,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,253 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:51:24,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:24,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:24,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:51:24,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:51:24,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:24,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:24,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:24,277 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 [2021-11-12 23:51:24,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:51:24,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:51:24,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:24,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:24,291 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:24,291 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:51:24,297 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:51:24,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:51:24,307 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:51:24,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:24,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:51:24,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:51:24,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:24,324 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 17 treesize of output 17 [2021-11-12 23:51:24,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:51:24,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:51:24,330 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:24,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:51:24,337 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:24,337 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2021-11-12 23:51:24,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:24,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:24,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:24,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:24,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:51:24,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-12 23:51:24,398 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:24,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-12 23:51:24,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-12 23:51:24,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:24,421 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 25 treesize of output 25 [2021-11-12 23:51:24,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:24,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:24,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:24,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:24,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:24,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:51:24,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:24,453 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-12 23:51:24,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 48 [2021-11-12 23:51:24,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:51:24,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:51:24,467 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:24,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,488 INFO L180 QuantifierPusher]: treesize reduction 98, result has 58.8 percent of original size [2021-11-12 23:51:24,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 23:51:24,491 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:51:24,492 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:242, output treesize:140 [2021-11-12 23:51:24,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,542 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:51:24,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:24,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:24,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:24,567 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:51:24,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:51:24,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:24,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:24,572 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:24,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:24,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:24,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:51:24,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:24,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:51:24,584 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:51:24,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:51:24,592 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:51:24,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:51:24,967 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:51:24,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2021-11-12 23:51:24,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208963686] [2021-11-12 23:51:24,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:51:24,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 23:51:24,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:51:24,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 23:51:24,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:51:24,970 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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) [2021-11-12 23:51:25,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:51:25,051 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2021-11-12 23:51:25,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:51:25,051 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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 10 [2021-11-12 23:51:25,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:51:25,052 INFO L225 Difference]: With dead ends: 48 [2021-11-12 23:51:25,052 INFO L226 Difference]: Without dead ends: 40 [2021-11-12 23:51:25,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:51:25,054 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 31 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.66ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.93ms IncrementalHoareTripleChecker+Time [2021-11-12 23:51:25,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 21 Invalid, 64 Unknown, 0 Unchecked, 1.66ms Time], IncrementalHoareTripleChecker [25 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 66.93ms Time] [2021-11-12 23:51:25,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-12 23:51:25,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 20. [2021-11-12 23:51:25,061 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) [2021-11-12 23:51:25,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-11-12 23:51:25,063 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 10 [2021-11-12 23:51:25,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:51:25,063 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-11-12 23:51:25,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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) [2021-11-12 23:51:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-11-12 23:51:25,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-12 23:51:25,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:25,064 INFO L514 BasicCegarLoop]: trace histogram [8, 4, 1, 1, 1, 1, 1, 1] [2021-11-12 23:51:25,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:51:25,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:25,287 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:51:25,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:25,287 INFO L85 PathProgramCache]: Analyzing trace with hash 834469774, now seen corresponding path program 2 times [2021-11-12 23:51:25,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:25,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958103602] [2021-11-12 23:51:25,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:25,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:25,376 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-12 23:51:25,376 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:25,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958103602] [2021-11-12 23:51:25,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958103602] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:51:25,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560226526] [2021-11-12 23:51:25,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:51:25,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:25,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:51:25,378 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:51:25,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:51:25,464 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-12 23:51:25,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:51:25,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:51:25,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:51:25,518 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-12 23:51:25,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:51:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-12 23:51:25,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560226526] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:51:25,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2025180005] [2021-11-12 23:51:25,596 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:51:25,596 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:51:25,597 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:51:25,597 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:51:25,597 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:51:25,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:51:25,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:25,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:51:25,619 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 36=[|v_#valid_30|]} [2021-11-12 23:51:25,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:51:25,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:25,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:25,636 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:25,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:25,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,680 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:51:25,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:51:25,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:51:25,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:51:25,688 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:25,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:25,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:51:25,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:25,699 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:51:25,705 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:51:25,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:51:25,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:25,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:51:25,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:51:25,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:51:25,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-12 23:51:25,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-12 23:51:25,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:51:25,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:51:25,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:25,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:25,758 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-12 23:51:25,764 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:25,764 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:140, output treesize:137 [2021-11-12 23:51:25,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:25,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:25,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:25,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:25,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:51:25,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:51:25,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:51:25,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 299 [2021-11-12 23:51:25,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-12 