./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/invert_string-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8 --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 ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:44:31,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:44:31,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:44:31,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:44:31,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:44:31,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:44:31,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:44:31,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:44:31,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:44:31,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:44:31,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:44:31,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:44:31,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:44:31,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:44:31,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:44:31,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:44:31,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:44:31,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:44:31,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:44:31,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:44:31,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:44:31,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:44:31,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:44:31,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:44:31,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:44:31,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:44:31,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:44:31,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:44:31,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:44:31,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:44:31,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:44:31,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:44:31,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:44:31,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:44:31,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:44:31,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:44:31,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:44:31,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:44:31,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:44:31,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:44:31,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:44:31,286 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:44:31,331 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:44:31,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:44:31,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:44:31,333 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:44:31,334 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:44:31,334 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:44:31,334 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:44:31,335 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:44:31,335 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:44:31,335 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:44:31,336 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:44:31,336 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:44:31,337 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:44:31,337 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:44:31,337 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:44:31,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:44:31,338 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:44:31,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:44:31,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:44:31,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:44:31,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:44:31,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:44:31,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:44:31,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:44:31,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:44:31,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:44:31,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:44:31,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:44:31,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:44:31,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:44:31,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:44:31,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:44:31,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:44:31,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:44:31,345 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:44:31,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:44:31,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:44:31,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:44:31,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:44:31,346 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_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2021-11-07 01:44:31,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:44:31,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:44:31,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:44:31,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:44:31,680 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:44:31,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/loops/invert_string-3.c [2021-11-07 01:44:31,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/data/1ac8ea955/0e686d5e5a004b898b69eff5759eae40/FLAG95aacbfd0 [2021-11-07 01:44:32,188 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:44:32,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/sv-benchmarks/c/loops/invert_string-3.c [2021-11-07 01:44:32,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/data/1ac8ea955/0e686d5e5a004b898b69eff5759eae40/FLAG95aacbfd0 [2021-11-07 01:44:32,594 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/data/1ac8ea955/0e686d5e5a004b898b69eff5759eae40 [2021-11-07 01:44:32,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:44:32,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:44:32,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:44:32,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:44:32,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:44:32,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:44:32" (1/1) ... [2021-11-07 01:44:32,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509054a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32, skipping insertion in model container [2021-11-07 01:44:32,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:44:32" (1/1) ... [2021-11-07 01:44:32,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:44:32,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:44:32,807 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_48f187db-4381-47d4-8325-b434b75efefd/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2021-11-07 01:44:32,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:44:32,835 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:44:32,843 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_48f187db-4381-47d4-8325-b434b75efefd/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2021-11-07 01:44:32,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:44:32,865 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:44:32,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32 WrapperNode [2021-11-07 01:44:32,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:44:32,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:44:32,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:44:32,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:44:32,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32" (1/1) ... [2021-11-07 01:44:32,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32" (1/1) ... [2021-11-07 01:44:32,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:44:32,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:44:32,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:44:32,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:44:32,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32" (1/1) ... [2021-11-07 01:44:32,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32" (1/1) ... [2021-11-07 01:44:32,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32" (1/1) ... [2021-11-07 01:44:32,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32" (1/1) ... [2021-11-07 01:44:32,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32" (1/1) ... [2021-11-07 01:44:32,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32" (1/1) ... [2021-11-07 01:44:32,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32" (1/1) ... [2021-11-07 01:44:32,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:44:32,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:44:32,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:44:32,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:44:32,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32" (1/1) ... [2021-11-07 01:44:32,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:44:32,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:32,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:44:32,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:44:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:44:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:44:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:44:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:44:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:44:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:44:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:44:33,405 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:44:33,405 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-07 01:44:33,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:44:33 BoogieIcfgContainer [2021-11-07 01:44:33,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:44:33,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:44:33,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:44:33,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:44:33,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:44:32" (1/3) ... [2021-11-07 01:44:33,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d5dc26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:44:33, skipping insertion in model container [2021-11-07 01:44:33,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:32" (2/3) ... [2021-11-07 01:44:33,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d5dc26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:44:33, skipping insertion in model container [2021-11-07 01:44:33,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:44:33" (3/3) ... [2021-11-07 01:44:33,417 INFO L111 eAbstractionObserver]: Analyzing ICFG invert_string-3.c [2021-11-07 01:44:33,422 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:44:33,423 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:44:33,470 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:44:33,479 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 [2021-11-07 01:44:33,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:44:33,500 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) [2021-11-07 01:44:33,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:44:33,505 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:33,506 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 01:44:33,506 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:33,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:33,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1538904472, now seen corresponding path program 1 times [2021-11-07 01:44:33,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:33,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616057659] [2021-11-07 01:44:33,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:33,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:34,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:34,034 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:34,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616057659] [2021-11-07 01:44:34,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616057659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:34,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:44:34,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:44:34,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988606879] [2021-11-07 01:44:34,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:44:34,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:44:34,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:44:34,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:44:34,059 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 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:34,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:34,119 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2021-11-07 01:44:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:44:34,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-07 01:44:34,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:34,133 INFO L225 Difference]: With dead ends: 16 [2021-11-07 01:44:34,133 INFO L226 Difference]: Without dead ends: 9 [2021-11-07 01:44:34,136 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:44:34,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-07 01:44:34,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-07 01:44:34,166 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) [2021-11-07 01:44:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-07 01:44:34,168 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 6 [2021-11-07 01:44:34,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:34,169 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-07 01:44:34,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:34,170 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-07 01:44:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 01:44:34,170 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:34,171 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:34,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:44:34,172 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:34,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:34,177 INFO L85 PathProgramCache]: Analyzing trace with hash -467836134, now seen corresponding path program 1 times [2021-11-07 01:44:34,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:34,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051207261] [2021-11-07 01:44:34,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:34,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:34,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:44:34,317 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:34,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051207261] [2021-11-07 01:44:34,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051207261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:34,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:44:34,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:44:34,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869724663] [2021-11-07 01:44:34,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:44:34,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:44:34,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:44:34,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:44:34,325 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-07 01:44:34,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:34,350 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2021-11-07 01:44:34,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:44:34,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 [2021-11-07 01:44:34,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:34,351 INFO L225 Difference]: With dead ends: 17 [2021-11-07 01:44:34,351 INFO L226 Difference]: Without dead ends: 10 [2021-11-07 01:44:34,352 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:44:34,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-07 01:44:34,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-07 01:44:34,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-07 01:44:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-11-07 01:44:34,357 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 7 [2021-11-07 01:44:34,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:34,358 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-07 01:44:34,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-07 01:44:34,358 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-07 01:44:34,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:44:34,359 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:34,360 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:34,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:44:34,361 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:34,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:34,365 INFO L85 PathProgramCache]: Analyzing trace with hash 924727707, now seen corresponding path program 1 times [2021-11-07 01:44:34,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:34,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177346379] [2021-11-07 01:44:34,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:34,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:44:34,550 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:34,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177346379] [2021-11-07 01:44:34,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177346379] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:44:34,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258364977] [2021-11-07 01:44:34,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:34,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:34,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:34,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:34,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:44:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:34,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-07 01:44:34,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:34,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 113 [2021-11-07 01:44:34,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:44:34,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-07 01:44:35,119 INFO L354 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2021-11-07 01:44:35,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 108 [2021-11-07 01:44:35,451 INFO L354 Elim1Store]: treesize reduction 84, result has 7.7 percent of original size [2021-11-07 01:44:35,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 123 treesize of output 81 [2021-11-07 01:44:35,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:44:35,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:35,786 INFO L354 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2021-11-07 01:44:35,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 194 treesize of output 1 [2021-11-07 01:44:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:44:35,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258364977] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:35,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1963334663] [2021-11-07 01:44:35,823 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:44:35,824 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:44:35,830 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:44:35,836 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:44:35,837 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:44:35,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:35,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:35,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:35,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:44:35,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:35,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:35,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:35,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:35,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:35,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:44:35,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-07 01:44:35,915 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|, v_prenex_1], 55=[|v_#valid_31|]} [2021-11-07 01:44:35,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:35,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 01:44:35,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:35,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:44:35,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:35,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:44:35,990 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:35,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,057 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:36,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:36,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:36,072 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:36,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,185 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:44:36,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-07 01:44:36,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:44:36,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:44:36,219 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:36,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:44:36,257 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:36,257 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:406, output treesize:150 [2021-11-07 01:44:36,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:44:36,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:44:36,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:36,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:44:36,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:36,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-07 01:44:36,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,328 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 [2021-11-07 01:44:36,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:36,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:36,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:36,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:44:36,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:36,369 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-07 01:44:36,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,515 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:36,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:36,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,540 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:44:36,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:44:36,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:44:36,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-07 01:44:36,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-07 01:44:36,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:36,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:36,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:44:36,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:44:36,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:44:36,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,614 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:36,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:36,616 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,619 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:44:36,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:44:36,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:44:36,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 374 [2021-11-07 01:44:36,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 01:44:36,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-11-07 01:44:36,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,702 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 47 treesize of output 48 [2021-11-07 01:44:36,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:36,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:36,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:36,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:36,739 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 31 treesize of output 33 [2021-11-07 01:44:36,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:44:36,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:44:36,746 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:36,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,819 INFO L180 QuantifierPusher]: treesize reduction 112, result has 78.4 percent of original size [2021-11-07 01:44:36,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 414 [2021-11-07 