23:51:25,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-12 23:51:25,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:25,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:51:25,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:51:25,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-12 23:51:25,931 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:51:25,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:25,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:51:25,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:51:25,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:25,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:51:25,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-12 23:51:25,957 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:25,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-12 23:51:25,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-12 23:51:25,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:25,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:51:25,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:51:25,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:25,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:51:25,998 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:26,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:26,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:26,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:26,016 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 49 treesize of output 50 [2021-11-12 23:51:26,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:51:26,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:51:26,030 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:26,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,079 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.3 percent of original size [2021-11-12 23:51:26,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-12 23:51:26,089 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:51:26,089 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:437, output treesize:335 [2021-11-12 23:51:26,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,151 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:51:26,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:26,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:26,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:51:26,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:51:26,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:26,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:26,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:26,170 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 [2021-11-12 23:51:26,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:51:26,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:51:26,172 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:26,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,175 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:26,179 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:26,180 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:51:26,185 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:51:26,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:51:26,191 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:51:26,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:26,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:51:26,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:51:26,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:26,203 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 17 treesize of output 17 [2021-11-12 23:51:26,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:51:26,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:51:26,221 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:26,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:51:26,229 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:26,229 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2021-11-12 23:51:26,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:26,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:26,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:51:26,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:26,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:26,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-12 23:51:26,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:26,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-12 23:51:26,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-12 23:51:26,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:26,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:26,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:51:26,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:26,297 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-12 23:51:26,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 48 [2021-11-12 23:51:26,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:51:26,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:51:26,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:26,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:26,309 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 25 treesize of output 25 [2021-11-12 23:51:26,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:26,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:26,312 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:26,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,330 INFO L180 QuantifierPusher]: treesize reduction 98, result has 58.8 percent of original size [2021-11-12 23:51:26,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 23:51:26,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:51:26,336 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:242, output treesize:140 [2021-11-12 23:51:26,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,371 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:51:26,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:26,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:26,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:26,394 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:51:26,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:51:26,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:26,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:26,396 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:26,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:26,399 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:26,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:51:26,401 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:26,401 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:51:26,406 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:51:26,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:51:26,413 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:51:26,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:51:26,731 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:51:26,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-12 23:51:26,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100129794] [2021-11-12 23:51:26,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:51:26,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-12 23:51:26,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:51:26,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-12 23:51:26,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=176, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:51:26,733 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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) [2021-11-12 23:51:26,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:51:26,829 INFO L93 Difference]: Finished difference Result 84 states and 95 transitions. [2021-11-12 23:51:26,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:51:26,829 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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 18 [2021-11-12 23:51:26,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:51:26,831 INFO L225 Difference]: With dead ends: 84 [2021-11-12 23:51:26,831 INFO L226 Difference]: Without dead ends: 74 [2021-11-12 23:51:26,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=176, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:51:26,832 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 84 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.54ms SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.93ms IncrementalHoareTripleChecker+Time [2021-11-12 23:51:26,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 33 Invalid, 103 Unknown, 0 Unchecked, 2.54ms Time], IncrementalHoareTripleChecker [52 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 75.93ms Time] [2021-11-12 23:51:26,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-12 23:51:26,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 28. [2021-11-12 23:51:26,838 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) [2021-11-12 23:51:26,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2021-11-12 23:51:26,839 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 18 [2021-11-12 23:51:26,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:51:26,839 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2021-11-12 23:51:26,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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) [2021-11-12 23:51:26,840 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-11-12 23:51:26,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 23:51:26,841 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:26,841 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1] [2021-11-12 23:51:26,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:51:27,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-11-12 23:51:27,067 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:51:27,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:27,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1432723566, now seen corresponding path program 3 times [2021-11-12 23:51:27,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:27,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048215488] [2021-11-12 23:51:27,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:27,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:27,238 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-12 23:51:27,238 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:27,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048215488] [2021-11-12 23:51:27,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048215488] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:51:27,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168543733] [2021-11-12 23:51:27,239 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:51:27,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:27,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:51:27,240 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:51:27,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-12 23:51:27,301 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:51:27,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:51:27,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:51:27,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:51:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-12 23:51:27,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:51:27,649 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-12 23:51:27,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168543733] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:51:27,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1356481135] [2021-11-12 23:51:27,652 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:51:27,652 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:51:27,652 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:51:27,652 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:51:27,652 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:51:27,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:27,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:51:27,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:51:27,666 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 36=[|v_#valid_31|]} [2021-11-12 