01:44:36,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:36,839 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:526, output treesize:414 [2021-11-07 01:44:36,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,944 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.5 percent of original size [2021-11-07 01:44:36,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:44:36,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:44:36,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:36,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:44:36,965 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 14 treesize of output 10 [2021-11-07 01:44:36,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:44:36,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:44:36,968 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:36,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:36,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:44:36,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:36,979 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:77 [2021-11-07 01:44:36,988 INFO L180 QuantifierPusher]: treesize reduction 49, result has 74.6 percent of original size [2021-11-07 01:44:36,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:44:36,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:36,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:36,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:36,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:44:37,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:37,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:37,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:37,011 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:37,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:44:37,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:44:37,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:44:37,026 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:37,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,029 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:44:37,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:37,032 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:159, output treesize:73 [2021-11-07 01:44:37,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:37,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:44:37,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-07 01:44:37,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:37,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:37,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:44:37,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:44:37,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:44:37,058 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:37,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,062 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:44:37,065 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:37,066 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:89 [2021-11-07 01:44:37,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:37,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:37,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:44:37,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:37,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:44:37,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 01:44:37,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:37,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-11-07 01:44:37,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-11-07 01:44:37,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:37,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:37,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:37,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:44:37,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:37,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:37,174 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:37,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:37,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:37,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:37,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:37,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:37,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:37,205 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,207 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 2 case distinctions, treesize of input 42 treesize of output 47 [2021-11-07 01:44:37,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:44:37,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:44:37,217 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:37,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,250 INFO L180 QuantifierPusher]: treesize reduction 111, result has 64.2 percent of original size [2021-11-07 01:44:37,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-11-07 01:44:37,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:37,254 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:321, output treesize:199 [2021-11-07 01:44:37,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,307 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:44:37,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:37,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:44:37,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:44:37,331 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-07 01:44:37,332 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 21 treesize of output 21 [2021-11-07 01:44:37,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:37,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:37,335 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:37,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:37,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:37,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:44:37,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:37,342 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-07 01:44:37,348 INFO L180 QuantifierPusher]: treesize reduction 49, result has 64.0 percent of original size [2021-11-07 01:44:37,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:44:37,357 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:44:37,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:44:37,899 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:44:37,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 12 [2021-11-07 01:44:37,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242410355] [2021-11-07 01:44:37,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 01:44:37,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:44:37,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 01:44:37,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:44:37,901 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:38,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:38,846 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2021-11-07 01:44:38,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 01:44:38,847 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-07 01:44:38,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:38,848 INFO L225 Difference]: With dead ends: 33 [2021-11-07 01:44:38,848 INFO L226 Difference]: Without dead ends: 26 [2021-11-07 01:44:38,849 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=166, Invalid=590, Unknown=0, NotChecked=0, Total=756 [2021-11-07 01:44:38,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-07 01:44:38,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 15. [2021-11-07 01:44:38,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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) [2021-11-07 01:44:38,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-11-07 01:44:38,855 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 8 [2021-11-07 01:44:38,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:38,856 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-11-07 01:44:38,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:38,856 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-11-07 01:44:38,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:44:38,856 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:38,857 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:38,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:39,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:39,081 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:39,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:39,081 INFO L85 PathProgramCache]: Analyzing trace with hash 179363066, now seen corresponding path program 2 times [2021-11-07 01:44:39,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:39,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698842732] [2021-11-07 01:44:39,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:39,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:44:39,302 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:39,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698842732] [2021-11-07 01:44:39,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698842732] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:44:39,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571910398] [2021-11-07 01:44:39,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:44:39,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:39,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:39,303 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:39,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:44:39,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:44:39,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:44:39,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:44:39,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:44:39,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:44:39,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571910398] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:39,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1546098773] [2021-11-07 01:44:39,660 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:44:39,660 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:44:39,660 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:44:39,661 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:44:39,661 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:44:39,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:39,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:39,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:39,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:44:39,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:39,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:44:39,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-07 01:44:39,683 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|, v_prenex_3], 55=[|v_#valid_32|]} [2021-11-07 01:44:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 01:44:39,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:44:39,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:44:39,741 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:39,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:39,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:39,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:39,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:39,764 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:39,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:39,771 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,843 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:44:39,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-07 01:44:39,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:44:39,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:44:39,850 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:39,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:39,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:44:39,862 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:39,862 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:406, output treesize:150 [2021-11-07 01:44:39,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:39,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:39,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:44:39,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:44:39,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:39,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:39,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:39,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:39,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:39,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:44:39,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:44:39,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:39,897 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 31 treesize of output 33 [2021-11-07 01:44:39,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:44:39,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:44:39,901 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:39,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:39,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:39,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 01:44:39,916 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:39,916 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:183, output treesize:183 [2021-11-07 01:44:39,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:39,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:39,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:44:40,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:44:40,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2021-11-07 01:44:40,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 351 [2021-11-07 01:44:40,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:44:40,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:40,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:40,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:44:40,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:44:40,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:40,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:40,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:44:40,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:40,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:40,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:44:40,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:44:40,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:44:40,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:44:40,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-07 01:44:40,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 439 [2021-11-07 01:44:40,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,157 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 53 treesize of output 51 [2021-11-07 01:44:40,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:44:40,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:44:40,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,185 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 31 treesize of output 33 [2021-11-07 01:44:40,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:44:40,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:44:40,189 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,260 INFO L180 QuantifierPusher]: treesize reduction 112, result has 78.8 percent of original size [2021-11-07 01:44:40,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 424 [2021-11-07 01:44:40,271 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:40,272 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:536, output treesize:424 [2021-11-07 01:44:40,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,355 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.5 percent of original size [2021-11-07 01:44:40,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:44:40,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:44:40,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:40,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:44:40,380 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 14 treesize of output 10 [2021-11-07 01:44:40,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:44:40,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:44:40,382 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,385 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:44:40,391 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,391 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:77 [2021-11-07 01:44:40,398 INFO L180 QuantifierPusher]: treesize reduction 49, result has 74.6 percent of original size [2021-11-07 01:44:40,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:44:40,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:40,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:44:40,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:44:40,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:44:40,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:44:40,416 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,427 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:40,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:40,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:40,429 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:44:40,435 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,435 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:159, output treesize:73 [2021-11-07 01:44:40,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:44:40,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:44:40,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:40,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2021-11-07 01:44:40,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:44:40,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:44:40,455 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,458 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:44:40,461 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,461 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:98, output treesize:84 [2021-11-07 01:44:40,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,511 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:44:40,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:44:40,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 204 [2021-11-07 01:44:40,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 01:44:40,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-07 01:44:40,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:40,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:40,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:44:40,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:40,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:40,548 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:40,569 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,569 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 2 case distinctions, treesize of input 39 treesize of output 44 [2021-11-07 01:44:40,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:44:40,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:44:40,573 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,605 INFO L180 QuantifierPusher]: treesize reduction 111, result has 63.8 percent of original size [2021-11-07 01:44:40,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-07 01:44:40,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:40,609 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:318, output treesize:196 [2021-11-07 01:44:40,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,654 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:44:40,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:40,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:44:40,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:44:40,676 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-07 01:44:40,677 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 21 treesize of output 21 [2021-11-07 01:44:40,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:40,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:40,680 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:40,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:40,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:44:40,685 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:40,685 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-07 01:44:40,691 INFO L180 QuantifierPusher]: treesize reduction 49, result has 64.0 percent of original size [2021-11-07 01:44:40,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:44:40,700 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:44:41,227 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:44:41,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:44:41,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 12 [2021-11-07 01:44:41,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531350793] [2021-11-07 01:44:41,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 01:44:41,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:44:41,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 01:44:41,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:44:41,229 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. Second operand has 13 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:42,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:42,192 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2021-11-07 01:44:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 01:44:42,192 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-07 01:44:42,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:42,193 INFO L225 Difference]: With dead ends: 39 [2021-11-07 01:44:42,193 INFO L226 Difference]: Without dead ends: 28 [2021-11-07 01:44:42,193 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-11-07 01:44:42,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-07 01:44:42,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 17. [2021-11-07 01:44:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-11-07 01:44:42,199 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2021-11-07 01:44:42,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:42,200 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-11-07 01:44:42,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:44:42,200 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-07 01:44:42,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 01:44:42,200 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:42,201 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:42,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-07 01:44:42,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-11-07 01:44:42,405 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:42,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:42,405 INFO L85 PathProgramCache]: Analyzing trace with hash -221982457, now seen corresponding path program 3 times [2021-11-07 01:44:42,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:42,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323949202] [2021-11-07 01:44:42,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:42,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:44:42,657 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:42,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323949202] [2021-11-07 01:44:42,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323949202] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:44:42,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221288235] [2021-11-07 01:44:42,657 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:44:42,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:42,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:42,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:42,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:44:42,763 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:44:42,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:44:42,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-07 01:44:42,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:42,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2021-11-07 01:44:43,165 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 63 treesize of output 62 [2021-11-07 01:44:43,395 INFO L354 Elim1Store]: treesize reduction 79, result has 8.1 percent of original size [2021-11-07 01:44:43,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 109 treesize of output 73 [2021-11-07 01:44:43,428 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:44:43,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:43,613 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:43,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 76 [2021-11-07 01:44:43,637 INFO L354 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2021-11-07 01:44:43,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 49 [2021-11-07 01:44:43,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-11-07 01:44:43,665 INFO L354 Elim1Store]: treesize reduction 25, result has 39.0 percent of original size [2021-11-07 01:44:43,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 87 [2021-11-07 01:44:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:43,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-11-07 01:44:43,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:43,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:43,725 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-07 01:44:43,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 1 [2021-11-07 01:44:43,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:43,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-11-07 01:44:43,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:43,771 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:43,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 78 [2021-11-07 01:44:43,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:43,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2021-11-07 01:44:43,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2021-11-07 01:44:43,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:43,816 INFO L354 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2021-11-07 01:44:43,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 81 [2021-11-07 01:44:43,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:44:44,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221288235] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:44,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1280256681] [2021-11-07 01:44:44,438 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:44:44,438 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:44:44,438 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:44:44,438 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:44:44,438 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:44:44,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:44,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:44:44,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:44:44,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-07 01:44:44,455 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|, v_prenex_5], 55=[|v_#valid_34|]} [2021-11-07 01:44:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 01:44:44,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:44:44,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:44:44,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:44,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:44,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:44,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:44,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:44,551 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:44,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:44,557 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,627 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:44:44,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-07 01:44:44,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:44:44,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:44:44,633 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:44,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:44,639 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:44:44,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:44,645 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:406, output treesize:150 [2021-11-07 01:44:44,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:44,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:44:44,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:44:44,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:44:44,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:44,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-07 01:44:44,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,677 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 [2021-11-07 01:44:44,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:44,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:44,680 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:44,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:44,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:44:44,694 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:44,695 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-07 01:44:44,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:44,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:44,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:44,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:44:44,802 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:44:44,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:44:44,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-07 01:44:44,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-07 01:44:44,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:44,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:44,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:44:44,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:44:44,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:44,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:44,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:44:44,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:44,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:44,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:44:44,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:44:44,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:44:44,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 374 [2021-11-07 01:44:44,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 01:44:44,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-11-07 01:44:44,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,910 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 47 treesize of output 48 [2021-11-07 01:44:44,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:44,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:44,914 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:44,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,934 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 31 treesize of output 33 [2021-11-07 01:44:44,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:44:44,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:44:44,938 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:44,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:44,997 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,014 INFO L180 QuantifierPusher]: treesize reduction 112, result has 78.4 percent of original size [2021-11-07 01:44:45,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 414 [2021-11-07 01:44:45,022 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:45,022 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:526, output treesize:414 [2021-11-07 01:44:45,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,105 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.5 percent of original size [2021-11-07 01:44:45,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:44:45,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:44:45,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:45,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:44:45,118 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 14 treesize of output 10 [2021-11-07 01:44:45,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:44:45,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:44:45,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,123 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:44:45,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,126 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:77 [2021-11-07 01:44:45,132 INFO L180 QuantifierPusher]: treesize reduction 49, result has 74.6 percent of original size [2021-11-07 01:44:45,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:44:45,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:45,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:44:45,153 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:45,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:45,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:45,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:44:45,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:44:45,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:44:45,165 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:44:45,171 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,171 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:159, output treesize:73 [2021-11-07 01:44:45,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:44:45,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:44:45,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2021-11-07 01:44:45,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:44:45,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:44:45,188 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:44:45,193 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,193 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:98, output treesize:88 [2021-11-07 01:44:45,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:45,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:44:45,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-11-07 01:44:45,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-07 01:44:45,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 236 [2021-11-07 01:44:45,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,279 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,279 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 2 case distinctions, treesize of input 43 treesize of output 44 [2021-11-07 01:44:45,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:44:45,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:44:45,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:45,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:44:45,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:45,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:45,295 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,315 INFO L180 QuantifierPusher]: treesize reduction 111, result has 64.3 percent of original size [2021-11-07 01:44:45,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:44:45,318 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:45,318 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:322, output treesize:200 [2021-11-07 01:44:45,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,354 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:44:45,356 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:44:45,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:44:45,375 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-07 01:44:45,376 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 21 treesize of output 21 [2021-11-07 01:44:45,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:45,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:45,378 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:44:45,385 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,385 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-07 01:44:45,391 INFO L180 QuantifierPusher]: treesize reduction 49, result has 64.0 percent of original size [2021-11-07 01:44:45,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:44:45,398 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:44:45,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:44:45,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:44:45,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 22 [2021-11-07 01:44:45,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753500456] [2021-11-07 01:44:45,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-07 01:44:45,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:44:45,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-07 01:44:45,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=578, Unknown=0, NotChecked=0, Total=702 [2021-11-07 01:44:45,970 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 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) [2021-11-07 01:44:48,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:48,881 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2021-11-07 01:44:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-07 01:44:48,882 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 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) Word has length 15 [2021-11-07 01:44:48,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:48,884 INFO L225 Difference]: With dead ends: 46 [2021-11-07 01:44:48,884 INFO L226 Difference]: Without dead ends: 41 [2021-11-07 01:44:48,885 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=462, Invalid=1794, Unknown=0, NotChecked=0, Total=2256 [2021-11-07 01:44:48,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-07 01:44:48,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 24. [2021-11-07 01:44:48,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 23 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) [2021-11-07 01:44:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2021-11-07 01:44:48,894 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 30 transitions. Word has length 15 [2021-11-07 01:44:48,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:48,894 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 30 transitions. [2021-11-07 01:44:48,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 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) [2021-11-07 01:44:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2021-11-07 01:44:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:44:48,895 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:48,895 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:48,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-07 01:44:49,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-11-07 01:44:49,101 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:49,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:49,101 INFO L85 PathProgramCache]: Analyzing trace with hash -885253886, now seen corresponding path program 1 times [2021-11-07 01:44:49,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:49,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579030307] [2021-11-07 01:44:49,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:49,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:49,833 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:44:49,833 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:49,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579030307] [2021-11-07 01:44:49,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579030307] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:44:49,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369834412] [2021-11-07 01:44:49,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:49,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:49,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:49,834 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:49,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 01:44:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:49,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-07 01:44:49,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:49,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 88 [2021-11-07 01:44:50,331 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 20 treesize of output 20 [2021-11-07 01:44:50,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:50,430 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-07 01:44:50,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-07 01:44:50,858 INFO L354 Elim1Store]: treesize reduction 255, result has 2.7 percent of original size [2021-11-07 01:44:50,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 132 treesize of output 76 [2021-11-07 01:44:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:44:50,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:51,166 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:51,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 542 treesize of output 486 [2021-11-07 01:44:53,596 INFO L354 Elim1Store]: treesize reduction 12, result has 7.7 percent of original size [2021-11-07 01:44:53,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-07 01:44:53,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 96 [2021-11-07 01:44:53,647 INFO L354 Elim1Store]: treesize reduction 19, result has 61.2 percent of original size [2021-11-07 01:44:53,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 364 treesize of output 318 [2021-11-07 01:44:53,833 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:53,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 542 treesize of output 486 [2021-11-07 01:45:00,572 INFO L354 Elim1Store]: treesize reduction 35, result has 10.3 percent of original size [2021-11-07 01:45:00,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 28 [2021-11-07 01:45:00,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 96 [2021-11-07 01:45:00,629 INFO L354 Elim1Store]: treesize reduction 58, result has 36.3 percent of original size [2021-11-07 01:45:00,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 223 treesize of output 203 [2021-11-07 01:45:00,979 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:45:00,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369834412] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:45:00,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1763781880] [2021-11-07 01:45:00,981 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:45:00,982 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:45:00,982 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:45:00,982 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:45:00,982 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:45:00,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:00,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:45:00,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:00,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:45:00,993 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:00,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:00,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:45:00,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-07 01:45:01,001 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|, v_prenex_7], 55=[|v_#valid_36|]} [2021-11-07 01:45:01,007 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:45:01,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:01,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:01,009 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 01:45:01,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:45:01,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:45:01,041 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,108 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:45:01,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-07 01:45:01,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:45:01,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:45:01,113 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,119 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:45:01,123 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,123 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:406, output treesize:150 [2021-11-07 01:45:01,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:01,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:01,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:45:01,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:45:01,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:45:01,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:45:01,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,162 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 31 treesize of output 33 [2021-11-07 01:45:01,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:45:01,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:45:01,165 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 01:45:01,177 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,178 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:183, output treesize:183 [2021-11-07 01:45:01,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:01,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:01,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:45:01,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:45:01,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2021-11-07 01:45:01,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 351 [2021-11-07 01:45:01,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:45:01,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,319 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:01,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:01,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:45:01,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:45:01,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:45:01,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:01,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:01,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:45:01,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:45:01,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:45:01,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:45:01,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-07 01:45:01,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 439 [2021-11-07 01:45:01,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,392 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 53 treesize of output 51 [2021-11-07 01:45:01,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:45:01,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:45:01,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,419 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 31 treesize of output 33 [2021-11-07 01:45:01,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:45:01,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:45:01,422 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,538 INFO L180 QuantifierPusher]: treesize reduction 112, result has 78.8 percent of original size [2021-11-07 01:45:01,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 424 [2021-11-07 01:45:01,545 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:45:01,545 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:536, output treesize:424 [2021-11-07 01:45:01,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,618 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.5 percent of original size [2021-11-07 01:45:01,620 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,621 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:45:01,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:45:01,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:01,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:45:01,631 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 14 treesize of output 10 [2021-11-07 01:45:01,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:45:01,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:45:01,633 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,636 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:45:01,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,640 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:77 [2021-11-07 01:45:01,645 INFO L180 QuantifierPusher]: treesize reduction 49, result has 74.6 percent of original size [2021-11-07 01:45:01,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:45:01,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:45:01,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:45:01,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:45:01,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:01,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:01,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:45:01,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:45:01,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:45:01,670 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:45:01,675 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,675 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:159, output treesize:73 [2021-11-07 01:45:01,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:45:01,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:45:01,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:45:01,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2021-11-07 01:45:01,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:45:01,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:45:01,691 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:45:01,696 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,697 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:98, output treesize:88 [2021-11-07 01:45:01,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:45:01,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:45:01,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-11-07 