23:51:27,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:51:27,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:27,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:27,684 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:27,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:27,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,728 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:51:27,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:51:27,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:51:27,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:51:27,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:27,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:27,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:51:27,743 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:27,744 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:51:27,749 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:51:27,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:51:27,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:27,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:51:27,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:51:27,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:51:27,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-12 23:51:27,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-12 23:51:27,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:51:27,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:51:27,784 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:27,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:27,789 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-12 23:51:27,794 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:27,794 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:140, output treesize:137 [2021-11-12 23:51:27,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:27,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:27,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:27,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:27,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:51:27,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:51:27,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:51:27,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 299 [2021-11-12 23:51:27,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-12 23:51:27,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-12 23:51:27,900 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:27,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:51:27,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:51:27,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:27,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:51:27,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:27,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:51:27,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:51:27,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-12 23:51:27,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:51:27,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-12 23:51:27,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:27,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-12 23:51:27,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-12 23:51:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,966 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 49 treesize of output 50 [2021-11-12 23:51:27,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:51:27,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:51:27,973 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:27,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:51:27,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:51:27,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:27,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:51:27,992 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:27,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,030 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.3 percent of original size [2021-11-12 23:51:28,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-12 23:51:28,037 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:51:28,037 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:437, output treesize:335 [2021-11-12 23:51:28,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,089 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:51:28,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:28,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:28,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:51:28,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:51:28,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:28,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:28,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:28,102 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 [2021-11-12 23:51:28,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:51:28,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:51:28,104 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:28,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:28,109 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:28,110 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:51:28,114 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:51:28,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:51:28,118 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:51:28,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:28,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:51:28,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-12 23:51:28,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:28,128 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 22 treesize of output 22 [2021-11-12 23:51:28,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:51:28,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:51:28,131 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:28,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:51:28,135 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:28,135 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:60 [2021-11-12 23:51:28,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:28,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:28,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:51:28,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:28,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:28,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-12 23:51:28,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:28,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-12 23:51:28,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-12 23:51:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:28,179 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 25 treesize of output 25 [2021-11-12 23:51:28,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:28,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:28,182 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:28,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:28,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:28,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:51:28,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:28,211 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-12 23:51:28,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 53 [2021-11-12 23:51:28,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:51:28,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:51:28,215 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:28,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,228 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,234 INFO L180 QuantifierPusher]: treesize reduction 98, result has 59.7 percent of original size [2021-11-12 23:51:28,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-11-12 23:51:28,236 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:51:28,236 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:247, output treesize:145 [2021-11-12 23:51:28,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,264 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:51:28,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:28,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:28,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:28,285 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:51:28,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:51:28,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:28,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:28,287 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:28,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:28,290 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:28,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:51:28,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:28,292 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:51:28,296 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:51:28,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:51:28,302 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:51:28,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:51:28,648 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:51:28,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 32 [2021-11-12 23:51:28,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907803085] [2021-11-12 23:51:28,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:51:28,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-12 23:51:28,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:51:28,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-12 23:51:28,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=601, Invalid=731, Unknown=0, NotChecked=0, Total=1332 [2021-11-12 23:51:28,651 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 32 states, 32 states have (on average 1.34375) internal successors, (43), 32 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) [2021-11-12 23:51:28,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:51:28,879 INFO L93 Difference]: Finished difference Result 143 states and 170 transitions. [2021-11-12 23:51:28,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-12 23:51:28,879 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.34375) internal successors, (43), 32 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 26 [2021-11-12 23:51:28,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:51:28,881 INFO L225 Difference]: With dead ends: 143 [2021-11-12 23:51:28,881 INFO L226 Difference]: Without dead ends: 127 [2021-11-12 23:51:28,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=601, Invalid=731, Unknown=0, NotChecked=0, Total=1332 [2021-11-12 23:51:28,883 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 171 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.76ms SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 160.55ms IncrementalHoareTripleChecker+Time [2021-11-12 23:51:28,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 72 Invalid, 233 Unknown, 0 Unchecked, 2.76ms Time], IncrementalHoareTripleChecker [122 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 160.55ms Time] [2021-11-12 23:51:28,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-12 23:51:28,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 52. [2021-11-12 23:51:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 51 states have internal predecessors, (54), 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) [2021-11-12 23:51:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2021-11-12 23:51:28,892 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 26 [2021-11-12 23:51:28,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:51:28,893 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2021-11-12 23:51:28,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.34375) internal successors, (43), 32 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) [2021-11-12 23:51:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2021-11-12 23:51:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-12 23:51:28,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:28,895 INFO L514 BasicCegarLoop]: trace histogram [29, 15, 1, 1, 1, 1, 1, 1] [2021-11-12 23:51:28,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:51:29,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:29,112 