01:45:01,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-07 01:45:01,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 236 [2021-11-07 01:45:01,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:45:01,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:45:01,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:45:01,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:45:01,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:45:01,756 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:01,775 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,775 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 2 case distinctions, treesize of input 43 treesize of output 44 [2021-11-07 01:45:01,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:45:01,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:45:01,778 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,800 INFO L180 QuantifierPusher]: treesize reduction 111, result has 64.6 percent of original size [2021-11-07 01:45:01,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-11-07 01:45:01,802 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:45:01,802 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:322, output treesize:203 [2021-11-07 01:45:01,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,839 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:45:01,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:01,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:45:01,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:45:01,858 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-07 01:45:01,858 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 21 treesize of output 21 [2021-11-07 01:45:01,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:45:01,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:45:01,860 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,863 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:45:01,865 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:01,865 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-07 01:45:01,870 INFO L180 QuantifierPusher]: treesize reduction 49, result has 64.0 percent of original size [2021-11-07 01:45:01,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:45:01,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:01,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:45:01,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:01,907 INFO L180 QuantifierPusher]: treesize reduction 48, result has 68.6 percent of original size [2021-11-07 01:45:01,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:45:01,915 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:45:02,689 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:45:02,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:45:02,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 33 [2021-11-07 01:45:02,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114874890] [2021-11-07 01:45:02,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-07 01:45:02,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:45:02,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-07 01:45:02,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=1187, Unknown=0, NotChecked=0, Total=1406 [2021-11-07 01:45:02,692 INFO L87 Difference]: Start difference. First operand 24 states and 30 transitions. Second operand has 33 states, 33 states have (on average 1.393939393939394) internal successors, (46), 33 states have internal predecessors, (46), 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) [2021-11-07 01:45:05,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:45:05,269 INFO L93 Difference]: Finished difference Result 63 states and 71 transitions. [2021-11-07 01:45:05,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 01:45:05,269 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.393939393939394) internal successors, (46), 33 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:45:05,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:45:05,270 INFO L225 Difference]: With dead ends: 63 [2021-11-07 01:45:05,270 INFO L226 Difference]: Without dead ends: 61 [2021-11-07 01:45:05,273 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=805, Invalid=3485, Unknown=0, NotChecked=0, Total=4290 [2021-11-07 01:45:05,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-07 01:45:05,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 23. [2021-11-07 01:45:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:05,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2021-11-07 01:45:05,286 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 19 [2021-11-07 01:45:05,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:45:05,286 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2021-11-07 01:45:05,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.393939393939394) internal successors, (46), 33 states have internal predecessors, (46), 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) [2021-11-07 01:45:05,286 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2021-11-07 01:45:05,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:45:05,287 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:45:05,287 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 1, 1, 1, 1, 1] [2021-11-07 01:45:05,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:45:05,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98 [2021-11-07 01:45:05,500 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:45:05,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:45:05,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1494188293, now seen corresponding path program 2 times [2021-11-07 01:45:05,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:45:05,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386261686] [2021-11-07 01:45:05,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:05,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:45:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:45:06,568 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:45:06,568 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:45:06,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386261686] [2021-11-07 01:45:06,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386261686] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:45:06,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423386815] [2021-11-07 01:45:06,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:45:06,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:45:06,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:45:06,570 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:45:06,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 01:45:06,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-07 01:45:06,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:45:06,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-07 01:45:06,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:45:06,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 67 [2021-11-07 01:45:07,195 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 36 treesize of output 35 [2021-11-07 01:45:07,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:07,412 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-07 01:45:07,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 62 [2021-11-07 01:45:07,644 INFO L354 Elim1Store]: treesize reduction 104, result has 15.4 percent of original size [2021-11-07 01:45:07,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 156 treesize of output 167 [2021-11-07 01:45:13,212 INFO L354 Elim1Store]: treesize reduction 562, result has 1.2 percent of original size [2021-11-07 01:45:13,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 249 treesize of output 168 [2021-11-07 01:45:13,306 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:45:13,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:45:14,697 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12938 treesize of output 11346 [2021-11-07 01:45:14,779 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-07 01:45:14,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [724832570] [2021-11-07 01:45:14,782 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:45:14,782 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:45:14,782 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:45:14,782 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:45:14,783 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:45:14,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,788 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:14,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:45:14,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:14,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:45:14,791 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:14,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:45:14,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-07 01:45:14,797 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_9, |v_#length_18|], 55=[|v_#valid_38|]} [2021-11-07 01:45:14,803 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:45:14,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:14,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:14,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:14,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:14,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 01:45:14,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:45:14,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:45:14,839 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:14,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:14,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,911 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:45:14,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-07 01:45:14,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:45:14,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:45:14,917 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:14,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:14,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:45:14,927 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:14,928 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:406, output treesize:150 [2021-11-07 01:45:14,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:14,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,934 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:14,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:45:14,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:45:14,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:14,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:14,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:45:14,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:45:14,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:14,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:45:14,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-07 01:45:14,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:14,957 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 [2021-11-07 01:45:14,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:14,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:14,960 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:14,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:14,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:14,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:45:14,974 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:14,974 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-07 01:45:14,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:14,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:15,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:15,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:45:15,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:45:15,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:45:15,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-07 01:45:15,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-07 01:45:15,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:15,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:15,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:45:15,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:45:15,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:45:15,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:15,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:15,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:45:15,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:45:15,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:45:15,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 374 [2021-11-07 01:45:15,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 01:45:15,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-11-07 01:45:15,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,159 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 31 treesize of output 33 [2021-11-07 01:45:15,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:45:15,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:45:15,162 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,185 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 47 treesize of output 48 [2021-11-07 01:45:15,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:45:15,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:45:15,188 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,225 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,239 INFO L180 QuantifierPusher]: treesize reduction 112, result has 78.4 percent of original size [2021-11-07 01:45:15,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 414 [2021-11-07 01:45:15,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:45:15,246 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:526, output treesize:414 [2021-11-07 01:45:15,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,310 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.5 percent of original size [2021-11-07 01:45:15,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,313 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:45:15,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:45:15,314 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:15,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:45:15,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-07 01:45:15,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:45:15,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:45:15,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:45:15,330 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,330 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:77 [2021-11-07 01:45:15,336 INFO L180 QuantifierPusher]: treesize reduction 49, result has 74.6 percent of original size [2021-11-07 01:45:15,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:45:15,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:45:15,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:45:15,349 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:45:15,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:15,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:15,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:45:15,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:45:15,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:45:15,360 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:45:15,364 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,364 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:159, output treesize:73 [2021-11-07 01:45:15,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:45:15,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:45:15,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,377 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 38 treesize of output 27 [2021-11-07 01:45:15,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:15,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:15,379 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:45:15,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,384 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:101, output treesize:87 [2021-11-07 01:45:15,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:45:15,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:45:15,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-07 01:45:15,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-11-07 01:45:15,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-11-07 01:45:15,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,474 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,474 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 2 case distinctions, treesize of input 45 treesize of output 50 [2021-11-07 01:45:15,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:45:15,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:45:15,477 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:45:15,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:15,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:45:15,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:45:15,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:45:15,489 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,501 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,506 INFO L180 QuantifierPusher]: treesize reduction 106, result has 64.8 percent of original size [2021-11-07 01:45:15,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-07 01:45:15,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:45:15,509 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:319, output treesize:195 [2021-11-07 01:45:15,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,540 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:45:15,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:15,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:45:15,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:45:15,562 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-07 01:45:15,562 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 21 treesize of output 21 [2021-11-07 01:45:15,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:45:15,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:45:15,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:45:15,569 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:15,569 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-07 01:45:15,574 INFO L180 QuantifierPusher]: treesize reduction 49, result has 64.0 percent of original size [2021-11-07 01:45:15,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:45:15,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:15,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-07 01:45:15,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:15,612 INFO L180 QuantifierPusher]: treesize reduction 48, result has 68.6 percent of original size [2021-11-07 01:45:15,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:45:15,621 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:45:16,318 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:45:16,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-07 01:45:16,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-11-07 01:45:16,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867686149] [2021-11-07 01:45:16,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-07 01:45:16,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:45:16,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 01:45:16,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1105, Unknown=1, NotChecked=0, Total=1260 [2021-11-07 01:45:16,320 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 17 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) [2021-11-07 01:45:18,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:45:18,343 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2021-11-07 01:45:18,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 01:45:18,344 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 17 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) Word has length 22 [2021-11-07 01:45:18,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:45:18,345 INFO L225 Difference]: With dead ends: 66 [2021-11-07 01:45:18,345 INFO L226 Difference]: Without dead ends: 64 [2021-11-07 01:45:18,347 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 31 SyntacticMatches, 7 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=407, Invalid=3251, Unknown=2, NotChecked=0, Total=3660 [2021-11-07 01:45:18,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-07 01:45:18,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 27. [2021-11-07 01:45:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 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) [2021-11-07 01:45:18,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-11-07 01:45:18,363 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 22 [2021-11-07 01:45:18,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:45:18,364 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-11-07 01:45:18,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 17 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) [2021-11-07 01:45:18,364 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-07 01:45:18,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:45:18,365 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:45:18,365 INFO L513 BasicCegarLoop]: trace histogram [6, 5, 3, 2, 2, 1, 1, 1, 1, 1] [2021-11-07 01:45:18,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:45:18,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable139 [2021-11-07 01:45:18,593 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:45:18,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:45:18,593 INFO L85 PathProgramCache]: Analyzing trace with hash 2032375079, now seen corresponding path program 3 times [2021-11-07 01:45:18,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:45:18,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736320437] [2021-11-07 01:45:18,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:18,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:45:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:45:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-07 01:45:18,805 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:45:18,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736320437] [2021-11-07 01:45:18,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736320437] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:45:18,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328739312] [2021-11-07 01:45:18,805 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:45:18,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:45:18,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:45:18,806 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:45:18,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 01:45:19,163 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:45:19,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:45:19,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-07 01:45:19,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:45:19,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 67 [2021-11-07 01:45:19,499 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 20 treesize of output 20 [2021-11-07 01:45:19,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:19,592 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-07 01:45:19,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 50 [2021-11-07 01:45:19,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:19,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:19,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:19,725 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-11-07 01:45:19,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 72 [2021-11-07 01:45:20,783 INFO L354 Elim1Store]: treesize reduction 487, result has 1.4 percent of original size [2021-11-07 01:45:20,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 175 treesize of output 103 [2021-11-07 01:45:20,814 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:45:20,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:45:22,135 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42022 treesize of output 36910 [2021-11-07 01:45:22,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-07 01:45:22,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [907345465] [2021-11-07 01:45:22,281 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:45:22,281 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:45:22,281 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:45:22,282 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:45:22,282 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:45:22,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:45:22,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:45:22,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:45:22,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-07 01:45:22,298 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_19|, v_prenex_11], 55=[|v_#valid_40|]} [2021-11-07 01:45:22,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 01:45:22,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:45:22,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:45:22,352 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,363 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,371 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:45:22,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:22,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:22,373 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,446 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:45:22,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-07 01:45:22,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:45:22,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:45:22,451 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,475 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:45:22,486 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,486 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:406, output treesize:150 [2021-11-07 01:45:22,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:45:22,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:45:22,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:45:22,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:45:22,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:45:22,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-07 01:45:22,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,514 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 [2021-11-07 01:45:22,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:22,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:22,518 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:45:22,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,530 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-07 01:45:22,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,597 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:45:22,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:45:22,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:45:22,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-07 01:45:22,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-07 01:45:22,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:22,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:22,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:45:22,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:45:22,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:22,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:22,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:45:22,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:22,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:45:22,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:45:22,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:45:22,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:45:22,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 374 [2021-11-07 01:45:22,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 01:45:22,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-11-07 01:45:22,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,700 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 31 treesize of output 33 [2021-11-07 01:45:22,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:45:22,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:45:22,702 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,730 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 47 treesize of output 48 [2021-11-07 01:45:22,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:45:22,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:45:22,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,769 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,782 INFO L180 QuantifierPusher]: treesize reduction 112, result has 78.4 percent of original size [2021-11-07 01:45:22,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 414 [2021-11-07 01:45:22,788 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:45:22,789 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:526, output treesize:414 [2021-11-07 01:45:22,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,849 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.5 percent of original size [2021-11-07 01:45:22,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:45:22,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:45:22,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:45:22,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:45:22,861 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 14 treesize of output 10 [2021-11-07 01:45:22,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:45:22,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:45:22,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:45:22,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,868 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:77 [2021-11-07 01:45:22,873 INFO L180 QuantifierPusher]: treesize reduction 49, result has 74.6 percent of original size [2021-11-07 01:45:22,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:45:22,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:45:22,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:45:22,886 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:45:22,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:22,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:45:22,888 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:45:22,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:45:22,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:45:22,896 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:45:22,923 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,923 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:159, output treesize:73 [2021-11-07 01:45:22,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:45:22,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-07 01:45:22,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:45:22,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:45:22,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:45:22,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:45:22,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:45:22,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:22,943 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:96 [2021-11-07 01:45:22,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:22,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,972 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:45:22,974 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:45:22,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-11-07 01:45:22,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:22,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:22,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-07 01:45:22,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-07 01:45:22,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:22,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:23,000 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:23,001 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 2 case distinctions, treesize of input 49 treesize of output 47 [2021-11-07 01:45:23,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:23,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:45:23,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:23,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:45:23,004 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:23,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:45:23,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:23,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:45:23,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:23,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:45:23,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:23,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:45:23,016 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:23,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,029 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:23,034 INFO L180 QuantifierPusher]: treesize reduction 111, result has 63.4 percent of original size [2021-11-07 01:45:23,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-07 01:45:23,037 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:45:23,037 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:328, output treesize:192 [2021-11-07 01:45:23,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,065 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:45:23,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:45:23,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:23,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:45:23,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:45:23,086 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-07 01:45:23,087 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 21 treesize of output 21 [2021-11-07 01:45:23,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:23,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:45:23,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:23,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:45:23,089 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:45:23,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:23,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:23,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:45:23,093 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:45:23,093 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-07 01:45:23,099 INFO L180 QuantifierPusher]: treesize reduction 49, result has 64.0 percent of original size [2021-11-07 01:45:23,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:45:23,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:23,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:45:23,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:45:23,135 INFO L180 QuantifierPusher]: treesize reduction 48, result has 68.6 percent of original size [2021-11-07 01:45:23,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:45:23,145 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:45:23,818 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:45:23,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-07 01:45:23,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-11-07 01:45:23,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570538877] [2021-11-07 01:45:23,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 01:45:23,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:45:23,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 01:45:23,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=879, Unknown=0, NotChecked=0, Total=992 [2021-11-07 01:45:23,820 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) [2021-11-07 01:45:24,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:45:24,010 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2021-11-07 01:45:24,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:45:24,011 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-07 01:45:24,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:45:24,011 INFO L225 Difference]: With dead ends: 43 [2021-11-07 01:45:24,011 INFO L226 Difference]: Without dead ends: 32 [2021-11-07 01:45:24,012 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=161, Invalid=1245, Unknown=0, NotChecked=0, Total=1406 [2021-11-07 01:45:24,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-07 01:45:24,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2021-11-07 01:45:24,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 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) [2021-11-07 01:45:24,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-11-07 01:45:24,023 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 23 [2021-11-07 01:45:24,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:45:24,023 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-11-07 01:45:24,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) [2021-11-07 01:45:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-11-07 01:45:24,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:45:24,024 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:45:24,024 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 3, 1, 1, 1, 1, 1] [2021-11-07 01:45:24,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:45:24,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:45:24,225 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:45:24,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:45:24,226 INFO L85 PathProgramCache]: Analyzing trace with hash -317248926, now seen corresponding path program 4 times [2021-11-07 01:45:24,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:45:24,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626313316] [2021-11-07 01:45:24,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:24,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:45:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:45:24,942 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:45:24,942 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:45:24,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626313316] [2021-11-07 01:45:24,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626313316] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:45:24,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409513878] [2021-11-07 01:45:24,943 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:45:24,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:45:24,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:45:24,951 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:45:24,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 01:45:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:45:25,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-07 01:45:25,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:45:25,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2021-11-07 01:45:25,607 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 21 treesize of output 21 [2021-11-07 01:45:25,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,709 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 0 case distinctions, treesize of input 39 treesize of output 44 [2021-11-07 01:45:25,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 64 [2021-11-07 01:45:25,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:45:25,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2021-11-07 01:45:26,876 INFO L354 Elim1Store]: treesize reduction 582, result has 1.2 percent of original size [2021-11-07 01:45:26,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 156 treesize of output 82 [2021-11-07 01:45:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:45:26,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:45:27,561 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:45:27,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1606562 treesize of output 1409962 [2021-11-07 01:45:40,208 WARN L207 SmtUtils]: Spent 10.15 s on a formula simplification. DAG size of input: 769 DAG size of output: 769 [2021-11-07 01:45:53,418 WARN L207 SmtUtils]: Spent 8.82 s on a formula simplification. DAG size of input: 769 DAG size of output: 769 [2021-11-07 01:45:56,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:45:56,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:45:56,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:45:56,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:45:56,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:45:56,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:45:56,707 INFO L354 Elim1Store]: treesize reduction 38, result has 47.2 percent of original size [2021-11-07 01:45:56,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 3333042 treesize of output 2790355 [2021-11-07 01:47:58,054 WARN L207 SmtUtils]: Spent 2.02 m on a formula simplification. DAG size of input: 1865 DAG size of output: 1539 [2021-11-07 01:47:58,066 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-07 01:47:58,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [355738512] [2021-11-07 01:47:58,068 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:47:58,068 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:58,068 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:58,068 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:58,069 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:58,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:58,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:47:58,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:47:58,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-07 01:47:58,090 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_13, |v_#length_20|], 55=[|v_#valid_42|]} [2021-11-07 01:47:58,097 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:47:58,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:58,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:58,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 01:47:58,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:47:58,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:47:58,132 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,207 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:47:58,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-07 01:47:58,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:58,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:58,212 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:47:58,221 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,222 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:406, output treesize:150 [2021-11-07 01:47:58,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:47:58,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:58,229 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:47:58,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:58,232 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:47:58,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:47:58,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,250 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 31 treesize of output 33 [2021-11-07 01:47:58,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:47:58,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:47:58,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,259 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 01:47:58,265 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,265 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:183, output treesize:183 [2021-11-07 01:47:58,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:47:58,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:58,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:47:58,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:47:58,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2021-11-07 01:47:58,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 351 [2021-11-07 01:47:58,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:47:58,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:47:58,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:58,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:47:58,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:47:58,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:47:58,377 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:47:58,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:58,380 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,381 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:47:58,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:58,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:47:58,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:47:58,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-07 01:47:58,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 439 [2021-11-07 01:47:58,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,424 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 31 treesize of output 33 [2021-11-07 01:47:58,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:47:58,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:47:58,427 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,450 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 53 treesize of output 51 [2021-11-07 01:47:58,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:58,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:58,453 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,486 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,499 INFO L180 QuantifierPusher]: treesize reduction 112, result has 78.8 percent of original size [2021-11-07 01:47:58,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 424 [2021-11-07 01:47:58,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:58,506 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:536, output treesize:424 [2021-11-07 01:47:58,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,560 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.5 percent of original size [2021-11-07 01:47:58,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,563 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:47:58,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:58,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:47:58,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:47:58,572 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 14 treesize of output 10 [2021-11-07 01:47:58,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:47:58,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:47:58,574 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:47:58,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,580 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:77 [2021-11-07 01:47:58,587 INFO L180 QuantifierPusher]: treesize reduction 49, result has 74.6 percent of original size [2021-11-07 01:47:58,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:47:58,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:58,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:47:58,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:47:58,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:58,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:58,602 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:47:58,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:47:58,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:47:58,611 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:47:58,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,615 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:159, output treesize:73 [2021-11-07 01:47:58,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:58,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-07 01:47:58,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,628 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 35 treesize of output 24 [2021-11-07 01:47:58,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:58,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:58,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,632 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 01:47:58,634 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,634 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:82 [2021-11-07 01:47:58,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:47:58,680 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:47:58,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-07 01:47:58,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:47:58,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-11-07 01:47:58,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:58,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:58,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:47:58,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:58,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:58,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:58,721 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,722 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 2 case distinctions, treesize of input 42 treesize of output 47 [2021-11-07 01:47:58,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:47:58,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:47:58,725 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,738 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,742 INFO L180 QuantifierPusher]: treesize reduction 106, result has 65.2 percent of original size [2021-11-07 01:47:58,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-11-07 01:47:58,745 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:58,745 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:316, output treesize:199 [2021-11-07 01:47:58,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,783 