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:51:29,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:29,113 INFO L85 PathProgramCache]: Analyzing trace with hash 315131095, now seen corresponding path program 4 times [2021-11-12 23:51:29,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:29,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175554704] [2021-11-12 23:51:29,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:29,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-11-12 23:51:29,375 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:29,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175554704] [2021-11-12 23:51:29,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175554704] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:51:29,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036518728] [2021-11-12 23:51:29,376 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-12 23:51:29,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:29,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:51:29,378 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:51:29,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-12 23:51:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:29,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-12 23:51:29,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:51:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-12 23:51:29,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:51:30,796 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-12 23:51:30,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036518728] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:51:30,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1535270395] [2021-11-12 23:51:30,799 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:51:30,799 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:51:30,800 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:51:30,800 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:51:30,800 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:51:30,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:30,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:30,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:30,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:51:30,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:51:30,811 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 36=[|v_#valid_32|]} [2021-11-12 23:51:30,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:51:30,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:30,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:30,831 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:30,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:30,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,880 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:51:30,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:51:30,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:51:30,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:51:30,885 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:30,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:30,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:51:30,895 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:30,895 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:51:30,899 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:51:30,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:30,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:30,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:51:30,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:30,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:30,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:30,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-12 23:51:30,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:51:30,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:30,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-12 23:51:30,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-12 23:51:30,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:30,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-12 23:51:30,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:51:30,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:51:30,930 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:30,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:30,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:30,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-12 23:51:30,951 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:30,951 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:140, output treesize:137 [2021-11-12 23:51:30,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:30,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:30,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:31,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:51:31,023 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:51:31,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:51:31,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 299 [2021-11-12 23:51:31,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-12 23:51:31,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-12 23:51:31,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:31,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:51:31,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:51:31,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-12 23:51:31,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:51:31,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:31,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:51:31,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:51:31,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:51:31,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:51:31,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-12 23:51:31,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-12 23:51:31,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-12 23:51:31,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:31,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:31,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:31,125 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 49 treesize of output 50 [2021-11-12 23:51:31,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:51:31,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:51:31,129 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:31,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:31,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:31,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:51:31,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:51:31,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:51:31,146 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:31,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,171 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,182 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.3 percent of original size [2021-11-12 23:51:31,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-12 23:51:31,189 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:51:31,189 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:437, output treesize:335 [2021-11-12 23:51:31,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,251 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:51:31,253 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,254 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:51:31,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:51:31,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:31,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:31,265 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 [2021-11-12 23:51:31,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:51:31,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:51:31,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:31,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:31,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:31,278 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:51:31,282 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:51:31,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:51:31,286 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:51:31,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:51:31,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:51:31,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:31,298 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 17 treesize of output 17 [2021-11-12 23:51:31,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:51:31,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:51:31,300 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:31,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:51:31,304 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:31,305 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2021-11-12 23:51:31,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:51:31,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:31,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-12 23:51:31,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-12 23:51:31,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-12 23:51:31,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:31,353 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 25 treesize of output 25 [2021-11-12 23:51:31,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:31,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:31,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:31,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:31,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:51:31,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:51:31,378 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-12 23:51:31,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 48 [2021-11-12 23:51:31,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:51:31,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:51:31,383 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:31,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,399 INFO L180 QuantifierPusher]: treesize reduction 98, result has 58.8 percent of original size [2021-11-12 23:51:31,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 23:51:31,401 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:51:31,402 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:242, output treesize:140 [2021-11-12 23:51:31,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,436 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:51:31,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:51:31,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:51:31,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:51:31,465 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:51:31,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:51:31,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:31,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:51:31,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:51:31,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:51:31,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:51:31,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:51:31,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:51:31,473 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:51:31,477 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:51:31,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:51:31,483 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:51:31,810 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:51:31,810 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:51:31,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 31, 31] total 69 [2021-11-12 23:51:31,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504157038] [2021-11-12 23:51:31,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:51:31,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-11-12 23:51:31,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:51:31,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-11-12 23:51:31,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2562, Invalid=2840, Unknown=0, NotChecked=0, Total=5402 [2021-11-12 23:51:31,816 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 69 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 69 states have internal predecessors, (86), 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) [2021-11-12 23:51:32,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:51:32,430 INFO L93 Difference]: Finished difference Result 251 states and 302 transitions. [2021-11-12 23:51:32,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-12 23:51:32,431 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 69 states have internal predecessors, (86), 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 50 [2021-11-12 23:51:32,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:51:32,438 INFO L225 Difference]: With dead ends: 251 [2021-11-12 23:51:32,439 INFO L226 Difference]: Without dead ends: 230 [2021-11-12 23:51:32,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2701 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2562, Invalid=2840, Unknown=0, NotChecked=0, Total=5402 [2021-11-12 23:51:32,444 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 423 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 277.