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:47:58,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:58,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:58,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:47:58,803 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-07 01:47:58,803 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 21 treesize of output 21 [2021-11-07 01:47:58,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:58,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:58,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:47:58,809 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:58,809 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-07 01:47:58,814 INFO L180 QuantifierPusher]: treesize reduction 49, result has 64.0 percent of original size [2021-11-07 01:47:58,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:47:58,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:58,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:47:58,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:58,858 INFO L180 QuantifierPusher]: treesize reduction 48, result has 68.6 percent of original size [2021-11-07 01:47:58,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:47:58,867 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:59,571 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:59,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-07 01:47:59,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-11-07 01:47:59,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072078771] [2021-11-07 01:47:59,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-07 01:47:59,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:59,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 01:47:59,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=1783, Unknown=0, NotChecked=0, Total=2070 [2021-11-07 01:47:59,573 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:48:00,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:00,830 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-11-07 01:48:00,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 01:48:00,831 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:48:00,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:00,832 INFO L225 Difference]: With dead ends: 48 [2021-11-07 01:48:00,832 INFO L226 Difference]: Without dead ends: 46 [2021-11-07 01:48:00,833 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1199 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=558, Invalid=3102, Unknown=0, NotChecked=0, Total=3660 [2021-11-07 01:48:00,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-07 01:48:00,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 29. [2021-11-07 01:48:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 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) [2021-11-07 01:48:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2021-11-07 01:48:00,859 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 25 [2021-11-07 01:48:00,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:00,860 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2021-11-07 01:48:00,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:48:00,860 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2021-11-07 01:48:00,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 01:48:00,861 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:00,861 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1] [2021-11-07 01:48:00,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:01,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:48:01,084 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:01,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:01,085 INFO L85 PathProgramCache]: Analyzing trace with hash 2065396123, now seen corresponding path program 5 times [2021-11-07 01:48:01,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:48:01,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588400276] [2021-11-07 01:48:01,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:01,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:48:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:02,284 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:02,284 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:48:02,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588400276] [2021-11-07 01:48:02,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588400276] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:48:02,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869699588] [2021-11-07 01:48:02,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:48:02,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:48:02,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:48:02,286 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:48:02,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 01:48:02,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-07 01:48:02,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:48:02,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-07 01:48:02,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:02,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 67 [2021-11-07 01:48:02,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-07 01:48:03,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:48:03,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,121 INFO L354 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2021-11-07 01:48:03,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 68 [2021-11-07 01:48:03,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,251 INFO L354 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2021-11-07 01:48:03,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 91 [2021-11-07 01:48:03,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,375 INFO L354 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2021-11-07 01:48:03,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 114 [2021-11-07 01:48:03,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,556 INFO L354 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2021-11-07 01:48:03,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 2 case distinctions, treesize of input 111 treesize of output 134 [2021-11-07 01:48:03,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:03,769 INFO L354 Elim1Store]: treesize reduction 330, result has 0.3 percent of original size [2021-11-07 01:48:03,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 11 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 169 treesize of output 198 [2021-11-07 01:48:05,334 INFO L354 Elim1Store]: treesize reduction 820, result has 0.8 percent of original size [2021-11-07 01:48:05,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 10 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 178 treesize of output 88 [2021-11-07 01:48:05,365 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:48:05,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:07,072 INFO L354 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2021-11-07 01:48:07,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 1759 treesize of output 1 [2021-11-07 01:48:07,082 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:48:07,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869699588] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:48:07,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [471294668] [2021-11-07 01:48:07,084 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:48:07,084 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:48:07,084 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:48:07,084 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:48:07,084 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:48:07,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:48:07,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:48:07,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:48:07,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-07 01:48:07,099 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|, v_prenex_15], 55=[|v_#valid_44|]} [2021-11-07 01:48:07,105 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:48:07,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:07,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:07,106 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 01:48:07,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:48:07,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:48:07,132 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,184 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:48:07,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-07 01:48:07,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:48:07,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:48:07,188 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:48:07,199 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,199 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:406, output treesize:150 [2021-11-07 01:48:07,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,203 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:48:07,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:07,205 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,206 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:48:07,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:48:07,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:48:07,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-07 01:48:07,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,238 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 [2021-11-07 01:48:07,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:48:07,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:48:07,240 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,246 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:48:07,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,252 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-07 01:48:07,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,315 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,327 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:48:07,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:48:07,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:48:07,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-07 01:48:07,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-07 01:48:07,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:48:07,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:48:07,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:48:07,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:48:07,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,361 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:48:07,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:48:07,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:48:07,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:48:07,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:48:07,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:48:07,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:48:07,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:48:07,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 374 [2021-11-07 01:48:07,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 01:48:07,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-11-07 01:48:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,410 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 31 treesize of output 33 [2021-11-07 01:48:07,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:48:07,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:48:07,412 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,433 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 47 treesize of output 48 [2021-11-07 01:48:07,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:48:07,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:48:07,436 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,480 INFO L180 QuantifierPusher]: treesize reduction 112, result has 78.4 percent of original size [2021-11-07 01:48:07,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 414 [2021-11-07 01:48:07,487 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:48:07,488 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:526, output treesize:414 [2021-11-07 01:48:07,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,573 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.5 percent of original size [2021-11-07 01:48:07,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:48:07,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:48:07,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:48:07,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:48:07,586 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 14 treesize of output 10 [2021-11-07 01:48:07,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:48:07,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:48:07,588 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:48:07,598 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,599 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:77 [2021-11-07 01:48:07,603 INFO L180 QuantifierPusher]: treesize reduction 49, result has 74.6 percent of original size [2021-11-07 01:48:07,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:48:07,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:48:07,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:48:07,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:48:07,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:48:07,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:48:07,618 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,622 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:48:07,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:07,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:07,629 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:48:07,632 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,633 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:159, output treesize:73 [2021-11-07 01:48:07,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:48:07,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-07 01:48:07,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:48:07,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:48:07,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:48:07,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:48:07,647 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:48:07,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,651 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:96 [2021-11-07 01:48:07,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,676 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:48:07,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:48:07,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-11-07 01:48:07,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-07 01:48:07,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-07 01:48:07,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:48:07,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:48:07,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:48:07,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:07,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:07,699 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:07,715 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,715 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 2 case distinctions, treesize of input 49 treesize of output 47 [2021-11-07 01:48:07,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:48:07,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:48:07,718 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,734 INFO L180 QuantifierPusher]: treesize reduction 111, result has 64.2 percent of original size [2021-11-07 01:48:07,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-11-07 01:48:07,736 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:48:07,737 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:328, output treesize:199 [2021-11-07 01:48:07,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,763 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:48:07,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:07,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:07,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:48:07,781 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-07 01:48:07,782 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 21 treesize of output 21 [2021-11-07 01:48:07,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:48:07,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:48:07,784 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:48:07,788 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:07,788 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-07 01:48:07,794 INFO L180 QuantifierPusher]: treesize reduction 49, result has 64.0 percent of original size [2021-11-07 01:48:07,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:48:07,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:07,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:48:07,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:07,824 INFO L180 QuantifierPusher]: treesize reduction 48, result has 68.6 percent of original size [2021-11-07 01:48:07,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:48:07,833 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:48:08,743 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:48:08,744 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:48:08,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 14] total 43 [2021-11-07 01:48:08,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395639485] [2021-11-07 01:48:08,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-07 01:48:08,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:48:08,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-07 01:48:08,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=1945, Unknown=0, NotChecked=0, Total=2256 [2021-11-07 01:48:08,746 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 43 states, 43 states have (on average 1.697674418604651) internal successors, (73), 43 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:48:19,092 WARN L207 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 169 DAG size of output: 141 [2021-11-07 01:48:30,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:30,200 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2021-11-07 01:48:30,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 01:48:30,200 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 1.697674418604651) internal successors, (73), 43 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-07 01:48:30,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:30,201 INFO L225 Difference]: With dead ends: 47 [2021-11-07 01:48:30,201 INFO L226 Difference]: Without dead ends: 45 [2021-11-07 01:48:30,203 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1182 ImplicationChecksByTransitivity, 23.3s TimeCoverageRelationStatistics Valid=670, Invalid=3362, Unknown=0, NotChecked=0, Total=4032 [2021-11-07 01:48:30,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-07 01:48:30,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 32. [2021-11-07 01:48:30,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.064516129032258) internal successors, (33), 31 states have internal predecessors, (33), 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) [2021-11-07 01:48:30,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2021-11-07 01:48:30,219 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 28 [2021-11-07 01:48:30,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:30,219 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2021-11-07 01:48:30,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.697674418604651) internal successors, (73), 43 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:48:30,220 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2021-11-07 01:48:30,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:48:30,220 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:30,221 INFO L513 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 1, 1, 1, 1, 1] [2021-11-07 01:48:30,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:30,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:48:30,425 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:30,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:30,425 INFO L85 PathProgramCache]: Analyzing trace with hash 519549890, now seen corresponding path program 6 times [2021-11-07 01:48:30,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:48:30,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784910339] [2021-11-07 01:48:30,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:30,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:48:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-07 01:48:30,603 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:48:30,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784910339] [2021-11-07 01:48:30,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784910339] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:48:30,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683388972] [2021-11-07 01:48:30,603 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:48:30,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:48:30,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:48:30,605 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:48:30,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 01:48:31,238 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:48:31,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:48:31,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 01:48:31,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-07 01:48:31,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-07 01:48:31,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683388972] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:48:31,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1711458808] [2021-11-07 01:48:31,601 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:48:31,601 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:48:31,601 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:48:31,601 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:48:31,602 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:48:31,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:48:31,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:48:31,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:48:31,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-07 01:48:31,613 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_22|, v_prenex_17], 55=[|v_#valid_45|]} [2021-11-07 01:48:31,618 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:48:31,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:31,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:31,619 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:31,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:31,622 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 01:48:31,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:48:31,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:48:31,643 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:31,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:31,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,692 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:48:31,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-07 01:48:31,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:48:31,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:48:31,697 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:31,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:31,702 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:48:31,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:31,706 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:406, output treesize:150 [2021-11-07 01:48:31,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,712 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:48:31,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:48:31,713 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,713 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:48:31,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:48:31,715 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:48:31,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:48:31,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,728 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 31 treesize of output 33 [2021-11-07 01:48:31,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:48:31,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:48:31,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:31,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:31,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 01:48:31,749 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:31,749 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:183, output treesize:183 [2021-11-07 