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.71ms SdHoareTripleChecker+Time, 362 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 352.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:51:32,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 144 Invalid, 578 Unknown, 0 Unchecked, 5.71ms Time], IncrementalHoareTripleChecker [362 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 352.83ms Time] [2021-11-12 23:51:32,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-11-12 23:51:32,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 100. [2021-11-12 23:51:32,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.0303030303030303) internal successors, (102), 99 states have internal predecessors, (102), 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) [2021-11-12 23:51:32,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2021-11-12 23:51:32,475 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 50 [2021-11-12 23:51:32,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:51:32,475 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2021-11-12 23:51:32,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 69 states have internal predecessors, (86), 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) [2021-11-12 23:51:32,476 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2021-11-12 23:51:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-12 23:51:32,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:51:32,481 INFO L514 BasicCegarLoop]: trace histogram [66, 26, 1, 1, 1, 1, 1, 1] [2021-11-12 23:51:32,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:51:32,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:32,707 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:51:32,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:51:32,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1846122222, now seen corresponding path program 5 times [2021-11-12 23:51:32,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:51:32,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55482908] [2021-11-12 23:51:32,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:51:32,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:51:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:51:33,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 2211 trivial. 0 not checked. [2021-11-12 23:51:33,228 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:51:33,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55482908] [2021-11-12 23:51:33,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55482908] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:51:33,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249765089] [2021-11-12 23:51:33,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:51:33,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:51:33,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:51:33,230 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:51:33,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-12 23:52:50,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-11-12 23:52:50,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:52:50,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-12 23:52:50,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 2211 trivial. 0 not checked. [2021-11-12 23:52:50,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:52:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 2211 trivial. 0 not checked. [2021-11-12 23:52:51,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249765089] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:52:51,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [805209226] [2021-11-12 23:52:51,723 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:52:51,723 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:52:51,723 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:52:51,723 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:52:51,724 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:52:51,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:51,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:52:51,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:51,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:52:51,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:52:51,760 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 36=[|v_#valid_33|]} [2021-11-12 23:52:51,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:52:51,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:51,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:51,778 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:51,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:51,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,819 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:52:51,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:52:51,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:52:51,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:52:51,825 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:51,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:51,831 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:52:51,835 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:51,836 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:52:51,842 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:52:51,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:51,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:51,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:52:51,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:51,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:51,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:51,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:52:51,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:52:51,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:51,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:52:51,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:52:51,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:51,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:52:51,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:52:51,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:52:51,896 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:51,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:51,901 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:52:51,907 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:51,907 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:149 [2021-11-12 23:52:51,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:51,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:51,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:51,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:51,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:51,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:51,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:52:51,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:51,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:52:51,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-12 23:52:51,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:51,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:51,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-12 23:52:51,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-12 23:52:51,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,000 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:52:52,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:52,007 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:52:52,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:52,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:52:52,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:52:52,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-12 23:52:52,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,022 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:52:52,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:52:52,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:52:52,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:52:52,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:52:52,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-11-12 23:52:52,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-12 23:52:52,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 363 [2021-11-12 23:52:52,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:52,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:52,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:52,065 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 59 treesize of output 55 [2021-11-12 23:52:52,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:52:52,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:52:52,069 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:52,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:52,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:52,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:52:52,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:52:52,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:52:52,091 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:52,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,140 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.9 percent of original size [2021-11-12 23:52:52,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-12 23:52:52,148 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:52:52,148 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:447, output treesize:345 [2021-11-12 23:52:52,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,202 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:52:52,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,205 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:52:52,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:52:52,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:52:52,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:52:52,215 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 [2021-11-12 23:52:52,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:52:52,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:52:52,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:52,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,220 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:52:52,223 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:52,223 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:52:52,228 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:52:52,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:52:52,232 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:52:52,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:52:52,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-12 23:52:52,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:52,243 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 25 treesize of output 25 [2021-11-12 23:52:52,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:52,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:52,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:52,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,248 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-12 23:52:52,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:52,278 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:65 [2021-11-12 23:52:52,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:52:52,305 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:52:52,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-12 23:52:52,308 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-12 23:52:52,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-12 23:52:52,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:52,321 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 25 treesize of output 25 [2021-11-12 23:52:52,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:52,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:52,323 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:52,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:52,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:52,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:52:52,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:52:52,341 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-12 23:52:52,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 56 [2021-11-12 23:52:52,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:52:52,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:52:52,345 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:52,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,358 INFO L180 QuantifierPusher]: treesize reduction 98, result has 60.2 percent of original size [2021-11-12 23:52:52,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-12 23:52:52,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:52:52,360 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:250, output treesize:148 [2021-11-12 23:52:52,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,383 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:52:52,393 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:52:52,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:52:52,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:52:52,415 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:52:52,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:52:52,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:52,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:52:52,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:52:52,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:52:52,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:52:52,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:52:52,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:52:52,420 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:52:52,424 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:52:52,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:52:52,431 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:52:52,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:52:52,752 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:52:52,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 57 [2021-11-12 23:52:52,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065105370] [2021-11-12 23:52:52,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:52:52,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-11-12 23:52:52,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:52:52,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-11-12 23:52:52,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1780, Invalid=2002, Unknown=0, NotChecked=0, Total=3782 [2021-11-12 23:52:52,757 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand has 57 states, 57 states have (on average 1.105263157894737) internal successors, (63), 57 states have internal predecessors, (63), 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) [2021-11-12 23:52:53,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:52:53,627 INFO L93 Difference]: Finished difference Result 399 states and 429 transitions. [2021-11-12 23:52:53,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-12 23:52:53,627 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 1.105263157894737) internal successors, (63), 57 states have internal predecessors, (63), 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 98 [2021-11-12 23:52:53,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:52:53,631 INFO L225 Difference]: With dead ends: 399 [2021-11-12 23:52:53,631 INFO L226 Difference]: Without dead ends: 394 [2021-11-12 23:52:53,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1780, Invalid=2002, Unknown=0, NotChecked=0, Total=3782 [2021-11-12 23:52:53,634 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 704 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 281.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.70ms SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 374.03ms IncrementalHoareTripleChecker+Time [2021-11-12 23:52:53,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [704 Valid, 162 Invalid, 604 Unknown, 0 Unchecked, 7.70ms Time], IncrementalHoareTripleChecker [381 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 374.03ms Time] [2021-11-12 23:52:53,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-11-12 23:52:53,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 128. [2021-11-12 23:52:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.0236220472440944) internal successors, (130), 127 states have internal predecessors, (130), 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) [2021-11-12 23:52:53,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2021-11-12 23:52:53,648 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 98 [2021-11-12 23:52:53,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:52:53,649 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2021-11-12 23:52:53,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 1.105263157894737) internal successors, (63), 57 states have internal predecessors, (63), 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) [2021-11-12 23:52:53,649 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2021-11-12 23:52:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-12 23:52:53,652 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:52:53,652 INFO L514 BasicCegarLoop]: trace histogram [66, 54, 1, 1, 1, 1, 1, 1] [2021-11-12 23:52:53,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:52:53,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-11-12 23:52:53,853 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:52:53,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:52:53,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1097870318, now seen corresponding path program 6 times [2021-11-12 23:52:53,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:52:53,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585123684] [2021-11-12 23:52:53,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:52:53,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:52:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:52:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3696 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 2211 trivial. 0 not checked. [2021-11-12 23:52:55,448 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:52:55,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585123684] [2021-11-12 23:52:55,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585123684] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:52:55,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829582338] [2021-11-12 23:52:55,449 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:52:55,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:52:55,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:52:55,451 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:52:55,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-12 23:52:55,649 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:52:55,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:52:55,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-12 23:52:55,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:52:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3696 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2021-11-12 23:52:56,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:53:01,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3696 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2021-11-12 23:53:01,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829582338] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:53:01,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1785578856] [2021-11-12 23:53:01,213 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:53:01,213 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:53:01,213 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:53:01,214 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:53:01,214 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:53:01,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:53:01,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:53:01,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:53:01,251 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 36=[|v_#valid_34|]} [2021-11-12 23:53:01,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:53:01,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:53:01,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:53:01,270 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,312 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:53:01,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:53:01,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:53:01,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:53:01,318 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:53:01,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,327 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:53:01,331 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:53:01,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:53:01,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:53:01,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:01,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:53:01,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:53:01,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:53:01,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:53:01,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:53:01,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:53:01,386 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:53:01,397 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,397 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:149 [2021-11-12 23:53:01,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,456 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:53:01,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:53:01,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-12 23:53:01,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-12 23:53:01,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-12 23:53:01,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:01,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:53:01,484 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,489 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:53:01,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:53:01,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:01,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:53:01,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:53:01,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,499 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:01,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:53:01,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:53:01,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:53:01,504 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-12 23:53:01,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-11-12 23:53:01,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-12 23:53:01,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 363 [2021-11-12 23:53:01,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:53:01,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:53:01,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:53:01,546 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,565 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 59 treesize of output 55 [2021-11-12 