01:48:31,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:31,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:31,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:31,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:48:31,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:48:31,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,827 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:48:31,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:48:31,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2021-11-07 01:48:31,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 351 [2021-11-07 01:48:31,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:48:31,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:48:31,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:48:31,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:48:31,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:48:31,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:48:31,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:48:31,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:48:31,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:48:31,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:48:31,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:48:31,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:48:31,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:31,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-07 01:48:31,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 439 [2021-11-07 01:48:31,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,916 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 31 treesize of output 33 [2021-11-07 01:48:31,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:48:31,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:48:31,919 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:31,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:31,943 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 53 treesize of output 51 [2021-11-07 01:48:31,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:48:31,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:48:31,946 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:31,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:31,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:31,984 INFO L180 QuantifierPusher]: treesize reduction 112, result has 78.8 percent of original size [2021-11-07 01:48:31,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 424 [2021-11-07 01:48:31,992 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:48:31,992 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:536, output treesize:424 [2021-11-07 01:48:32,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,049 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.5 percent of original size [2021-11-07 01:48:32,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:32,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:32,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:48:32,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:48:32,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:32,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:48:32,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:48:32,061 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 14 treesize of output 10 [2021-11-07 01:48:32,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:48:32,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:48:32,063 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:32,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:48:32,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:32,068 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:77 [2021-11-07 01:48:32,074 INFO L180 QuantifierPusher]: treesize reduction 49, result has 74.6 percent of original size [2021-11-07 01:48:32,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:32,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:48:32,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:32,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:48:32,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:48:32,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:48:32,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:32,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:32,088 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:32,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:48:32,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:48:32,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:48:32,097 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:32,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:48:32,101 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:32,101 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:159, output treesize:73 [2021-11-07 01:48:32,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:32,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:48:32,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-07 01:48:32,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:48:32,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:32,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:48:32,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:48:32,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:48:32,117 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:32,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:48:32,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:32,122 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:96 [2021-11-07 01:48:32,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:32,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:32,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:48:32,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:32,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:48:32,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-11-07 01:48:32,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:32,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-07 01:48:32,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-07 01:48:32,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:32,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:32,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:32,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:32,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:32,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:32,212 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,212 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 2 case distinctions, treesize of input 49 treesize of output 47 [2021-11-07 01:48:32,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:48:32,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:48:32,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:32,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:48:32,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:32,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2021-11-07 01:48:32,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:48:32,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:48:32,228 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:32,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,245 INFO L180 QuantifierPusher]: treesize reduction 111, result has 65.0 percent of original size [2021-11-07 01:48:32,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 206 [2021-11-07 01:48:32,248 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:48:32,248 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:328, output treesize:206 [2021-11-07 01:48:32,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,280 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:48:32,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:32,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:32,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:48:32,300 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-11-07 01:48:32,301 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 21 treesize of output 21 [2021-11-07 01:48:32,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:48:32,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:48:32,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:32,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:48:32,312 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:32,313 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2021-11-07 01:48:32,318 INFO L180 QuantifierPusher]: treesize reduction 49, result has 64.0 percent of original size [2021-11-07 01:48:32,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:48:32,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:32,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-07 01:48:32,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:32,352 INFO L180 QuantifierPusher]: treesize reduction 48, result has 68.6 percent of original size [2021-11-07 01:48:32,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:48:32,362 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:48:32,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:48:32,961 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:48:32,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2021-11-07 01:48:32,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831774892] [2021-11-07 01:48:32,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-07 01:48:32,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:48:32,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-07 01:48:32,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2021-11-07 01:48:32,963 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 23 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 22 states have internal predecessors, (65), 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) [2021-11-07 01:48:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:33,138 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2021-11-07 01:48:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:48:33,138 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 22 states have internal predecessors, (65), 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 31 [2021-11-07 01:48:33,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:33,139 INFO L225 Difference]: With dead ends: 55 [2021-11-07 01:48:33,139 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:48:33,140 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=157, Invalid=655, Unknown=0, NotChecked=0, Total=812 [2021-11-07 01:48:33,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:48:33,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:48:33,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-07 01:48:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:48:33,141 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-11-07 01:48:33,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:33,141 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:48:33,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 22 states have internal predecessors, (65), 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) [2021-11-07 01:48:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:48:33,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:48:33,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:48:33,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-11-07 01:48:33,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable303 [2021-11-07 01:48:33,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:48:33,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:33,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:44,656 INFO L857 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2021-11-07 01:48:44,656 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:48:44,657 INFO L853 garLoopResultBuilder]: At program point L32-3(lines 32 35) the Hoare annotation is: (let ((.cse44 (+ 4294967295 ULTIMATE.start_main_~max~0))) (let ((.cse46 (div .cse44 4294967296)) (.cse19 (select |#memory_int| |ULTIMATE.start_main_~#str1~0.base|)) (.cse37 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0))) (let ((.cse41 (+ |ULTIMATE.start_main_~#str2~0.offset| ULTIMATE.start_main_~j~0)) (.cse42 (select .cse19 .cse37)) (.cse33 (mod .cse44 4294967296)) (.cse45 (* 4294967296 .cse46)) (.cse23 (select |#memory_int| |ULTIMATE.start_main_~#str2~0.base|))) (let ((.cse28 (select .cse23 (+ |ULTIMATE.start_main_~#str2~0.offset| 1))) (.cse31 (+ ULTIMATE.start_main_~i~0 .cse45)) (.cse36 (+ ULTIMATE.start_main_~j~0 3)) (.cse38 (<= 1 ULTIMATE.start_main_~i~0)) (.cse34 (+ ULTIMATE.start_main_~j~0 2)) (.cse40 (+ |ULTIMATE.start_main_~#str2~0.offset| .cse33)) (.cse43 (select .cse19 (+ |ULTIMATE.start_main_~#str1~0.offset| .cse33))) (.cse27 (select .cse23 |ULTIMATE.start_main_~#str2~0.offset|)) (.cse39 (store .cse23 .cse41 .cse42)) (.cse24 (* .cse46 (- 4294967296))) (.cse25 (select .cse19 1)) (.cse22 (select .cse23 (+ |ULTIMATE.start_main_~#str2~0.offset| 3)))) (let ((.cse30 (= .cse22 (select .cse19 (+ |ULTIMATE.start_main_~#str1~0.offset| .cse33 (- 3))))) (.cse17 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse2 (or (<= 1 .cse37) (= (select .cse39 (+ (* ULTIMATE.start_main_~i~0 (- 1)) |ULTIMATE.start_main_~#str1~0.offset| 4294967294 ULTIMATE.start_main_~max~0 .cse24)) .cse25))) (.cse8 (= 5 ULTIMATE.start_main_~max~0)) (.cse11 (= .cse43 .cse27)) (.cse21 (select .cse23 (+ |ULTIMATE.start_main_~#str2~0.offset| 2))) (.cse16 (= .cse44 (+ ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~i~0 .cse45))) (.cse0 (or (<= 2 ULTIMATE.start_main_~i~0) (= (+ ULTIMATE.start_main_~j~0 1) .cse33) (< ULTIMATE.start_main_~i~0 1))) (.cse1 (or (= (select .cse19 |ULTIMATE.start_main_~#str1~0.offset|) (select .cse23 .cse40)) (<= 0 ULTIMATE.start_main_~i~0))) (.cse3 (or (= .cse34 .cse33) (<= 3 ULTIMATE.start_main_~i~0) (< ULTIMATE.start_main_~i~0 2))) (.cse4 (or (= ULTIMATE.start_main_~j~0 .cse33) .cse38)) (.cse5 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse6 (or (<= 4 ULTIMATE.start_main_~i~0) (= .cse33 .cse36) (< ULTIMATE.start_main_~i~0 3))) (.cse7 (= .cse43 0)) (.cse9 (<= 4294967296 .cse31)) (.cse10 (= |ULTIMATE.start_main_~#str1~0.offset| 0)) (.cse12 (not (= |ULTIMATE.start_main_~#str1~0.base| |ULTIMATE.start_main_~#str2~0.base|))) (.cse13 (= (select .cse19 (+ |ULTIMATE.start_main_~#str1~0.offset| .cse33 (- 4))) (select .cse23 (+ |ULTIMATE.start_main_~#str2~0.offset| 4)))) (.cse29 (select .cse19 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0 3))) (.cse14 (= |ULTIMATE.start_main_~#str2~0.offset| 0)) (.cse15 (= .cse28 (select .cse19 (+ (- 1) |ULTIMATE.start_main_~#str1~0.offset| .cse33)))) (.cse26 (= (select .cse23 .cse41) .cse42)) (.cse18 (or .cse38 (< ULTIMATE.start_main_~i~0 0) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#str2~0.base| .cse39) |ULTIMATE.start_main_~#str1~0.base|) |ULTIMATE.start_main_~#str1~0.offset|) (select .cse39 .cse40)))) (.cse32 (select .cse19 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0 1)))) (or (let ((.cse20 (mod (+ ULTIMATE.start_main_~j~0 4) 4294967296))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (= ULTIMATE.start_main_~j~0 0) .cse16 .cse17 .cse18 (= (select .cse19 (+ |ULTIMATE.start_main_~#str1~0.offset| (- 2) .cse20)) .cse21) (= .cse22 (select .cse19 (+ |ULTIMATE.start_main_~#str1~0.offset| (- 3) .cse20))))) (and (= (select .cse23 (+ |ULTIMATE.start_main_~#str1~0.offset| 4294967294 ULTIMATE.start_main_~max~0 .cse24)) .cse25) .cse1 .cse4 .cse7 .cse8 .cse10 .cse12 (= ULTIMATE.start_main_~i~0 0) .cse14 .cse26 .cse18 (= (select .cse19 2) (select .cse23 2)) (= (select .cse19 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0 4)) .cse27) (= .cse28 .cse29)) (and .cse0 .cse1 .cse2 .cse3 .cse30 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse11 .cse12 (<= .cse31 4294967298) .cse13 (= ULTIMATE.start_main_~i~0 2) .cse14 .cse16 .cse18 (= .cse32 (select .cse23 1)) (= (+ ULTIMATE.start_main_~i~0 2) .cse33) (= (select .cse19 (+ |ULTIMATE.start_main_~#str1~0.offset| (- 2) (mod .cse34 4294967296))) .cse21)) (and .cse0 .cse1 .cse2 .cse3 .cse30 .cse4 (= ULTIMATE.start_main_~i~0 5) .cse6 .cse7 .cse8 .cse9 .cse10 (= (select .cse19 (+ |ULTIMATE.start_main_~#str1~0.offset| (- 2) .cse33)) .cse21) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (let ((.cse35 (mod .cse36 4294967296))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (= .cse22 (select .cse19 (+ |ULTIMATE.start_main_~#str1~0.offset| (- 3) .cse35))) .cse14 .cse26 (= (select .cse19 (+ |ULTIMATE.start_main_~#str1~0.offset| (- 2) .cse35)) .cse21) .cse16 .cse18 (= ULTIMATE.start_main_~j~0 1))) (and .cse0 .cse1 .cse3 (<= .cse37 1) .cse4 .cse5 .cse6 .cse7 .cse9 (<= .cse31 4294967297) .cse10 .cse12 (= ULTIMATE.start_main_~j~0 3) .cse13 (= .cse27 .cse29) .cse14 .cse15 .cse26 .cse18 (= .cse32 (select .cse23 (+ |ULTIMATE.start_main_~#str2~0.offset| (- 1) ULTIMATE.start_main_~j~0))) (< 0 .cse37)))))))) [2021-11-07 01:48:44,657 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2021-11-07 01:48:44,657 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:48:44,657 INFO L853 garLoopResultBuilder]: At program point L26-3(lines 26 29) the Hoare annotation is: (let ((.cse16 (+ 4294967295 ULTIMATE.start_main_~max~0))) (let ((.cse9 (select |#memory_int| |ULTIMATE.start_main_~#str1~0.base|)) (.cse0 (mod .cse16 4294967296))) (let ((.cse12 (select .cse9 (+ |ULTIMATE.start_main_~#str1~0.offset| .cse0))) (.cse8 (div .cse16 4294967296))) (let ((.cse20 (select .cse9 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0 1))) (.cse17 (* 4294967296 .cse8)) (.cse22 (+ 4294967291 ULTIMATE.start_main_~max~0)) (.cse11 (= .cse12 0)) (.cse7 (select |#memory_int| |ULTIMATE.start_main_~#str2~0.base|))) (let ((.cse14 (select .cse7 (+ |ULTIMATE.start_main_~#str2~0.offset| 1))) (.cse15 (select .cse9 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0 3))) (.cse19 (select .cse9 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0 2))) (.cse13 (select .cse7 |ULTIMATE.start_main_~#str2~0.offset|)) (.cse23 (+ |ULTIMATE.start_main_~#str2~0.offset| ULTIMATE.start_main_~j~0)) (.cse6 (or (and .cse11 (<= .cse0 2147483647)) (and (< 2147483647 .cse0) (= (select .cse9 (+ |ULTIMATE.start_main_~#str1~0.offset| .cse0 (- 4294967296))) 0)))) (.cse1 (= |ULTIMATE.start_main_~#str1~0.offset| 0)) (.cse2 (not (= |ULTIMATE.start_main_~#str1~0.base| |ULTIMATE.start_main_~#str2~0.base|))) (.cse3 (< 0 .cse8)) (.cse4 (<= .cse8 1)) (.cse5 (= |ULTIMATE.start_main_~#str2~0.offset| 0)) (.cse21 (<= .cse17 .cse22)) (.cse10 (+ ULTIMATE.start_main_~i~0 .cse17)) (.cse18 (= .cse20 (select .cse7 (+ |ULTIMATE.start_main_~#str2~0.offset| (- 1) ULTIMATE.start_main_~j~0))))) (or (and (= ULTIMATE.start_main_~i~0 .cse0) .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_main_~i~0 4) (= ULTIMATE.start_main_~j~0 0) .cse6) (and (= (select .cse7 (+ |ULTIMATE.start_main_~#str1~0.offset| 4294967294 ULTIMATE.start_main_~max~0 (* .cse8 (- 4294967296)))) (select .cse9 1)) (<= ULTIMATE.start_main_~max~0 5) (<= 5 ULTIMATE.start_main_~max~0) (<= .cse10 4294967295) .cse11 .cse1 (= .cse12 .cse13) .cse2 .cse5 (<= 0 (+ ULTIMATE.start_main_~i~0 1)) (= .cse14 (select .cse9 (+ (- 1) |ULTIMATE.start_main_~#str1~0.offset| .cse0))) (= (select .cse7 (+ |ULTIMATE.start_main_~#str2~0.offset| ULTIMATE.start_main_~j~0 (- 3))) .cse15) (= .cse16 (+ ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~i~0 .cse17)) .cse18) (and (= ULTIMATE.start_main_~j~0 4) .cse1 .cse2 (= .cse19 (select .cse7 (+ |ULTIMATE.start_main_~#str2~0.offset| 2))) (= ULTIMATE.start_main_~i~0 0) (= (select .cse7 (+ |ULTIMATE.start_main_~#str2~0.offset| 3)) .cse20) .cse3 .cse4 .cse5 .cse21 (<= .cse22 .cse10) (= (select .cse9 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0 4)) .cse13) (= .cse14 .cse15) .cse6) (and .cse1 .cse2 (= ULTIMATE.start_main_~j~0 3) (= ULTIMATE.start_main_~i~0 1) (= (select .cse9 (+ |ULTIMATE.start_main_~#str1~0.offset| 3)) (select (store .cse7 .cse23 (select .cse9 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0))) 1)) .cse3 (= .cse13 .cse15) (<= (+ 4294967292 ULTIMATE.start_main_~max~0) .cse10) .cse4 .cse5 .cse21 .cse18 .cse6) (and (= .cse19 .cse13) .cse1 .cse2 (< 1 .cse23) (= ULTIMATE.start_main_~i~0 2) .cse4 .cse5 (<= .cse23 2) .cse18 .cse6 (= (+ ULTIMATE.start_main_~i~0 2) .cse0) (<= 4294967298 .cse10)) (and .cse11 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~i~0 3) .cse4 .cse5 .cse21 (<= (+ 4294967294 ULTIMATE.start_main_~max~0) .cse10) .cse18 (= ULTIMATE.start_main_~j~0 1)))))))) [2021-11-07 01:48:44,658 INFO L853 garLoopResultBuilder]: At program point L18-3(lines 18 20) the Hoare annotation is: (let ((.cse6 (div (+ 4294967295 ULTIMATE.start_main_~max~0) 4294967296))) (let ((.cse5 (* 4294967296 .cse6)) (.cse4 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0)) (.cse0 (= 5 ULTIMATE.start_main_~max~0)) (.cse1 (= |ULTIMATE.start_main_~#str1~0.offset| 0)) (.cse2 (not (= |ULTIMATE.start_main_~#str1~0.base| |ULTIMATE.start_main_~#str2~0.base|))) (.cse3 (= |ULTIMATE.start_main_~#str2~0.offset| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= (+ ULTIMATE.start_main_~i~0 4) ULTIMATE.start_main_~max~0) (< 0 .cse4)) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~i~0 4)) (and .cse0 .cse2 (<= ULTIMATE.start_main_~i~0 2) .cse3 (= .cse4 2) (<= 4294967298 (+ ULTIMATE.start_main_~i~0 .cse5))) (and (<= ULTIMATE.start_main_~max~0 5) (= ULTIMATE.start_main_~i~0 5) .cse1 .cse2 (< 0 .cse6) .cse3 (<= .cse5 (+ 4294967291 ULTIMATE.start_main_~max~0))) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_main_~i~0 3) .cse3 (<= 3 .cse4)) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~i~0 0) .cse3)))) [2021-11-07 01:48:44,658 INFO L857 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2021-11-07 01:48:44,658 INFO L853 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: (let ((.cse35 (+ 4294967295 ULTIMATE.start_main_~max~0))) (let ((.cse11 (select |#memory_int| |ULTIMATE.start_main_~#str1~0.base|)) (.cse12 (mod .cse35 4294967296)) (.cse39 (div .cse35 4294967296)) (.cse25 (select |#memory_int| |ULTIMATE.start_main_~#str2~0.base|))) (let ((.cse27 (select .cse25 (+ |ULTIMATE.start_main_~#str2~0.offset| 1))) (.cse23 (select .cse25 (+ |ULTIMATE.start_main_~#str2~0.offset| 4))) (.cse36 (* 4294967296 .cse39)) (.cse31 (+ ULTIMATE.start_main_~j~0 3)) (.cse33 (+ ULTIMATE.start_main_~j~0 2)) (.cse34 (+ ULTIMATE.start_main_~j~0 1)) (.cse37 (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| .cse12))) (.cse26 (select .cse25 |ULTIMATE.start_main_~#str2~0.offset|)) (.cse29 (select .cse25 (+ |ULTIMATE.start_main_~#str2~0.offset| 3)))) (let ((.cse4 (= .cse29 (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| .cse12 (- 3))))) (.cse14 (= .cse37 .cse26)) (.cse21 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse13 (select .cse25 (+ |ULTIMATE.start_main_~#str2~0.offset| 2))) (.cse0 (or (<= 2 ULTIMATE.start_main_~i~0) (= .cse34 .cse12) (< ULTIMATE.start_main_~i~0 1))) (.cse1 (let ((.cse38 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0))) (or (<= 1 .cse38) (= (select (store .cse25 (+ |ULTIMATE.start_main_~#str2~0.offset| ULTIMATE.start_main_~j~0) (select .cse11 .cse38)) (+ (* ULTIMATE.start_main_~i~0 (- 1)) |ULTIMATE.start_main_~#str1~0.offset| 4294967294 ULTIMATE.start_main_~max~0 (* .cse39 (- 4294967296)))) (select .cse11 1))))) (.cse2 (<= ULTIMATE.start_main_~max~0 5)) (.cse3 (or (= .cse33 .cse12) (<= 3 ULTIMATE.start_main_~i~0) (< ULTIMATE.start_main_~i~0 2))) (.cse5 (<= 5 ULTIMATE.start_main_~max~0)) (.cse6 (or (= ULTIMATE.start_main_~j~0 .cse12) (<= 1 ULTIMATE.start_main_~i~0))) (.cse22 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse7 (or (<= 4 ULTIMATE.start_main_~i~0) (= .cse12 .cse31) (< ULTIMATE.start_main_~i~0 3))) (.cse8 (= .cse37 0)) (.cse9 (<= 4294967296 (+ ULTIMATE.start_main_~i~0 .cse36))) (.cse10 (= |ULTIMATE.start_main_~#str1~0.offset| 0)) (.cse15 (not (= |ULTIMATE.start_main_~#str1~0.base| |ULTIMATE.start_main_~#str2~0.base|))) (.cse16 (= (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| .cse12 (- 4))) .cse23)) (.cse17 (< (mod ULTIMATE.start_main_~i~0 4294967296) (mod ULTIMATE.start_main_~max~0 4294967296))) (.cse28 (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0 3))) (.cse18 (= |ULTIMATE.start_main_~#str2~0.offset| 0)) (.cse19 (= .cse27 (select .cse11 (+ (- 1) |ULTIMATE.start_main_~#str1~0.offset| .cse12)))) (.cse20 (= .cse35 (+ ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~i~0 .cse36))) (.cse32 (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| (- 2) .cse12)) .cse13) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (= ULTIMATE.start_main_~i~0 4) .cse20 .cse21) (let ((.cse24 (mod ULTIMATE.start_main_~j~0 4294967296))) (and .cse0 .cse2 .cse3 .cse5 .cse6 .cse22 .cse7 .cse8 .cse9 .cse10 .cse15 (= ULTIMATE.start_main_~i~0 0) .cse17 (= .cse23 (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| .cse24 (- 4)))) .cse18 (= (select .cse11 2) (select .cse25 2)) (= (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0 4)) .cse26) (= .cse27 .cse28) (= .cse29 (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| .cse24 (- 3)))))) (let ((.cse30 (mod .cse31 4294967296))) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse22 .cse7 .cse8 .cse9 .cse10 .cse14 .cse15 .cse16 .cse17 (= .cse29 (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| (- 3) .cse30))) .cse18 .cse19 (= (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| (- 2) .cse30)) .cse13) .cse20 .cse21 (= ULTIMATE.start_main_~j~0 1))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse22 .cse7 .cse8 .cse9 .cse10 .cse14 .cse15 .cse16 .cse17 .cse18 .cse20 .cse21 (= .cse32 (select .cse25 1)) (= (+ ULTIMATE.start_main_~i~0 2) .cse12) (= (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| (- 2) (mod .cse33 4294967296))) .cse13)) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse22 (= .cse29 (select .cse11 (+ |ULTIMATE.start_main_~#str1~0.offset| (- 3) (mod .cse34 4294967296)))) .cse7 .cse8 .cse9 .cse10 .cse15 .cse16 .cse17 (= ULTIMATE.start_main_~i~0 1) (= .cse26 .cse28) .cse18 .cse19 .cse20 (= .cse32 (select .cse25 (+ |ULTIMATE.start_main_~#str2~0.offset| (- 1) ULTIMATE.start_main_~j~0))))))))) [2021-11-07 01:48:44,661 INFO L731 BasicCegarLoop]: Path program histogram: [6, 3, 1, 1] [2021-11-07 01:48:44,662 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:48:44,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:48:44 BoogieIcfgContainer [2021-11-07 01:48:44,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:48:44,749 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:48:44,749 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:48:44,750 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:48:44,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:44:33" (3/4) ... [2021-11-07 01:48:44,753 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:48:44,762 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-07 01:48:44,763 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-07 01:48:44,763 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:48:44,763 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:48:44,814 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:48:44,814 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:48:44,815 INFO L168 Benchmark]: Toolchain (without parser) took 252216.77 ms. Allocated memory was 86.0 MB in the beginning and 593.5 MB in the end (delta: 507.5 MB). Free memory was 49.4 MB in the beginning and 518.2 MB in the end (delta: -468.8 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:44,815 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory is still 66.