23:53:01,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:53:01,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:53:01,570 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,601 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,619 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.9 percent of original size [2021-11-12 23:53:01,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-12 23:53:01,633 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:53:01,633 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:447, output treesize:345 [2021-11-12 23:53:01,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,715 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:53:01,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:53:01,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:53:01,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:01,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:53:01,729 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 [2021-11-12 23:53:01,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:53:01,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:53:01,731 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,733 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:53:01,735 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,735 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:53:01,741 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:53:01,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:53:01,744 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:53:01,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:53:01,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:53:01,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,753 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 17 treesize of output 17 [2021-11-12 23:53:01,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:53:01,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:53:01,755 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,756 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:53:01,758 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,758 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2021-11-12 23:53:01,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:01,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:53:01,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-12 23:53:01,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-12 23:53:01,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-12 23:53:01,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:53:01,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,858 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-12 23:53:01,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 48 [2021-11-12 23:53:01,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:53:01,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:53:01,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:01,871 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 25 treesize of output 25 [2021-11-12 23:53:01,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:53:01,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:53:01,874 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,890 INFO L180 QuantifierPusher]: treesize reduction 98, result has 58.8 percent of original size [2021-11-12 23:53:01,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 23:53:01,893 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:53:01,893 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:242, output treesize:140 [2021-11-12 23:53:01,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,929 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:53:01,931 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:01,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:01,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:53:01,952 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:53:01,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:53:01,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:53:01,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:53:01,955 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:01,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:01,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:53:01,960 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:53:01,960 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:53:01,965 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:53:01,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:53:01,971 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:53:02,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:53:02,426 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:53:02,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 68, 68] total 170 [2021-11-12 23:53:02,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17225568] [2021-11-12 23:53:02,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:53:02,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2021-11-12 23:53:02,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:53:02,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2021-11-12 23:53:02,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14884, Invalid=15566, Unknown=0, NotChecked=0, Total=30450 [2021-11-12 23:53:02,443 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand has 170 states, 170 states have (on average 1.1705882352941177) internal successors, (199), 170 states have internal predecessors, (199), 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) [2021-11-12 23:53:08,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:53:08,317 INFO L93 Difference]: Finished difference Result 699 states and 827 transitions. [2021-11-12 23:53:08,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-11-12 23:53:08,318 INFO L78 Accepts]: Start accepts. Automaton has has 170 states, 170 states have (on average 1.1705882352941177) internal successors, (199), 170 states have internal predecessors, (199), 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 126 [2021-11-12 23:53:08,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:53:08,323 INFO L225 Difference]: With dead ends: 699 [2021-11-12 23:53:08,323 INFO L226 Difference]: Without dead ends: 639 [2021-11-12 23:53:08,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13687 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=14884, Invalid=15566, Unknown=0, NotChecked=0, Total=30450 [2021-11-12 23:53:08,337 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 1656 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 1183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 768.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 1688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.37ms SdHoareTripleChecker+Time, 1183 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1048.28ms IncrementalHoareTripleChecker+Time [2021-11-12 23:53:08,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1656 Valid, 330 Invalid, 1688 Unknown, 0 Unchecked, 22.37ms Time], IncrementalHoareTripleChecker [1183 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 1048.28ms Time] [2021-11-12 23:53:08,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2021-11-12 23:53:08,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 253. [2021-11-12 23:53:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.0119047619047619) internal successors, (255), 252 states have internal predecessors, (255), 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) [2021-11-12 23:53:08,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 255 transitions. [2021-11-12 23:53:08,365 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 255 transitions. Word has length 126 [2021-11-12 23:53:08,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:53:08,366 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 255 transitions. [2021-11-12 23:53:08,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 1.1705882352941177) internal successors, (199), 170 states have internal predecessors, (199), 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) [2021-11-12 23:53:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 255 transitions. [2021-11-12 23:53:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-12 23:53:08,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:53:08,373 INFO L514 BasicCegarLoop]: trace histogram [167, 78, 1, 1, 1, 1, 1, 1] [2021-11-12 23:53:08,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:53:08,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:53:08,599 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:53:08,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:53:08,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1853021935, now seen corresponding path program 7 times [2021-11-12 23:53:08,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:53:08,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96572852] [2021-11-12 23:53:08,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:53:08,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:53:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:53:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 17109 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2021-11-12 23:53:11,766 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:53:11,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96572852] [2021-11-12 23:53:11,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96572852] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:53:11,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114028498] [2021-11-12 23:53:11,767 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-12 23:53:11,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:53:11,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:53:11,768 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:53:11,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-12 23:53:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:53:12,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1531 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-12 23:53:12,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:53:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 17109 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 3081 trivial. 0 not checked. [2021-11-12 23:53:15,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:53:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 17109 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 3081 trivial. 0 not checked. [2021-11-12 23:53:36,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114028498] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:53:36,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [502990605] [2021-11-12 23:53:36,097 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-12 23:53:36,097 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:53:36,097 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:53:36,097 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:53:36,098 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:53:36,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:53:36,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:53:36,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-12 23:53:36,118 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_19|], 36=[|v_#valid_35|]} [2021-11-12 23:53:36,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-12 23:53:36,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:53:36,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:53:36,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,168 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-12 23:53:36,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-12 23:53:36,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:53:36,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:53:36,172 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,182 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:53:36,186 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,186 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-12 23:53:36,189 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-12 23:53:36,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:36,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:53:36,194 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:53:36,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:53:36,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:53:36,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:53:36,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:53:36,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:53:36,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:53:36,212 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:53:36,221 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,221 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:149 [2021-11-12 23:53:36,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:36,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:53:36,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:53:36,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:53:36,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-12 23:53:36,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-12 23:53:36,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-12 23:53:36,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:36,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:53:36,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:53:36,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:53:36,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:53:36,314 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,315 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:36,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:53:36,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:53:36,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:53:36,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-12 23:53:36,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-11-12 23:53:36,324 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-12 23:53:36,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 363 [2021-11-12 23:53:36,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,357 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 59 treesize of output 55 [2021-11-12 23:53:36,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:53:36,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-12 23:53:36,361 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-12 23:53:36,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:53:36,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:53:36,377 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,413 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.9 percent of original size [2021-11-12 23:53:36,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-12 23:53:36,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:53:36,420 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:447, output treesize:345 [2021-11-12 23:53:36,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,463 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-12 23:53:36,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:53:36,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:53:36,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:36,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:53:36,474 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 [2021-11-12 23:53:36,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:53:36,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:53:36,476 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:53:36,480 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,480 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-12 23:53:36,484 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-12 23:53:36,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:53:36,487 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-12 23:53:36,488 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:53:36,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:53:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,495 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 17 treesize of output 17 [2021-11-12 23:53:36,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:53:36,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:53:36,497 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:53:36,500 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,500 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2021-11-12 23:53:36,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:53:36,523 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:36,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-12 23:53:36,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-12 23:53:36,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-12 23:53:36,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 23:53:36,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,554 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-12 23:53:36,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 48 [2021-11-12 23:53:36,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:53:36,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 23:53:36,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:53:36,565 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 25 treesize of output 25 [2021-11-12 23:53:36,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:53:36,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:53:36,567 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,579 INFO L180 QuantifierPusher]: treesize reduction 98, result has 58.8 percent of original size [2021-11-12 23:53:36,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 23:53:36,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-12 23:53:36,581 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:242, output treesize:140 [2021-11-12 23:53:36,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,603 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-12 23:53:36,604 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:53:36,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:53:36,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:53:36,622 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-12 23:53:36,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-12 23:53:36,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:53:36,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:53:36,625 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:53:36,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:53:36,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:53:36,628 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:53:36,628 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-12 23:53:36,633 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-12 23:53:36,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:53:36,639 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:53:37,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:53:37,069 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:53:37,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 169, 169] total 362 [2021-11-12 23:53:37,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876891614] [2021-11-12 23:53:37,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:53:37,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 362 states [2021-11-12 23:53:37,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:53:37,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 362 interpolants. [2021-11-12 23:53:37,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66436, Invalid=67886, Unknown=0, NotChecked=0, Total=134322 [2021-11-12 23:53:37,100 INFO L87 Difference]: Start difference. First operand 253 states and 255 transitions. Second operand has 362 states, 362 states have (on average 1.1740331491712708) internal successors, (425), 362 states have internal predecessors, (425), 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) [2021-11-12 23:54:22,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:54:22,882 INFO L93 Difference]: Finished difference Result 1261 states and 1513 transitions. [2021-11-12 23:54:22,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 362 states. [2021-11-12 23:54:22,883 INFO L78 Accepts]: Start accepts. Automaton has has 362 states, 362 states have (on average 1.1740331491712708) internal successors, (425), 362 states have internal predecessors, (425), 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 251 [2021-11-12 23:54:22,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:54:22,892 INFO L225 Difference]: With dead ends: 1261 [2021-11-12 23:54:22,892 INFO L226 Difference]: Without dead ends: 1177 [2021-11-12 23:54:22,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 365 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65283 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=66436, Invalid=67886, Unknown=0, NotChecked=0, Total=134322 [2021-11-12 23:54:22,904 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 3323 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 2435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1287.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3323 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 3489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.72ms SdHoareTripleChecker+Time, 2435 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1693.11ms IncrementalHoareTripleChecker+Time [2021-11-12 23:54:22,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3323 Valid, 687 Invalid, 3489 Unknown, 0 Unchecked, 35.72ms Time], IncrementalHoareTripleChecker [2435 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 1693.11ms Time] [2021-11-12 23:54:22,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2021-11-12 23:54:22,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 502. [2021-11-12 23:54:22,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 501 states have (on average 1.0059880239520957) internal successors, (504), 501 states have internal predecessors, (504), 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) [2021-11-12 23:54:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 504 transitions. [2021-11-12 23:54:22,960 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 504 transitions. Word has length 251 [2021-11-12 23:54:22,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:54:22,962 INFO L470 AbstractCegarLoop]: Abstraction has 502 states and 504 transitions. [2021-11-12 23:54:22,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 362 states, 362 states have (on average 1.1740331491712708) internal successors, (425), 362 states have internal predecessors, (425), 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) [2021-11-12 23:54:22,963 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 504 transitions. [2021-11-12 23:54:22,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-11-12 23:54:22,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:54:22,980 INFO L514 BasicCegarLoop]: trace histogram [359, 135, 1, 1, 1, 1, 1, 1] [2021-11-12 23:54:23,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:54:23,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable181 [2021-11-12 23:54:23,195 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:54:23,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:54:23,195 INFO L85 PathProgramCache]: Analyzing trace with hash -844951113, now seen corresponding path program 8 times [2021-11-12 23:54:23,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:54:23,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309797071] [2021-11-12 23:54:23,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:54:23,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:54:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:54:31,751 INFO L134 CoverageAnalysis]: Checked inductivity of 73800 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 64620 trivial. 0 not checked. [2021-11-12 23:54:31,751 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:54:31,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309797071] [2021-11-12 23:54:31,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309797071] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:54:31,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230474789] [2021-11-12 23:54:31,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:54:31,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:54:31,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:54:31,775 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:54:31,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8576ffa-fb46-4e93-86e1-d459064c8e55/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process