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:48:44,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.08 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 49.2 MB in the beginning and 88.2 MB in the end (delta: -39.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:44,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.18 ms. Allocated memory is still 111.1 MB. Free memory was 88.2 MB in the beginning and 86.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:44,816 INFO L168 Benchmark]: Boogie Preprocessor took 27.83 ms. Allocated memory is still 111.1 MB. Free memory was 86.7 MB in the beginning and 85.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:48:44,816 INFO L168 Benchmark]: RCFGBuilder took 451.00 ms. Allocated memory is still 111.1 MB. Free memory was 85.3 MB in the beginning and 71.8 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:44,816 INFO L168 Benchmark]: TraceAbstraction took 251338.96 ms. Allocated memory was 111.1 MB in the beginning and 593.5 MB in the end (delta: 482.3 MB). Free memory was 71.1 MB in the beginning and 525.6 MB in the end (delta: -454.4 MB). Peak memory consumption was 366.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:44,816 INFO L168 Benchmark]: Witness Printer took 65.11 ms. Allocated memory is still 593.5 MB. Free memory was 525.6 MB in the beginning and 518.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:44,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory is still 66.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 259.08 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 49.2 MB in the beginning and 88.2 MB in the end (delta: -39.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.18 ms. Allocated memory is still 111.1 MB. Free memory was 88.2 MB in the beginning and 86.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.83 ms. Allocated memory is still 111.1 MB. Free memory was 86.7 MB in the beginning and 85.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 451.00 ms. Allocated memory is still 111.1 MB. Free memory was 85.3 MB in the beginning and 71.8 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 251338.96 ms. Allocated memory was 111.1 MB in the beginning and 593.5 MB in the end (delta: 482.3 MB). Free memory was 71.1 MB in the beginning and 525.6 MB in the end (delta: -454.4 MB). Peak memory consumption was 366.9 MB. Max. memory is 16.1 GB. * Witness Printer took 65.11 ms. Allocated memory is still 593.5 MB. Free memory was 525.6 MB in the beginning and 518.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 251.1s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 32.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 74 SDtfs, 578 SDslu, 521 SDs, 0 SdLazy, 1962 SolverSat, 866 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 747 GetRequests, 325 SyntacticMatches, 13 SemanticMatches, 409 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5593 ImplicationChecksByTransitivity, 45.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=10, InterpolantAutomatonStates: 206, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 150 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 27 NumberOfFragments, 3950 HoareAnnotationTreeSize, 4 FomulaSimplifications, 7995833 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 4 FomulaSimplificationsInter, 63278159 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 23.3s InterpolantComputationTime, 307 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 14206 SizeOfPredicates, 69 NumberOfNonLiveVariables, 830 ConjunctsInSsa, 197 ConjunctsInUnsatCore, 23 InterpolantComputations, 2 PerfectInterpolantSequences, 270/708 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((2 <= i || j + 1 == (4294967295 + max) % 4294967296) || i < 1) && (1 <= str1 + i || unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1])) && max <= 5) && ((j + 2 == (4294967295 + max) % 4294967296 || 3 <= i) || i < 2)) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -3]) && 5 <= max) && (j == (4294967295 + max) % 4294967296 || 1 <= i)) && ((4 <= i || (4294967295 + max) % 4294967296 == j + 3) || i < 3)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0) && 4294967296 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && str1 == 0) && unknown-#memory_int-unknown[str1][str1 + -2 + (4294967295 + max) % 4294967296] == unknown-#memory_int-unknown[str2][str2 + 2]) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == unknown-#memory_int-unknown[str2][str2]) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4] == unknown-#memory_int-unknown[str2][str2 + 4]) && i % 4294967296 < max % 4294967296) && str2 == 0) && unknown-#memory_int-unknown[str2][str2 + 1] == unknown-#memory_int-unknown[str1][-1 + str1 + (4294967295 + max) % 4294967296]) && i == 4) && 4294967295 + max == j + i + 4294967296 * ((4294967295 + max) / 4294967296)) && !(0 == cond)) || ((((((((((((((((((((2 <= i || j + 1 == (4294967295 + max) % 4294967296) || i < 1) && max <= 5) && ((j + 2 == (4294967295 + max) % 4294967296 || 3 <= i) || i < 2)) && 5 <= max) && (j == (4294967295 + max) % 4294967296 || 1 <= i)) && 1 <= cond) && ((4 <= i || (4294967295 + max) % 4294967296 == j + 3) || i < 3)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0) && 4294967296 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && str1 == 0) && !(str1 == str2)) && i == 0) && i % 4294967296 < max % 4294967296) && unknown-#memory_int-unknown[str2][str2 + 4] == unknown-#memory_int-unknown[str1][str1 + j % 4294967296 + -4]) && str2 == 0) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && unknown-#memory_int-unknown[str1][str1 + i + 4] == unknown-#memory_int-unknown[str2][str2]) && unknown-#memory_int-unknown[str2][str2 + 1] == unknown-#memory_int-unknown[str1][str1 + i + 3]) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + j % 4294967296 + -3])) || (((((((((((((((((((((((2 <= i || j + 1 == (4294967295 + max) % 4294967296) || i < 1) && (1 <= str1 + i || unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1])) && max <= 5) && ((j + 2 == (4294967295 + max) % 4294967296 || 3 <= i) || i < 2)) && 5 <= max) && (j == (4294967295 + max) % 4294967296 || 1 <= i)) && 1 <= cond) && ((4 <= i || (4294967295 + max) % 4294967296 == j + 3) || i < 3)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0) && 4294967296 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && str1 == 0) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == unknown-#memory_int-unknown[str2][str2]) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4] == unknown-#memory_int-unknown[str2][str2 + 4]) && i % 4294967296 < max % 4294967296) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + -3 + (j + 3) % 4294967296]) && str2 == 0) && unknown-#memory_int-unknown[str2][str2 + 1] == unknown-#memory_int-unknown[str1][-1 + str1 + (4294967295 + max) % 4294967296]) && unknown-#memory_int-unknown[str1][str1 + -2 + (j + 3) % 4294967296] == unknown-#memory_int-unknown[str2][str2 + 2]) && 4294967295 + max == j + i + 4294967296 * ((4294967295 + max) / 4294967296)) && !(0 == cond)) && j == 1)) || (((((((((((((((((((((((2 <= i || j + 1 == (4294967295 + max) % 4294967296) || i < 1) && (1 <= str1 + i || unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1])) && max <= 5) && ((j + 2 == (4294967295 + max) % 4294967296 || 3 <= i) || i < 2)) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -3]) && 5 <= max) && (j == (4294967295 + max) % 4294967296 || 1 <= i)) && 1 <= cond) && ((4 <= i || (4294967295 + max) % 4294967296 == j + 3) || i < 3)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0) && 4294967296 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && str1 == 0) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == unknown-#memory_int-unknown[str2][str2]) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4] == unknown-#memory_int-unknown[str2][str2 + 4]) && i % 4294967296 < max % 4294967296) && str2 == 0) && 4294967295 + max == j + i + 4294967296 * ((4294967295 + max) / 4294967296)) && !(0 == cond)) && unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][1]) && i + 2 == (4294967295 + max) % 4294967296) && unknown-#memory_int-unknown[str1][str1 + -2 + (j + 2) % 4294967296] == unknown-#memory_int-unknown[str2][str2 + 2])) || ((((((((((((((((((((((2 <= i || j + 1 == (4294967295 + max) % 4294967296) || i < 1) && (1 <= str1 + i || unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1])) && max <= 5) && ((j + 2 == (4294967295 + max) % 4294967296 || 3 <= i) || i < 2)) && 5 <= max) && (j == (4294967295 + max) % 4294967296 || 1 <= i)) && 1 <= cond) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + -3 + (j + 1) % 4294967296]) && ((4 <= i || (4294967295 + max) % 4294967296 == j + 3) || i < 3)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0) && 4294967296 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && str1 == 0) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4] == unknown-#memory_int-unknown[str2][str2 + 4]) && i % 4294967296 < max % 4294967296) && i == 1) && unknown-#memory_int-unknown[str2][str2] == unknown-#memory_int-unknown[str1][str1 + i + 3]) && str2 == 0) && unknown-#memory_int-unknown[str2][str2 + 1] == unknown-#memory_int-unknown[str1][-1 + str1 + (4294967295 + max) % 4294967296]) && 4294967295 + max == j + i + 4294967296 * ((4294967295 + max) / 4294967296)) && unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][str2 + -1 + j]) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((2 <= i || j + 1 == (4294967295 + max) % 4294967296) || i < 1) && (unknown-#memory_int-unknown[str1][str1] == unknown-#memory_int-unknown[str2][str2 + (4294967295 + max) % 4294967296] || 0 <= i)) && (1 <= str1 + i || unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1])) && ((j + 2 == (4294967295 + max) % 4294967296 || 3 <= i) || i < 2)) && (j == (4294967295 + max) % 4294967296 || 1 <= i)) && 1 <= cond) && ((4 <= i || (4294967295 + max) % 4294967296 == j + 3) || i < 3)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0) && 5 == max) && 4294967296 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && str1 == 0) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == unknown-#memory_int-unknown[str2][str2]) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4] == unknown-#memory_int-unknown[str2][str2 + 4]) && str2 == 0) && unknown-#memory_int-unknown[str2][str2 + 1] == unknown-#memory_int-unknown[str1][-1 + str1 + (4294967295 + max) % 4294967296]) && j == 0) && 4294967295 + max == j + i + 4294967296 * ((4294967295 + max) / 4294967296)) && !(0 == cond)) && ((1 <= i || i < 0) || unknown-#memory_int-unknown[str2 := unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]]][str1][str1] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][str2 + (4294967295 + max) % 4294967296])) && unknown-#memory_int-unknown[str1][str1 + -2 + (j + 4) % 4294967296] == unknown-#memory_int-unknown[str2][str2 + 2]) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + -3 + (j + 4) % 4294967296]) || (((((((((((((unknown-#memory_int-unknown[str2][str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1] && (unknown-#memory_int-unknown[str1][str1] == unknown-#memory_int-unknown[str2][str2 + (4294967295 + max) % 4294967296] || 0 <= i)) && (j == (4294967295 + max) % 4294967296 || 1 <= i)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0) && 5 == max) && str1 == 0) && !(str1 == str2)) && i == 0) && str2 == 0) && unknown-#memory_int-unknown[str2][str2 + j] == unknown-#memory_int-unknown[str1][str1 + i]) && ((1 <= i || i < 0) || unknown-#memory_int-unknown[str2 := unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]]][str1][str1] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][str2 + (4294967295 + max) % 4294967296])) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && unknown-#memory_int-unknown[str1][str1 + i + 4] == unknown-#memory_int-unknown[str2][str2]) && unknown-#memory_int-unknown[str2][str2 + 1] == unknown-#memory_int-unknown[str1][str1 + i + 3])) || (((((((((((((((((((((((2 <= i || j + 1 == (4294967295 + max) % 4294967296) || i < 1) && (unknown-#memory_int-unknown[str1][str1] == unknown-#memory_int-unknown[str2][str2 + (4294967295 + max) % 4294967296] || 0 <= i)) && (1 <= str1 + i || unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1])) && ((j + 2 == (4294967295 + max) % 4294967296 || 3 <= i) || i < 2)) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -3]) && (j == (4294967295 + max) % 4294967296 || 1 <= i)) && 1 <= cond) && ((4 <= i || (4294967295 + max) % 4294967296 == j + 3) || i < 3)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0) && 4294967296 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && str1 == 0) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == unknown-#memory_int-unknown[str2][str2]) && !(str1 == str2)) && i + 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967298) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4] == unknown-#memory_int-unknown[str2][str2 + 4]) && i == 2) && str2 == 0) && 4294967295 + max == j + i + 4294967296 * ((4294967295 + max) / 4294967296)) && ((1 <= i || i < 0) || unknown-#memory_int-unknown[str2 := unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]]][str1][str1] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][str2 + (4294967295 + max) % 4294967296])) && unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][1]) && i + 2 == (4294967295 + max) % 4294967296) && unknown-#memory_int-unknown[str1][str1 + -2 + (j + 2) % 4294967296] == unknown-#memory_int-unknown[str2][str2 + 2])) || ((((((((((((((((((((((2 <= i || j + 1 == (4294967295 + max) % 4294967296) || i < 1) && (unknown-#memory_int-unknown[str1][str1] == unknown-#memory_int-unknown[str2][str2 + (4294967295 + max) % 4294967296] || 0 <= i)) && (1 <= str1 + i || unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1])) && ((j + 2 == (4294967295 + max) % 4294967296 || 3 <= i) || i < 2)) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -3]) && (j == (4294967295 + max) % 4294967296 || 1 <= i)) && i == 5) && ((4 <= i || (4294967295 + max) % 4294967296 == j + 3) || i < 3)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0) && 5 == max) && 4294967296 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && str1 == 0) && unknown-#memory_int-unknown[str1][str1 + -2 + (4294967295 + max) % 4294967296] == unknown-#memory_int-unknown[str2][str2 + 2]) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == unknown-#memory_int-unknown[str2][str2]) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4] == unknown-#memory_int-unknown[str2][str2 + 4]) && str2 == 0) && unknown-#memory_int-unknown[str2][str2 + 1] == unknown-#memory_int-unknown[str1][-1 + str1 + (4294967295 + max) % 4294967296]) && 4294967295 + max == j + i + 4294967296 * ((4294967295 + max) / 4294967296)) && !(0 == cond)) && ((1 <= i || i < 0) || unknown-#memory_int-unknown[str2 := unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]]][str1][str1] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][str2 + (4294967295 + max) % 4294967296]))) || ((((((((((((((((((((((2 <= i || j + 1 == (4294967295 + max) % 4294967296) || i < 1) && (unknown-#memory_int-unknown[str1][str1] == unknown-#memory_int-unknown[str2][str2 + (4294967295 + max) % 4294967296] || 0 <= i)) && (1 <= str1 + i || unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1])) && ((j + 2 == (4294967295 + max) % 4294967296 || 3 <= i) || i < 2)) && (j == (4294967295 + max) % 4294967296 || 1 <= i)) && 1 <= cond) && ((4 <= i || (4294967295 + max) % 4294967296 == j + 3) || i < 3)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0) && 5 == max) && 4294967296 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && str1 == 0) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == unknown-#memory_int-unknown[str2][str2]) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4] == unknown-#memory_int-unknown[str2][str2 + 4]) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + -3 + (j + 3) % 4294967296]) && str2 == 0) && unknown-#memory_int-unknown[str2][str2 + j] == unknown-#memory_int-unknown[str1][str1 + i]) && unknown-#memory_int-unknown[str1][str1 + -2 + (j + 3) % 4294967296] == unknown-#memory_int-unknown[str2][str2 + 2]) && 4294967295 + max == j + i + 4294967296 * ((4294967295 + max) / 4294967296)) && ((1 <= i || i < 0) || unknown-#memory_int-unknown[str2 := unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]]][str1][str1] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][str2 + (4294967295 + max) % 4294967296])) && j == 1)) || ((((((((((((((((((((((2 <= i || j + 1 == (4294967295 + max) % 4294967296) || i < 1) && (unknown-#memory_int-unknown[str1][str1] == unknown-#memory_int-unknown[str2][str2 + (4294967295 + max) % 4294967296] || 0 <= i)) && ((j + 2 == (4294967295 + max) % 4294967296 || 3 <= i) || i < 2)) && str1 + i <= 1) && (j == (4294967295 + max) % 4294967296 || 1 <= i)) && 1 <= cond) && ((4 <= i || (4294967295 + max) % 4294967296 == j + 3) || i < 3)) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0) && 4294967296 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && i + 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967297) && str1 == 0) && !(str1 == str2)) && j == 3) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4] == unknown-#memory_int-unknown[str2][str2 + 4]) && unknown-#memory_int-unknown[str2][str2] == unknown-#memory_int-unknown[str1][str1 + i + 3]) && str2 == 0) && unknown-#memory_int-unknown[str2][str2 + 1] == unknown-#memory_int-unknown[str1][-1 + str1 + (4294967295 + max) % 4294967296]) && unknown-#memory_int-unknown[str2][str2 + j] == unknown-#memory_int-unknown[str1][str1 + i]) && ((1 <= i || i < 0) || unknown-#memory_int-unknown[str2 := unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]]][str1][str1] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][str2 + (4294967295 + max) % 4294967296])) && unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][str2 + -1 + j]) && 0 < str1 + i) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((((((((5 == max && str1 == 0) && !(str1 == str2)) && str2 == 0) && i + 4 <= max) && 0 < str1 + i) || ((((5 == max && str1 == 0) && !(str1 == str2)) && str2 == 0) && i == 4)) || (((((5 == max && !(str1 == str2)) && i <= 2) && str2 == 0) && str1 + i == 2) && 4294967298 <= i + 4294967296 * ((4294967295 + max) / 4294967296))) || ((((((max <= 5 && i == 5) && str1 == 0) && !(str1 == str2)) && 0 < (4294967295 + max) / 4294967296) && str2 == 0) && 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967291 + max)) || (((((5 == max && str1 == 0) && !(str1 == str2)) && i <= 3) && str2 == 0) && 3 <= str1 + i)) || ((((5 == max && str1 == 0) && !(str1 == str2)) && i == 0) && str2 == 0) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((((((((((((i == (4294967295 + max) % 4294967296 && str1 == 0) && !(str1 == str2)) && 0 < (4294967295 + max) / 4294967296) && (4294967295 + max) / 4294967296 <= 1) && str2 == 0) && i == 4) && j == 0) && ((unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0 && (4294967295 + max) % 4294967296 <= 2147483647) || (2147483647 < (4294967295 + max) % 4294967296 && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4294967296] == 0))) || (((((((((((((unknown-#memory_int-unknown[str2][str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1] && max <= 5) && 5 <= max) && i + 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967295) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0) && str1 == 0) && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == unknown-#memory_int-unknown[str2][str2]) && !(str1 == str2)) && str2 == 0) && 0 <= i + 1) && unknown-#memory_int-unknown[str2][str2 + 1] == unknown-#memory_int-unknown[str1][-1 + str1 + (4294967295 + max) % 4294967296]) && unknown-#memory_int-unknown[str2][str2 + j + -3] == unknown-#memory_int-unknown[str1][str1 + i + 3]) && 4294967295 + max == j + i + 4294967296 * ((4294967295 + max) / 4294967296)) && unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][str2 + -1 + j])) || (((((((((((((j == 4 && str1 == 0) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][str1 + i + 2] == unknown-#memory_int-unknown[str2][str2 + 2]) && i == 0) && unknown-#memory_int-unknown[str2][str2 + 3] == unknown-#memory_int-unknown[str1][str1 + i + 1]) && 0 < (4294967295 + max) / 4294967296) && (4294967295 + max) / 4294967296 <= 1) && str2 == 0) && 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967291 + max) && 4294967291 + max <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && unknown-#memory_int-unknown[str1][str1 + i + 4] == unknown-#memory_int-unknown[str2][str2]) && unknown-#memory_int-unknown[str2][str2 + 1] == unknown-#memory_int-unknown[str1][str1 + i + 3]) && ((unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0 && (4294967295 + max) % 4294967296 <= 2147483647) || (2147483647 < (4294967295 + max) % 4294967296 && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4294967296] == 0)))) || ((((((((((((str1 == 0 && !(str1 == str2)) && j == 3) && i == 1) && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][1]) && 0 < (4294967295 + max) / 4294967296) && unknown-#memory_int-unknown[str2][str2] == unknown-#memory_int-unknown[str1][str1 + i + 3]) && 4294967292 + max <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && (4294967295 + max) / 4294967296 <= 1) && str2 == 0) && 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967291 + max) && unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][str2 + -1 + j]) && ((unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0 && (4294967295 + max) % 4294967296 <= 2147483647) || (2147483647 < (4294967295 + max) % 4294967296 && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4294967296] == 0)))) || (((((((((((unknown-#memory_int-unknown[str1][str1 + i + 2] == unknown-#memory_int-unknown[str2][str2] && str1 == 0) && !(str1 == str2)) && 1 < str2 + j) && i == 2) && (4294967295 + max) / 4294967296 <= 1) && str2 == 0) && str2 + j <= 2) && unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][str2 + -1 + j]) && ((unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0 && (4294967295 + max) % 4294967296 <= 2147483647) || (2147483647 < (4294967295 + max) % 4294967296 && unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296 + -4294967296] == 0))) && i + 2 == (4294967295 + max) % 4294967296) && 4294967298 <= i + 4294967296 * ((4294967295 + max) / 4294967296))) || ((((((((((unknown-#memory_int-unknown[str1][str1 + (4294967295 + max) % 4294967296] == 0 && str1 == 0) && !(str1 == str2)) && 0 < (4294967295 + max) / 4294967296) && i == 3) && (4294967295 + max) / 4294967296 <= 1) && str2 == 0) && 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967291 + max) && 4294967294 + max <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][str2 + -1 + j]) && j == 1) RESULT: Ultimate proved your program to be correct! [2021-11-07 01:48:44,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f187db-4381-47d4-8325-b434b75efefd/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE