./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:58:56,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:58:56,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:58:56,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:58:56,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:58:56,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:58:56,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:58:56,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:58:56,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:58:56,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:58:56,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:58:56,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:58:56,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:58:56,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:58:56,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:58:56,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:58:56,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:58:56,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:58:56,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:58:56,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:58:56,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:58:56,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:58:56,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:58:56,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:58:56,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:58:56,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:58:56,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:58:56,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:58:56,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:58:56,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:58:56,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:58:56,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:58:56,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:58:56,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:58:56,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:58:56,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:58:56,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:58:56,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:58:56,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:58:56,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:58:56,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:58:56,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-19 13:58:56,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:58:56,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:58:56,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:58:56,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:58:56,322 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:58:56,322 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:58:56,322 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:58:56,322 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:58:56,323 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:58:56,323 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:58:56,324 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:58:56,324 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:58:56,325 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:58:56,325 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:58:56,325 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:58:56,325 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:58:56,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 13:58:56,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 13:58:56,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:58:56,327 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:58:56,327 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 13:58:56,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:58:56,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:58:56,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:58:56,328 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 13:58:56,328 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 13:58:56,329 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 13:58:56,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:58:56,329 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:58:56,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:58:56,330 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:58:56,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:58:56,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:58:56,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:58:56,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:58:56,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:58:56,331 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:58:56,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:58:56,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:58:56,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:58:56,332 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_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 [2021-11-19 13:58:56,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:58:56,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:58:56,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:58:56,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:58:56,685 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:58:56,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2021-11-19 13:58:56,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/data/8a3bdb192/22658c13ec624fe68403281ceb08bc0f/FLAGf1a4cc66e [2021-11-19 13:58:57,295 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:58:57,296 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2021-11-19 13:58:57,309 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/data/8a3bdb192/22658c13ec624fe68403281ceb08bc0f/FLAGf1a4cc66e [2021-11-19 13:58:57,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/data/8a3bdb192/22658c13ec624fe68403281ceb08bc0f [2021-11-19 13:58:57,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:58:57,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:58:57,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:58:57,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:58:57,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:58:57,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:58:57" (1/1) ... [2021-11-19 13:58:57,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76dc1871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:57, skipping insertion in model container [2021-11-19 13:58:57,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:58:57" (1/1) ... [2021-11-19 13:58:57,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:58:57,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:58:58,064 WARN L230 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_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2021-11-19 13:58:58,072 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:58:58,085 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:58:58,158 WARN L230 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_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2021-11-19 13:58:58,159 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:58:58,201 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:58:58,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:58 WrapperNode [2021-11-19 13:58:58,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:58:58,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:58:58,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:58:58,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:58:58,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:58" (1/1) ... [2021-11-19 13:58:58,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:58" (1/1) ... [2021-11-19 13:58:58,252 INFO L137 Inliner]: procedures = 128, calls = 36, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 151 [2021-11-19 13:58:58,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:58:58,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:58:58,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:58:58,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:58:58,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:58" (1/1) ... [2021-11-19 13:58:58,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:58" (1/1) ... [2021-11-19 13:58:58,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:58" (1/1) ... [2021-11-19 13:58:58,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:58" (1/1) ... [2021-11-19 13:58:58,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:58" (1/1) ... [2021-11-19 13:58:58,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:58" (1/1) ... [2021-11-19 13:58:58,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:58" (1/1) ... [2021-11-19 13:58:58,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:58:58,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:58:58,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:58:58,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:58:58,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:58" (1/1) ... [2021-11-19 13:58:58,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:58:58,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:58:58,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:58:58,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:58:58,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 13:58:58,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 13:58:58,396 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-19 13:58:58,396 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-19 13:58:58,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:58:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:58:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:58:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:58:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:58:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:58:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:58:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 13:58:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:58:58,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:58:58,505 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:58:58,515 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:58:58,821 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:58:58,921 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:58:58,921 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-19 13:58:58,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:58:58 BoogieIcfgContainer [2021-11-19 13:58:58,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:58:58,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:58:58,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:58:58,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:58:58,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:58:57" (1/3) ... [2021-11-19 13:58:58,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281c5692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:58:58, skipping insertion in model container [2021-11-19 13:58:58,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:58:58" (2/3) ... [2021-11-19 13:58:58,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281c5692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:58:58, skipping insertion in model container [2021-11-19 13:58:58,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:58:58" (3/3) ... [2021-11-19 13:58:58,937 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_insert_unequal.i [2021-11-19 13:58:58,945 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:58:58,945 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-11-19 13:58:58,991 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:58:58,998 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2021-11-19 13:58:58,999 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-11-19 13:58:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 77 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:58:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-19 13:58:59,055 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:58:59,070 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-19 13:58:59,071 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting node_createErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 13:58:59,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:58:59,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1977358206, now seen corresponding path program 1 times [2021-11-19 13:58:59,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:58:59,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624685947] [2021-11-19 13:58:59,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:58:59,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:58:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:58:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:58:59,401 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:58:59,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624685947] [2021-11-19 13:58:59,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624685947] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:58:59,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:58:59,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:58:59,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553383987] [2021-11-19 13:58:59,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:58:59,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:58:59,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:58:59,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:58:59,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:58:59,449 INFO L87 Difference]: Start difference. First operand has 81 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 77 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:58:59,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:58:59,543 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2021-11-19 13:58:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:58:59,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-19 13:58:59,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:58:59,557 INFO L225 Difference]: With dead ends: 87 [2021-11-19 13:58:59,557 INFO L226 Difference]: Without dead ends: 85 [2021-11-19 13:58:59,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:58:59,563 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 4 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:58:59,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 143 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:58:59,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-19 13:58:59,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2021-11-19 13:58:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 38 states have (on average 2.236842105263158) internal successors, (85), 76 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:58:59,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2021-11-19 13:58:59,631 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 6 [2021-11-19 13:58:59,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:58:59,632 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2021-11-19 13:58:59,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:58:59,632 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2021-11-19 13:58:59,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-19 13:58:59,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:58:59,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-19 13:58:59,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 13:58:59,634 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting node_createErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 13:58:59,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:58:59,639 INFO L85 PathProgramCache]: Analyzing trace with hash 2132845308, now seen corresponding path program 1 times [2021-11-19 13:58:59,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:58:59,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075260455] [2021-11-19 13:58:59,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:58:59,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:58:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:58:59,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:58:59,676 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:58:59,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075260455] [2021-11-19 13:58:59,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075260455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:58:59,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:58:59,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:58:59,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908681387] [2021-11-19 13:58:59,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:58:59,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:58:59,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:58:59,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:58:59,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:58:59,680 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:58:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:58:59,816 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2021-11-19 13:58:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:58:59,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-19 13:58:59,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:58:59,818 INFO L225 Difference]: With dead ends: 78 [2021-11-19 13:58:59,818 INFO L226 Difference]: Without dead ends: 78 [2021-11-19 13:58:59,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:58:59,820 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 4 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:58:59,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 104 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:58:59,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-19 13:58:59,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-11-19 13:58:59,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 38 states have (on average 2.1842105263157894) internal successors, (83), 74 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:58:59,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2021-11-19 13:58:59,836 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 6 [2021-11-19 13:58:59,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:58:59,836 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2021-11-19 13:58:59,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:58:59,837 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2021-11-19 13:58:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-19 13:58:59,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:58:59,838 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-19 13:58:59,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 13:58:59,839 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting node_createErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 13:58:59,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:58:59,841 INFO L85 PathProgramCache]: Analyzing trace with hash 2132845309, now seen corresponding path program 1 times [2021-11-19 13:58:59,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:58:59,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137696511] [2021-11-19 13:58:59,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:58:59,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:58:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:58:59,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:58:59,887 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:58:59,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137696511] [2021-11-19 13:58:59,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137696511] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:58:59,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:58:59,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:58:59,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658118064] [2021-11-19 13:58:59,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:58:59,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:58:59,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:58:59,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:58:59,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:58:59,890 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:58:59,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:58:59,961 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2021-11-19 13:58:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:58:59,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-19 13:58:59,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:58:59,963 INFO L225 Difference]: With dead ends: 76 [2021-11-19 13:58:59,963 INFO L226 Difference]: Without dead ends: 76 [2021-11-19 13:58:59,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:58:59,966 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:58:59,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 107 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:58:59,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-19 13:58:59,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-11-19 13:58:59,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 38 states have (on average 2.1315789473684212) internal successors, (81), 72 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:58:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2021-11-19 13:58:59,975 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 6 [2021-11-19 13:58:59,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:58:59,976 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2021-11-19 13:58:59,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:58:59,977 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2021-11-19 13:58:59,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-19 13:58:59,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:58:59,977 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:58:59,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 13:58:59,978 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 13:58:59,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:58:59,979 INFO L85 PathProgramCache]: Analyzing trace with hash -399588339, now seen corresponding path program 1 times [2021-11-19 13:58:59,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:58:59,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40785657] [2021-11-19 13:58:59,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:58:59,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:58:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:59:00,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:59:00,042 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:59:00,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40785657] [2021-11-19 13:59:00,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40785657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:59:00,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:59:00,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:59:00,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546980171] [2021-11-19 13:59:00,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:59:00,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:59:00,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:59:00,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:59:00,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:59:00,045 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:59:00,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:59:00,209 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2021-11-19 13:59:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:59:00,210 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2021-11-19 13:59:00,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:59:00,214 INFO L225 Difference]: With dead ends: 76 [2021-11-19 13:59:00,214 INFO L226 Difference]: Without dead ends: 76 [2021-11-19 13:59:00,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:59:00,227 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 6 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:59:00,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 212 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:59:00,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-19 13:59:00,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2021-11-19 13:59:00,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 38 states have (on average 2.1052631578947367) internal successors, (80), 71 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:59:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2021-11-19 13:59:00,244 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 10 [2021-11-19 13:59:00,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:59:00,245 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2021-11-19 13:59:00,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:59:00,246 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2021-11-19 13:59:00,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-19 13:59:00,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:59:00,247 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:59:00,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 13:59:00,247 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 13:59:00,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:59:00,249 INFO L85 PathProgramCache]: Analyzing trace with hash -399588338, now seen corresponding path program 1 times [2021-11-19 13:59:00,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:59:00,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420581915] [2021-11-19 13:59:00,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:59:00,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:59:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:59:00,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:59:00,377 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:59:00,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420581915] [2021-11-19 13:59:00,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420581915] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:59:00,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:59:00,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:59:00,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158773427] [2021-11-19 13:59:00,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:59:00,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:59:00,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:59:00,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:59:00,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:59:00,381 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:59:00,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:59:00,550 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2021-11-19 13:59:00,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:59:00,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2021-11-19 13:59:00,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:59:00,557 INFO L225 Difference]: With dead ends: 75 [2021-11-19 13:59:00,558 INFO L226 Difference]: Without dead ends: 75 [2021-11-19 13:59:00,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:59:00,564 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 4 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:59:00,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 224 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:59:00,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-19 13:59:00,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2021-11-19 13:59:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 38 states have (on average 2.0789473684210527) internal successors, (79), 70 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 13:59:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2021-11-19 13:59:00,579 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 10 [2021-11-19 13:59:00,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:59:00,579 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2021-11-19 13:59:00,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 13:59:00,580 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2021-11-19 13:59:00,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-19 13:59:00,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:59:00,581 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:59:00,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 13:59:00,581 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 13:59:00,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:59:00,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1876340112, now seen corresponding path program 1 times [2021-11-19 13:59:00,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:59:00,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851237120] [2021-11-19 13:59:00,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:59:00,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:59:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:59:00,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 13:59:00,696 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:59:00,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851237120] [2021-11-19 13:59:00,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851237120] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 13:59:00,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008587414] [2021-11-19 13:59:00,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:59:00,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:59:00,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:59:00,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 13:59:00,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 13:59:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:59:00,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:59:00,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:59:01,016 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:59:01,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:59:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 13:59:01,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008587414] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:59:01,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [72371546] [2021-11-19 13:59:01,114 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2021-11-19 13:59:01,114 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 13:59:01,119 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 13:59:01,124 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 13:59:01,125 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 13:59:01,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:59:01,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-19 13:59:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-19 13:59:01,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:01,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:01,260 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-19 13:59:01,294 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,294 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2021-11-19 13:59:01,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:59:01,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:59:01,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:01,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 13:59:01,359 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:01,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-19 13:59:01,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 33 [2021-11-19 13:59:01,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:01,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:01,406 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,420 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:01,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-19 13:59:01,424 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 13:59:01,425 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:90, output treesize:84 [2021-11-19 13:59:01,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:59:01,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 13:59:01,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:59:01,441 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_81|], 1=[|v_#valid_96|]} [2021-11-19 13:59:01,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:59:01,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:59:01,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:59:01,448 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-19 13:59:01,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:59:01,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:59:01,463 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:59:01,467 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,468 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2021-11-19 13:59:01,472 INFO L180 QuantifierPusher]: treesize reduction 14, result has 84.6 percent of original size [2021-11-19 13:59:01,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-19 13:59:01,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 13:59:01,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 13:59:01,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-19 13:59:01,492 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 13 treesize of output 9 [2021-11-19 13:59:01,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:01,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:01,494 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,516 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 13 treesize of output 9 [2021-11-19 13:59:01,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:01,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:01,518 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,522 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,527 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 19 treesize of output 1 [2021-11-19 13:59:01,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:01,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:01,530 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 13:59:01,535 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,536 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:76, output treesize:49 [2021-11-19 13:59:01,539 INFO L180 QuantifierPusher]: treesize reduction 10, result has 90.7 percent of original size [2021-11-19 13:59:01,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:59:01,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:59:01,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 13:59:01,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-19 13:59:01,560 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_int_51|], 2=[|v_#memory_$Pointer$.base_74|, |v_#memory_$Pointer$.offset_74|]} [2021-11-19 13:59:01,569 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 11 treesize of output 7 [2021-11-19 13:59:01,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:01,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:01,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-19 13:59:01,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:01,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:01,593 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-19 13:59:01,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:01,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:01,609 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-19 13:59:01,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,617 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:96, output treesize:62 [2021-11-19 13:59:01,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:01,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-19 13:59:01,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-19 13:59:01,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:01,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:01,659 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-19 13:59:01,697 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,697 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:123, output treesize:108 [2021-11-19 13:59:01,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:59:01,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 13:59:01,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:01,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 13:59:01,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:01,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-19 13:59:01,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 33 [2021-11-19 13:59:01,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:01,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:01,767 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,789 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:01,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-19 13:59:01,794 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 13:59:01,795 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:90, output treesize:84 [2021-11-19 13:59:01,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:01,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-19 13:59:01,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-19 13:59:01,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:01,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:01,841 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,856 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-19 13:59:01,860 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,860 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:123, output treesize:108 [2021-11-19 13:59:01,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,918 INFO L180 QuantifierPusher]: treesize reduction 54, result has 72.0 percent of original size [2021-11-19 13:59:01,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-19 13:59:01,932 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-19 13:59:01,934 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:01,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:01,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:01,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:01,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-11-19 13:59:01,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:59:01,966 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 13 [2021-11-19 13:59:01,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:01,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:01,969 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:01,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:01,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-11-19 13:59:01,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:01,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:01,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:01,991 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:01,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:59:02,011 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 13 [2021-11-19 13:59:02,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:02,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:02,014 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:02,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-11-19 13:59:02,027 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:59:02,028 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:180, output treesize:139 [2021-11-19 13:59:02,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:02,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 204 [2021-11-19 13:59:02,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,211 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,214 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:02,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-11-19 13:59:02,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:02,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,254 INFO L185 QuantifierPusher]: treesize reduction 12, result has 94.1 percent of original size 192 [2021-11-19 13:59:02,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,265 INFO L180 QuantifierPusher]: treesize reduction 12, result has 94.3 percent of original size [2021-11-19 13:59:02,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:02,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,285 INFO L185 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size 192 [2021-11-19 13:59:02,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,294 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.1 percent of original size [2021-11-19 13:59:02,305 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:02,319 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-11-19 13:59:02,325 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:02,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,350 INFO L185 QuantifierPusher]: treesize reduction 8, result has 95.6 percent of original size 172 [2021-11-19 13:59:02,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,360 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.7 percent of original size [2021-11-19 13:59:02,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:02,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,384 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-19 13:59:02,393 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:02,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-19 13:59:02,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,422 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 13:59:02,425 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 13:59:02,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-19 13:59:02,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:02,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:02,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:59:02,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:59:02,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:59:02,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-19 13:59:02,456 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:02,464 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-19 13:59:02,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2021-11-19 13:59:02,479 INFO L446 ElimStorePlain]: Different costs {3=[|v_ULTIMATE.start_main_old_#valid#1_BEFORE_CALL_3|], 7=[v_prenex_1]} [2021-11-19 13:59:02,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:02,496 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 13:59:02,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 17 [2021-11-19 13:59:02,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-19 13:59:02,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-19 13:59:02,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:02,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:02,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:02,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 33 [2021-11-19 13:59:02,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,542 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:02,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,554 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,558 INFO L180 QuantifierPusher]: treesize reduction 42, result has 80.1 percent of original size [2021-11-19 13:59:02,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:02,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-19 13:59:02,570 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-11-19 13:59:02,570 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:232, output treesize:154 [2021-11-19 13:59:02,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:59:02,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 13:59:02,595 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:02,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:02,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:02,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:02,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-19 13:59:02,613 INFO L446 ElimStorePlain]: Different costs {0=[|v_old(#length)_AFTER_CALL_5|, |v_old(#valid)_AFTER_CALL_5|], 2=[v_prenex_2]} [2021-11-19 13:59:02,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 13 treesize of output 9 [2021-11-19 13:59:02,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-19 13:59:02,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-19 13:59:02,628 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:02,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,668 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-19 13:59:02,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:02,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:02,682 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:02,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:02,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:02,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-19 13:59:02,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:02,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:02,742 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:02,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2021-11-19 13:59:02,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:02,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:02,785 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:02,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,813 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2021-11-19 13:59:02,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:02,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:02,825 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:02,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2021-11-19 13:59:02,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:02,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:02,869 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:02,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:02,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,923 INFO L180 QuantifierPusher]: treesize reduction 75, result has 79.1 percent of original size [2021-11-19 13:59:02,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2021-11-19 13:59:02,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-19 13:59:02,929 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:412, output treesize:283 [2021-11-19 13:59:02,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-19 13:59:02,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-19 13:59:02,975 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-19 13:59:02,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:02,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:02,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:02,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2021-11-19 13:59:02,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:02,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,006 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:03,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-19 13:59:03,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-11-19 13:59:03,022 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-19 13:59:03,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:03,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-19 13:59:03,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-19 13:59:03,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,055 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:03,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-19 13:59:03,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:03,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:03,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-19 13:59:03,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:03,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:03,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-19 13:59:03,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:03,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:03,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-19 13:59:03,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:59:03,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:03,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:59:03,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:59:03,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:03,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:03,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 13:59:03,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:03,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 13:59:03,152 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-19 13:59:03,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-19 13:59:03,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:03,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:03,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-19 13:59:03,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2021-11-19 13:59:03,173 INFO L446 ElimStorePlain]: Different costs {3=[v_prenex_3], 7=[|v_ULTIMATE.start_main_old_#valid#1_BEFORE_CALL_4|]} [2021-11-19 13:59:03,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:03,190 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 13:59:03,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 17 [2021-11-19 13:59:03,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-19 13:59:03,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-19 13:59:03,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:03,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:03,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:03,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 33 [2021-11-19 13:59:03,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,222 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:03,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,235 INFO L180 QuantifierPusher]: treesize reduction 42, result has 80.1 percent of original size [2021-11-19 13:59:03,237 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 13:59:03,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-19 13:59:03,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-11-19 13:59:03,246 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:232, output treesize:154 [2021-11-19 13:59:03,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:03,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:59:03,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 13:59:03,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:03,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:03,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:03,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-19 13:59:03,286 INFO L446 ElimStorePlain]: Different costs {0=[|v_old(#valid)_AFTER_CALL_6|, v_prenex_4], 2=[|v_old(#length)_AFTER_CALL_6|]} [2021-11-19 13:59:03,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-19 13:59:03,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:03,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:03,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:03,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 13 treesize of output 9 [2021-11-19 13:59:03,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-19 13:59:03,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-19 13:59:03,341 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:03,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:03,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:03,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-19 13:59:03,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:03,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:03,421 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:03,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2021-11-19 13:59:03,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:03,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:03,467 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:03,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2021-11-19 13:59:03,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:03,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:03,510 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:03,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2021-11-19 13:59:03,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:03,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:03,546 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:03,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,581 INFO L180 QuantifierPusher]: treesize reduction 75, result has 79.1 percent of original size [2021-11-19 13:59:03,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2021-11-19 13:59:03,587 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-19 13:59:03,587 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:412, output treesize:283 [2021-11-19 13:59:03,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2021-11-19 13:59:03,687 INFO L180 QuantifierPusher]: treesize reduction 5, result has 98.7 percent of original size [2021-11-19 13:59:03,693 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:59:03,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,708 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:59:03,710 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 13:59:03,713 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-11-19 13:59:03,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-11-19 13:59:03,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-19 13:59:03,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,740 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 271 [2021-11-19 13:59:03,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-11-19 13:59:03,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-19 13:59:03,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2021-11-19 13:59:03,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:03,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-19 13:59:03,785 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,789 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 285 [2021-11-19 13:59:03,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 286 [2021-11-19 13:59:03,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:59:03,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:59:03,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 13:59:03,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 292 [2021-11-19 13:59:03,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 279 [2021-11-19 13:59:03,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-19 13:59:03,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:03,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-19 13:59:03,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 285 [2021-11-19 13:59:03,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 286 [2021-11-19 13:59:03,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:03,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:59:03,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:59:03,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 13:59:03,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-11-19 13:59:03,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:03,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:03,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-19 13:59:03,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 378 [2021-11-19 13:59:03,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:59:03,925 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 13 [2021-11-19 13:59:03,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:03,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:03,928 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:03,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:03,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:03,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-11-19 13:59:03,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:03,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:03,981 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:03,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-11-19 13:59:03,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:03,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:03,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:03,996 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:03,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:59:04,036 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 13 [2021-11-19 13:59:04,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:04,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:04,039 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:59:04,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-19 13:59:04,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:04,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:04,053 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:59:04,091 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 13 [2021-11-19 13:59:04,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:04,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:04,094 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,132 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,141 INFO L180 QuantifierPusher]: treesize reduction 88, result has 77.3 percent of original size [2021-11-19 13:59:04,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 301 [2021-11-19 13:59:04,147 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-19 13:59:04,148 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:468, output treesize:301 [2021-11-19 13:59:04,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,227 INFO L180 QuantifierPusher]: treesize reduction 30, result has 74.1 percent of original size [2021-11-19 13:59:04,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:59:04,243 INFO L180 QuantifierPusher]: treesize reduction 30, result has 82.1 percent of original size [2021-11-19 13:59:04,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-19 13:59:04,259 INFO L180 QuantifierPusher]: treesize reduction 30, result has 74.1 percent of original size [2021-11-19 13:59:04,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:59:04,277 INFO L180 QuantifierPusher]: treesize reduction 30, result has 82.1 percent of original size [2021-11-19 13:59:04,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-19 13:59:04,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,320 INFO L180 QuantifierPusher]: treesize reduction 39, result has 71.9 percent of original size [2021-11-19 13:59:04,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-19 13:59:04,326 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.9 percent of original size [2021-11-19 13:59:04,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:04,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:59:04,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:59:04,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:04,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:04,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 13:59:04,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-19 13:59:04,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:59:04,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 13:59:04,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-11-19 13:59:04,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:59:04,354 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 13 [2021-11-19 13:59:04,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:04,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:04,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:59:04,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-11-19 13:59:04,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:04,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:04,375 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 13:59:04,388 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 13 [2021-11-19 13:59:04,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:04,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:59:04,391 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-19 13:59:04,400 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,400 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:153, output treesize:106 [2021-11-19 13:59:04,407 INFO L180 QuantifierPusher]: treesize reduction 30, result has 74.1 percent of original size [2021-11-19 13:59:04,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:59:04,424 INFO L180 QuantifierPusher]: treesize reduction 30, result has 82.1 percent of original size [2021-11-19 13:59:04,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-19 13:59:04,436 INFO L180 QuantifierPusher]: treesize reduction 30, result has 74.1 percent of original size [2021-11-19 13:59:04,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:59:04,450 INFO L180 QuantifierPusher]: treesize reduction 30, result has 82.1 percent of original size [2021-11-19 13:59:04,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-19 13:59:04,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-11-19 13:59:04,570 INFO L180 QuantifierPusher]: treesize reduction 30, result has 74.1 percent of original size [2021-11-19 13:59:04,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:59:04,594 INFO L180 QuantifierPusher]: treesize reduction 34, result has 82.8 percent of original size [2021-11-19 13:59:04,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:04,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 13:59:04,614 INFO L180 QuantifierPusher]: treesize reduction 34, result has 86.4 percent of original size [2021-11-19 13:59:04,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:04,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:04,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-19 13:59:04,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-19 13:59:04,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,654 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 13:59:04,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,665 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 13:59:04,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,676 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-19 13:59:04,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,717 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,725 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-19 13:59:04,731 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,732 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:480, output treesize:144 [2021-11-19 13:59:04,743 INFO L180 QuantifierPusher]: treesize reduction 34, result has 82.8 percent of original size [2021-11-19 13:59:04,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:04,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 13:59:04,765 INFO L180 QuantifierPusher]: treesize reduction 34, result has 86.4 percent of original size [2021-11-19 13:59:04,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:04,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 13:59:04,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-19 13:59:04,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-19 13:59:04,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 13:59:04,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,816 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 13:59:04,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,827 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-19 13:59:04,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:59:04,849 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,864 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.2 percent of original size [2021-11-19 13:59:04,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-11-19 13:59:04,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:59:04,868 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:480, output treesize:139 [2021-11-19 13:59:04,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:04,972 INFO L180 QuantifierPusher]: treesize reduction 42, result has 81.7 percent of original size [2021-11-19 13:59:04,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-19 13:59:04,989 INFO L180 QuantifierPusher]: treesize reduction 34, result has 82.8 percent of original size [2021-11-19 13:59:04,993 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:04,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:04,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:04,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 13:59:05,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:05,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:05,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:05,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:05,013 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 38 for LOIs [2021-11-19 13:59:05,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,022 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-19 13:59:05,030 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-19 13:59:05,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-19 13:59:05,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 13:59:05,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-19 13:59:05,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-11-19 13:59:05,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-11-19 13:59:05,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-19 13:59:05,080 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-19 13:59:05,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-11-19 13:59:05,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-11-19 13:59:05,103 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.6 percent of original size [2021-11-19 13:59:05,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-19 13:59:05,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,113 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,117 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:59:05,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-19 13:59:05,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-11-19 13:59:05,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 236 [2021-11-19 13:59:05,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-19 13:59:05,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-19 13:59:05,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-11-19 13:59:05,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-11-19 13:59:05,174 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 13:59:05,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2021-11-19 13:59:05,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 263 [2021-11-19 13:59:05,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 286 [2021-11-19 13:59:05,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:05,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:05,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:59:05,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:05,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:59:05,202 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 13:59:05,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:05,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:05,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:59:05,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:05,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:59:05,211 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 13:59:05,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:59:05,219 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,222 INFO L180 QuantifierPusher]: treesize reduction 20, result has 92.8 percent of original size [2021-11-19 13:59:05,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:05,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 13:59:05,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:59:05,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:59:05,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:59:05,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-11-19 13:59:05,229 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2021-11-19 13:59:05,229 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:303, output treesize:255 [2021-11-19 13:59:05,230 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 13:59:12,801 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 13:59:12,802 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:59:12,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2021-11-19 13:59:12,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481291423] [2021-11-19 13:59:12,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 13:59:12,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:59:12,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:59:12,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:59:12,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=221, Unknown=4, NotChecked=0, Total=272 [2021-11-19 13:59:12,804 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-19 13:59:12,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:59:12,854 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2021-11-19 13:59:12,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:59:12,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 19 [2021-11-19 13:59:12,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:59:12,855 INFO L225 Difference]: With dead ends: 78 [2021-11-19 13:59:12,855 INFO L226 Difference]: Without dead ends: 78 [2021-11-19 13:59:12,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=47, Invalid=221, Unknown=4, NotChecked=0, Total=272 [2021-11-19 13:59:12,856 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 4 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:59:12,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 128 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:59:12,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-19 13:59:12,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-11-19 13:59:12,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 41 states have (on average 2.0) internal successors, (82), 73 states have internal predecessors, (82), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 13:59:12,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2021-11-19 13:59:12,867 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 19 [2021-11-19 13:59:12,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:59:12,867 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2021-11-19 13:59:12,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-19 13:59:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2021-11-19 13:59:12,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-19 13:59:12,869 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:59:12,869 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-11-19 13:59:12,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:59:13,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-19 13:59:13,090 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 13:59:13,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:59:13,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1436278219, now seen corresponding path program 2 times [2021-11-19 13:59:13,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:59:13,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611348047] [2021-11-19 13:59:13,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:59:13,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:59:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:59:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 13:59:13,403 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:59:13,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611348047] [2021-11-19 13:59:13,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611348047] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 13:59:13,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70067896] [2021-11-19 13:59:13,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 13:59:13,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:59:13,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:59:13,406 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 13:59:13,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 13:59:13,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-19 13:59:13,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 13:59:13,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-19 13:59:13,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:59:13,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:59:13,598 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 11 treesize of output 9 [2021-11-19 13:59:13,662 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-11-19 13:59:13,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 9 [2021-11-19 13:59:13,744 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 11 treesize of output 9 [2021-11-19 13:59:13,816 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-19 13:59:13,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 17 [2021-11-19 13:59:13,942 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-19 13:59:13,943 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 19 treesize of output 15 [2021-11-19 13:59:14,010 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-19 13:59:14,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 32 [2021-11-19 13:59:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-19 13:59:14,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:59:16,119 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_node_create_~temp~0#1.base_24| Int)) (or (<= |c_#StackHeapBarrier| |v_node_create_~temp~0#1.base_24|) (= (select (store |c_#valid| |v_node_create_~temp~0#1.base_24| 1) |c_ULTIMATE.start_sll_insert_~head#1.base|) 1))) is different from false [2021-11-19 14:00:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 14:00:07,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70067896] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:00:07,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:00:07,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11, 10] total 27 [2021-11-19 14:00:07,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198227249] [2021-11-19 14:00:07,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:07,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 14:00:07,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:07,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 14:00:07,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=612, Unknown=14, NotChecked=52, Total=812 [2021-11-19 14:00:07,698 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand has 12 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 14:00:07,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:07,765 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2021-11-19 14:00:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:00:07,766 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2021-11-19 14:00:07,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:07,767 INFO L225 Difference]: With dead ends: 86 [2021-11-19 14:00:07,767 INFO L226 Difference]: Without dead ends: 86 [2021-11-19 14:00:07,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 35 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 52.9s TimeCoverageRelationStatistics Valid=134, Invalid=612, Unknown=14, NotChecked=52, Total=812 [2021-11-19 14:00:07,768 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 68 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 232 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:07,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 234 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 232 Unchecked, 0.1s Time] [2021-11-19 14:00:07,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-11-19 14:00:07,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 76. [2021-11-19 14:00:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 41 states have (on average 1.951219512195122) internal successors, (80), 71 states have internal predecessors, (80), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:00:07,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2021-11-19 14:00:07,775 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 28 [2021-11-19 14:00:07,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:07,776 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2021-11-19 14:00:07,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 14:00:07,776 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-11-19 14:00:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-19 14:00:07,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:07,777 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:07,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-19 14:00:07,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:07,990 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:00:07,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:07,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1436278218, now seen corresponding path program 1 times [2021-11-19 14:00:07,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:07,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30360295] [2021-11-19 14:00:07,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:07,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-19 14:00:08,328 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:08,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30360295] [2021-11-19 14:00:08,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30360295] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:00:08,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240990946] [2021-11-19 14:00:08,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:08,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:08,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:08,330 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:00:08,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 14:00:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:08,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-19 14:00:08,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:08,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 14:00:08,453 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 11 treesize of output 9 [2021-11-19 14:00:08,533 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-19 14:00:08,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 17 [2021-11-19 14:00:08,663 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-19 14:00:08,664 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 19 treesize of output 15 [2021-11-19 14:00:08,737 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-19 14:00:08,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 28 [2021-11-19 14:00:08,890 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-19 14:00:08,891 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 19 treesize of output 15 [2021-11-19 14:00:08,968 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-19 14:00:08,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 32 [2021-11-19 14:00:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-19 14:00:09,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:30,642 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_node_create_~temp~0#1.base_39| Int) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_7| Int)) (or (and (<= (+ |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_5| 4) (select (store |c_#length| |v_node_create_~temp~0#1.base_39| 8) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_7|)) (<= 0 |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_5|)) (exists ((|v_node_create_~temp~0#1.base_38| Int)) (and (or (< |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_5| 0) (< (select (store |c_old(#length)| |v_node_create_~temp~0#1.base_38| 8) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_7|) (+ |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_5| 4))) (< |v_node_create_~temp~0#1.base_38| |c_#StackHeapBarrier|))) (<= |c_#StackHeapBarrier| |v_node_create_~temp~0#1.base_39|))) is different from false [2021-11-19 14:01:43,930 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_node_create_~temp~0#1.base_38| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_16| Int)) (or (exists ((|v_node_create_~temp~0#1.base_38| Int)) (and (or (< (select (store |c_old(#length)| |v_node_create_~temp~0#1.base_38| 8) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20|) (+ |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_16| 4)) (< |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_16| 0)) (< |v_node_create_~temp~0#1.base_38| |c_#StackHeapBarrier|))) (<= |c_#StackHeapBarrier| |v_node_create_~temp~0#1.base_38|) (and (<= (+ |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_16| 4) (select (store |c_#length| |v_node_create_~temp~0#1.base_38| 8) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20|)) (<= 0 |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_16|)))) is different from false [2021-11-19 14:01:47,140 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_node_create_~temp~0#1.base_38| Int) (|v_node_create_~temp~0#1.base_47| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_16| Int)) (or (and (<= (+ |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_16| 4) (select (store (store |c_#length| |v_node_create_~temp~0#1.base_47| 8) |v_node_create_~temp~0#1.base_38| 8) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20|)) (<= 0 |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_16|)) (exists ((|v_node_create_~temp~0#1.base_38| Int)) (and (or (< (select (store |c_old(#length)| |v_node_create_~temp~0#1.base_38| 8) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20|) (+ |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_16| 4)) (< |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_16| 0)) (< |v_node_create_~temp~0#1.base_38| |c_#StackHeapBarrier|))) (<= |c_#StackHeapBarrier| |v_node_create_~temp~0#1.base_38|) (<= |c_#StackHeapBarrier| |v_node_create_~temp~0#1.base_47|))) is different from false [2021-11-19 14:01:47,165 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 4 times theorem prover too weak. 6 trivial. 11 not checked. [2021-11-19 14:01:47,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240990946] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:01:47,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:01:47,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 9] total 23 [2021-11-19 14:01:47,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960475741] [2021-11-19 14:01:47,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:01:47,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:01:47,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:01:47,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:01:47,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=348, Unknown=45, NotChecked=126, Total=600 [2021-11-19 14:01:47,167 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:01:47,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:01:47,269 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2021-11-19 14:01:47,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 14:01:47,269 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 28 [2021-11-19 14:01:47,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:01:47,270 INFO L225 Difference]: With dead ends: 75 [2021-11-19 14:01:47,271 INFO L226 Difference]: Without dead ends: 75 [2021-11-19 14:01:47,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 94.2s TimeCoverageRelationStatistics Valid=81, Invalid=348, Unknown=45, NotChecked=126, Total=600 [2021-11-19 14:01:47,272 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 1 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:01:47,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 207 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 82 Unchecked, 0.1s Time] [2021-11-19 14:01:47,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-19 14:01:47,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-11-19 14:01:47,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 41 states have (on average 1.9268292682926829) internal successors, (79), 70 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:01:47,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2021-11-19 14:01:47,277 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 28 [2021-11-19 14:01:47,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:01:47,278 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2021-11-19 14:01:47,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:01:47,278 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-19 14:01:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-19 14:01:47,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:01:47,279 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:01:47,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:01:47,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:01:47,494 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:01:47,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:01:47,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1578703745, now seen corresponding path program 1 times [2021-11-19 14:01:47,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:01:47,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507749783] [2021-11-19 14:01:47,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:01:47,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:01:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:01:47,859 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 14:01:47,859 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:01:47,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507749783] [2021-11-19 14:01:47,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507749783] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:01:47,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528330254] [2021-11-19 14:01:47,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:01:47,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:01:47,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:01:47,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:01:47,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 14:01:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:01:47,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-19 14:01:47,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:01:48,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 14:01:50,339 WARN L860 $PredicateComparison]: unable to prove that (exists ((|node_create_~temp~0#1.offset| Int) (|node_create_~temp~0#1.base| Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| (store (store (select |c_old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base|) (+ |node_create_~temp~0#1.offset| 4) 0) |node_create_~temp~0#1.offset| (select (select |c_#memory_$Pointer$.base| |node_create_~temp~0#1.base|) |node_create_~temp~0#1.offset|)))) (< |node_create_~temp~0#1.base| |c_#StackHeapBarrier|) (= (store |c_old(#valid)| |node_create_~temp~0#1.base| 1) |c_#valid|) (= 0 (select |c_old(#valid)| |node_create_~temp~0#1.base|)))) is different from true [2021-11-19 14:01:50,390 INFO L354 Elim1Store]: treesize reduction 88, result has 16.2 percent of original size [2021-11-19 14:01:50,390 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 2 case distinctions, treesize of input 46 treesize of output 38 [2021-11-19 14:01:50,411 INFO L354 Elim1Store]: treesize reduction 30, result has 37.5 percent of original size [2021-11-19 14:01:50,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2021-11-19 14:01:50,521 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-19 14:01:50,521 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 44 treesize of output 26 [2021-11-19 14:01:50,581 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-19 14:01:50,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:01:50,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:01:50,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-19 14:01:52,761 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_7| Int)) (or (= (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_7|)) 1) (exists ((|v_node_create_~temp~0#1.base_50| Int) (|v_node_create_~temp~0#1.offset_45| Int) (v_DerPreprocessor_3 Int)) (and (< |v_node_create_~temp~0#1.base_50| |c_#StackHeapBarrier|) (= (select |c_old(#valid)| |v_node_create_~temp~0#1.base_50|) 0) (not (= (select (store |c_old(#valid)| |v_node_create_~temp~0#1.base_50| 1) (select (select (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_50| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_50|) (+ |v_node_create_~temp~0#1.offset_45| 4) 0) |v_node_create_~temp~0#1.offset_45| v_DerPreprocessor_3)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_7|)) 1)))))) is different from false [2021-11-19 14:01:52,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:01:52,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:01:54,876 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_9| Int) (v_DerPreprocessor_4 Int) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_7| Int)) (or (exists ((|v_node_create_~temp~0#1.base_50| Int) (|v_node_create_~temp~0#1.offset_45| Int) (v_DerPreprocessor_3 Int)) (and (< |v_node_create_~temp~0#1.base_50| |c_#StackHeapBarrier|) (= (select |c_old(#valid)| |v_node_create_~temp~0#1.base_50|) 0) (not (= (select (store |c_old(#valid)| |v_node_create_~temp~0#1.base_50| 1) (select (select (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_50| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_50|) (+ |v_node_create_~temp~0#1.offset_45| 4) 0) |v_node_create_~temp~0#1.offset_45| v_DerPreprocessor_3)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_7|)) 1)))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_4)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_7|)) 1))) is different from false [2021-11-19 14:01:56,935 WARN L838 $PredicateComparison]: unable to prove that (forall ((|node_create_~temp~0#1.offset| Int) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_9| Int) (v_DerPreprocessor_4 Int) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_7| Int)) (or (exists ((|v_node_create_~temp~0#1.base_50| Int) (|v_node_create_~temp~0#1.offset_45| Int) (v_DerPreprocessor_3 Int)) (and (< |v_node_create_~temp~0#1.base_50| |c_#StackHeapBarrier|) (= (select |c_old(#valid)| |v_node_create_~temp~0#1.base_50|) 0) (not (= (select (store |c_old(#valid)| |v_node_create_~temp~0#1.base_50| 1) (select (select (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_50| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_50|) (+ |v_node_create_~temp~0#1.offset_45| 4) 0) |v_node_create_~temp~0#1.offset_45| v_DerPreprocessor_3)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_7|)) 1)))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) (+ |node_create_~temp~0#1.offset| 4) 0) |node_create_~temp~0#1.offset| v_DerPreprocessor_4)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_7|)) 1))) is different from false [2021-11-19 14:02:07,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 103 [2021-11-19 14:02:07,582 INFO L354 Elim1Store]: treesize reduction 5, result has 89.8 percent of original size [2021-11-19 14:02:07,582 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 67 treesize of output 100 [2021-11-19 14:02:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-19 14:02:07,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528330254] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:02:07,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:02:07,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14, 12] total 31 [2021-11-19 14:02:07,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160280780] [2021-11-19 14:02:07,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:07,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 14:02:07,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:07,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 14:02:07,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=654, Unknown=9, NotChecked=220, Total=992 [2021-11-19 14:02:07,808 INFO L87 Difference]: Start difference. First operand 75 states and 85 transitions. Second operand has 11 states, 8 states have (on average 2.25) internal successors, (18), 10 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:08,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:08,042 INFO L93 Difference]: Finished difference Result 77 states and 89 transitions. [2021-11-19 14:02:08,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 14:02:08,044 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 2.25) internal successors, (18), 10 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2021-11-19 14:02:08,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:08,045 INFO L225 Difference]: With dead ends: 77 [2021-11-19 14:02:08,045 INFO L226 Difference]: Without dead ends: 77 [2021-11-19 14:02:08,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 18.8s TimeCoverageRelationStatistics Valid=123, Invalid=696, Unknown=9, NotChecked=228, Total=1056 [2021-11-19 14:02:08,047 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 2 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 158 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:08,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 328 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 242 Invalid, 0 Unknown, 158 Unchecked, 0.2s Time] [2021-11-19 14:02:08,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-11-19 14:02:08,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-11-19 14:02:08,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 43 states have (on average 1.930232558139535) internal successors, (83), 72 states have internal predecessors, (83), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:02:08,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 89 transitions. [2021-11-19 14:02:08,059 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 89 transitions. Word has length 30 [2021-11-19 14:02:08,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:08,060 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 89 transitions. [2021-11-19 14:02:08,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 2.25) internal successors, (18), 10 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:08,060 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2021-11-19 14:02:08,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-19 14:02:08,061 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:08,061 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:08,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-19 14:02:08,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable94 [2021-11-19 14:02:08,274 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:02:08,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:08,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1578703744, now seen corresponding path program 1 times [2021-11-19 14:02:08,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:08,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838279761] [2021-11-19 14:02:08,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:08,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 14:02:08,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:08,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838279761] [2021-11-19 14:02:08,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838279761] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:02:08,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918639928] [2021-11-19 14:02:08,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:08,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:02:08,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:02:08,883 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:02:08,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 14:02:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:08,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-19 14:02:08,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:02:09,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-11-19 14:02:09,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-11-19 14:02:17,606 INFO L354 Elim1Store]: treesize reduction 88, result has 16.2 percent of original size [2021-11-19 14:02:17,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 90 treesize of output 78 [2021-11-19 14:02:17,652 INFO L354 Elim1Store]: treesize reduction 88, result has 16.2 percent of original size [2021-11-19 14:02:17,652 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 2 case distinctions, treesize of input 79 treesize of output 67 [2021-11-19 14:02:17,681 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 14:02:17,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 70 [2021-11-19 14:02:17,702 INFO L354 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2021-11-19 14:02:17,702 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 67 treesize of output 67 [2021-11-19 14:02:17,902 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-19 14:02:17,903 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 75 treesize of output 57 [2021-11-19 14:02:17,909 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-19 14:02:17,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 33 [2021-11-19 14:02:18,009 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-19 14:02:18,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:02:18,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:18,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-19 14:02:18,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:18,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-19 14:02:23,961 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9| Int)) (or (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|))) (and (<= 0 (+ .cse0 4)) (<= (+ 8 .cse0) (select |c_#length| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|))))) (exists ((|v_node_create_~temp~0#1.base_60| Int)) (and (or (exists ((|v_node_create_~temp~0#1.offset_55| Int) (v_DerPreprocessor_6 Int)) (< (+ 4 (select (select (store |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_60| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_60|) (+ |v_node_create_~temp~0#1.offset_55| 4) 0) |v_node_create_~temp~0#1.offset_55| v_DerPreprocessor_6)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|)) 0)) (exists ((|v_node_create_~temp~0#1.offset_55| Int) (v_DerPreprocessor_6 Int) (v_DerPreprocessor_5 Int)) (let ((.cse1 (+ |v_node_create_~temp~0#1.offset_55| 4))) (< (select (store |c_old(#length)| |v_node_create_~temp~0#1.base_60| 8) (select (select (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_60| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_60|) .cse1 0) |v_node_create_~temp~0#1.offset_55| v_DerPreprocessor_5)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|)) (+ 8 (select (select (store |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_60| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_60|) .cse1 0) |v_node_create_~temp~0#1.offset_55| v_DerPreprocessor_6)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|)))))) (= (select |c_old(#valid)| |v_node_create_~temp~0#1.base_60|) 0) (< |v_node_create_~temp~0#1.base_60| |c_#StackHeapBarrier|))))) is different from false [2021-11-19 14:02:24,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:24,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-19 14:02:24,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:24,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-19 14:02:26,683 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9| Int)) (or (and (forall ((v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int)) (<= (+ 8 (select (select (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_8)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_7)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|)))) (forall ((v_DerPreprocessor_8 Int)) (<= 0 (+ (select (select (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_8)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|) 4)))) (exists ((|v_node_create_~temp~0#1.base_60| Int)) (and (or (exists ((|v_node_create_~temp~0#1.offset_55| Int) (v_DerPreprocessor_6 Int)) (< (+ 4 (select (select (store |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_60| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_60|) (+ |v_node_create_~temp~0#1.offset_55| 4) 0) |v_node_create_~temp~0#1.offset_55| v_DerPreprocessor_6)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|)) 0)) (exists ((v_prenex_6 Int) (v_prenex_7 Int) (v_DerPreprocessor_5 Int)) (let ((.cse0 (+ v_prenex_6 4))) (< (select (store |c_old(#length)| |v_node_create_~temp~0#1.base_60| 8) (select (select (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_60| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_60|) .cse0 0) v_prenex_6 v_DerPreprocessor_5)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|)) (+ (select (select (store |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_60| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_60|) .cse0 0) v_prenex_6 v_prenex_7)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|) 8))))) (= (select |c_old(#valid)| |v_node_create_~temp~0#1.base_60|) 0) (< |v_node_create_~temp~0#1.base_60| |c_#StackHeapBarrier|))))) is different from false [2021-11-19 14:02:29,217 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9| Int)) (or (exists ((|v_node_create_~temp~0#1.base_60| Int)) (and (or (exists ((|v_node_create_~temp~0#1.offset_55| Int) (v_DerPreprocessor_6 Int)) (< (+ 4 (select (select (store |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_60| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_60|) (+ |v_node_create_~temp~0#1.offset_55| 4) 0) |v_node_create_~temp~0#1.offset_55| v_DerPreprocessor_6)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|)) 0)) (exists ((v_prenex_6 Int) (v_prenex_7 Int) (v_DerPreprocessor_5 Int)) (let ((.cse0 (+ v_prenex_6 4))) (< (select (store |c_old(#length)| |v_node_create_~temp~0#1.base_60| 8) (select (select (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_60| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_60|) .cse0 0) v_prenex_6 v_DerPreprocessor_5)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|)) (+ (select (select (store |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_60| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_60|) .cse0 0) v_prenex_6 v_prenex_7)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|) 8))))) (= (select |c_old(#valid)| |v_node_create_~temp~0#1.base_60|) 0) (< |v_node_create_~temp~0#1.base_60| |c_#StackHeapBarrier|))) (and (forall ((|node_create_~temp~0#1.offset| Int) (v_DerPreprocessor_8 Int)) (<= 0 (+ (select (select (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) (+ |node_create_~temp~0#1.offset| 4) 0) |node_create_~temp~0#1.offset| v_DerPreprocessor_8)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|) 4))) (forall ((|node_create_~temp~0#1.offset| Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int)) (let ((.cse1 (+ |node_create_~temp~0#1.offset| 4))) (<= (+ 8 (select (select (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) .cse1 0) |node_create_~temp~0#1.offset| v_DerPreprocessor_8)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) .cse1 0) |node_create_~temp~0#1.offset| v_DerPreprocessor_7)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_11|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_9|)))))))) is different from false [2021-11-19 14:02:43,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 415 treesize of output 403 [2021-11-19 14:02:43,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1040 treesize of output 1000 [2021-11-19 14:02:50,701 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 53 treesize of output 49 [2021-11-19 14:02:50,718 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-19 14:02:50,719 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 49 treesize of output 48 [2021-11-19 14:02:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-19 14:02:51,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918639928] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:02:51,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:02:51,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15, 12] total 34 [2021-11-19 14:02:51,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45314263] [2021-11-19 14:02:51,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:51,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 14:02:51,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:51,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 14:02:51,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=875, Unknown=13, NotChecked=186, Total=1190 [2021-11-19 14:02:51,020 INFO L87 Difference]: Start difference. First operand 77 states and 89 transitions. Second operand has 11 states, 8 states have (on average 2.25) internal successors, (18), 10 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:51,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:51,629 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2021-11-19 14:02:51,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 14:02:51,630 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 2.25) internal successors, (18), 10 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2021-11-19 14:02:51,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:51,631 INFO L225 Difference]: With dead ends: 77 [2021-11-19 14:02:51,631 INFO L226 Difference]: Without dead ends: 77 [2021-11-19 14:02:51,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 30.7s TimeCoverageRelationStatistics Valid=128, Invalid=927, Unknown=13, NotChecked=192, Total=1260 [2021-11-19 14:02:51,632 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 2 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 120 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:51,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 344 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 274 Invalid, 0 Unknown, 120 Unchecked, 0.5s Time] [2021-11-19 14:02:51,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-11-19 14:02:51,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-11-19 14:02:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 43 states have (on average 1.9069767441860466) internal successors, (82), 72 states have internal predecessors, (82), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:02:51,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2021-11-19 14:02:51,637 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 30 [2021-11-19 14:02:51,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:51,650 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2021-11-19 14:02:51,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 2.25) internal successors, (18), 10 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:51,650 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2021-11-19 14:02:51,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 14:02:51,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:51,652 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:51,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:02:51,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable95 [2021-11-19 14:02:51,866 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:02:51,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:51,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1695015053, now seen corresponding path program 1 times [2021-11-19 14:02:51,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:51,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393554743] [2021-11-19 14:02:51,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:51,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 14:02:51,933 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:51,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393554743] [2021-11-19 14:02:51,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393554743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:51,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:51,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:02:51,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841039701] [2021-11-19 14:02:51,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:51,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:02:51,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:51,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:02:51,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:02:51,935 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:02:52,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:52,047 INFO L93 Difference]: Finished difference Result 125 states and 141 transitions. [2021-11-19 14:02:52,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:02:52,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2021-11-19 14:02:52,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:52,049 INFO L225 Difference]: With dead ends: 125 [2021-11-19 14:02:52,050 INFO L226 Difference]: Without dead ends: 125 [2021-11-19 14:02:52,050 INFO L932 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 [2021-11-19 14:02:52,050 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 55 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:52,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 114 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:02:52,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-19 14:02:52,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 78. [2021-11-19 14:02:52,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 44 states have (on average 1.8863636363636365) internal successors, (83), 73 states have internal predecessors, (83), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:02:52,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2021-11-19 14:02:52,056 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 31 [2021-11-19 14:02:52,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:52,056 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2021-11-19 14:02:52,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:02:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2021-11-19 14:02:52,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 14:02:52,057 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:52,058 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:52,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-11-19 14:02:52,058 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:02:52,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:52,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1695014892, now seen corresponding path program 1 times [2021-11-19 14:02:52,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:52,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410576275] [2021-11-19 14:02:52,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:52,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 14:02:52,143 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:52,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410576275] [2021-11-19 14:02:52,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410576275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:52,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:52,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 14:02:52,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574763940] [2021-11-19 14:02:52,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:52,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:02:52,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:52,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:02:52,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:02:52,145 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:52,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:52,279 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2021-11-19 14:02:52,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:02:52,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2021-11-19 14:02:52,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:52,280 INFO L225 Difference]: With dead ends: 77 [2021-11-19 14:02:52,281 INFO L226 Difference]: Without dead ends: 77 [2021-11-19 14:02:52,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:02:52,281 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 128 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:52,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 65 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:02:52,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-11-19 14:02:52,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-11-19 14:02:52,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 44 states have (on average 1.8636363636363635) internal successors, (82), 72 states have internal predecessors, (82), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:02:52,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2021-11-19 14:02:52,289 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 31 [2021-11-19 14:02:52,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:52,290 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2021-11-19 14:02:52,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:52,290 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2021-11-19 14:02:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-19 14:02:52,295 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:52,295 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:52,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-11-19 14:02:52,296 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:02:52,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:52,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1010689408, now seen corresponding path program 1 times [2021-11-19 14:02:52,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:52,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202796547] [2021-11-19 14:02:52,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:52,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 14:02:52,404 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:52,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202796547] [2021-11-19 14:02:52,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202796547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:52,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:52,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 14:02:52,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085358482] [2021-11-19 14:02:52,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:52,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:02:52,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:52,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:02:52,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:02:52,406 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:52,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:52,515 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2021-11-19 14:02:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:02:52,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2021-11-19 14:02:52,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:52,516 INFO L225 Difference]: With dead ends: 74 [2021-11-19 14:02:52,517 INFO L226 Difference]: Without dead ends: 74 [2021-11-19 14:02:52,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:02:52,518 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 121 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:52,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 78 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:02:52,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-19 14:02:52,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-11-19 14:02:52,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 43 states have (on average 1.813953488372093) internal successors, (78), 69 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:02:52,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2021-11-19 14:02:52,522 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 32 [2021-11-19 14:02:52,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:52,522 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2021-11-19 14:02:52,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:52,523 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2021-11-19 14:02:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-19 14:02:52,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:52,524 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:52,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-11-19 14:02:52,524 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:02:52,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:52,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1005854102, now seen corresponding path program 1 times [2021-11-19 14:02:52,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:52,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578591919] [2021-11-19 14:02:52,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:52,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-19 14:02:52,621 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:52,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578591919] [2021-11-19 14:02:52,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578591919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:52,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:52,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 14:02:52,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947939318] [2021-11-19 14:02:52,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:52,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:02:52,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:52,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:02:52,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:02:52,623 INFO L87 Difference]: Start difference. First operand 74 states and 84 transitions. Second operand has 6 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:02:52,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:52,908 INFO L93 Difference]: Finished difference Result 83 states and 94 transitions. [2021-11-19 14:02:52,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:02:52,908 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-11-19 14:02:52,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:52,909 INFO L225 Difference]: With dead ends: 83 [2021-11-19 14:02:52,909 INFO L226 Difference]: Without dead ends: 83 [2021-11-19 14:02:52,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:02:52,910 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 56 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:52,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 146 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:02:52,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-19 14:02:52,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 73. [2021-11-19 14:02:52,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 43 states have (on average 1.7906976744186047) internal successors, (77), 68 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:02:52,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2021-11-19 14:02:52,913 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 32 [2021-11-19 14:02:52,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:52,913 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2021-11-19 14:02:52,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:02:52,914 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2021-11-19 14:02:52,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-19 14:02:52,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:52,915 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:52,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-11-19 14:02:52,915 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:02:52,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:52,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1005854101, now seen corresponding path program 1 times [2021-11-19 14:02:52,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:52,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073392331] [2021-11-19 14:02:52,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:52,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 14:02:52,973 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:52,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073392331] [2021-11-19 14:02:52,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073392331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:52,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:52,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 14:02:52,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99186694] [2021-11-19 14:02:52,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:52,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:02:52,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:52,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:02:52,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:02:52,975 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:53,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:53,077 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2021-11-19 14:02:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:02:53,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2021-11-19 14:02:53,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:53,078 INFO L225 Difference]: With dead ends: 72 [2021-11-19 14:02:53,078 INFO L226 Difference]: Without dead ends: 72 [2021-11-19 14:02:53,078 INFO L932 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 [2021-11-19 14:02:53,079 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 63 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:53,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 113 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:02:53,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-11-19 14:02:53,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-11-19 14:02:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.7857142857142858) internal successors, (75), 67 states have internal predecessors, (75), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:02:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2021-11-19 14:02:53,083 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 32 [2021-11-19 14:02:53,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:53,083 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2021-11-19 14:02:53,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:53,083 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2021-11-19 14:02:53,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-19 14:02:53,084 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:53,084 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:53,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-11-19 14:02:53,084 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:02:53,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:53,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1266439790, now seen corresponding path program 1 times [2021-11-19 14:02:53,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:53,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850839028] [2021-11-19 14:02:53,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:53,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 14:02:53,142 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:53,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850839028] [2021-11-19 14:02:53,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850839028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:53,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:53,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:02:53,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694842907] [2021-11-19 14:02:53,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:53,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:02:53,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:53,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:02:53,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:02:53,144 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:02:53,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:53,336 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2021-11-19 14:02:53,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:02:53,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-11-19 14:02:53,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:53,337 INFO L225 Difference]: With dead ends: 81 [2021-11-19 14:02:53,337 INFO L226 Difference]: Without dead ends: 81 [2021-11-19 14:02:53,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:02:53,338 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 52 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:53,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 84 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:02:53,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-11-19 14:02:53,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 71. [2021-11-19 14:02:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 66 states have internal predecessors, (74), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:02:53,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 80 transitions. [2021-11-19 14:02:53,341 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 80 transitions. Word has length 33 [2021-11-19 14:02:53,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:53,342 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 80 transitions. [2021-11-19 14:02:53,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:02:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2021-11-19 14:02:53,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-19 14:02:53,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:53,342 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:53,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-11-19 14:02:53,343 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:02:53,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:53,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1266439789, now seen corresponding path program 1 times [2021-11-19 14:02:53,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:53,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654885956] [2021-11-19 14:02:53,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:53,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:53,977 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 14:02:53,977 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:53,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654885956] [2021-11-19 14:02:53,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654885956] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:02:53,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353844054] [2021-11-19 14:02:53,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:53,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:02:53,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:02:53,979 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:02:53,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 14:02:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:54,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 14:02:54,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:02:54,226 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 14:02:54,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:02:54,291 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:54,291 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 21 treesize of output 25 [2021-11-19 14:02:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-19 14:02:54,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353844054] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:54,452 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:02:54,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [16] total 19 [2021-11-19 14:02:54,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186510404] [2021-11-19 14:02:54,452 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:54,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:02:54,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:54,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:02:54,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-11-19 14:02:54,453 INFO L87 Difference]: Start difference. First operand 71 states and 80 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:02:54,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:54,669 INFO L93 Difference]: Finished difference Result 70 states and 79 transitions. [2021-11-19 14:02:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:02:54,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-11-19 14:02:54,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:54,670 INFO L225 Difference]: With dead ends: 70 [2021-11-19 14:02:54,670 INFO L226 Difference]: Without dead ends: 70 [2021-11-19 14:02:54,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-11-19 14:02:54,671 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 54 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:54,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 120 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:02:54,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-19 14:02:54,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-11-19 14:02:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 42 states have (on average 1.7380952380952381) internal successors, (73), 65 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:02:54,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 79 transitions. [2021-11-19 14:02:54,675 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 79 transitions. Word has length 33 [2021-11-19 14:02:54,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:54,676 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 79 transitions. [2021-11-19 14:02:54,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:02:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2021-11-19 14:02:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-19 14:02:54,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:54,677 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:54,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:02:54,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-11-19 14:02:54,896 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:02:54,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:54,896 INFO L85 PathProgramCache]: Analyzing trace with hash -604927796, now seen corresponding path program 1 times [2021-11-19 14:02:54,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:54,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130798961] [2021-11-19 14:02:54,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:54,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-19 14:02:55,056 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:55,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130798961] [2021-11-19 14:02:55,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130798961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:55,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:55,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 14:02:55,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459368799] [2021-11-19 14:02:55,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:55,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:02:55,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:55,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:02:55,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:02:55,058 INFO L87 Difference]: Start difference. First operand 70 states and 79 transitions. Second operand has 6 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:02:55,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:55,424 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2021-11-19 14:02:55,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:02:55,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2021-11-19 14:02:55,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:55,426 INFO L225 Difference]: With dead ends: 69 [2021-11-19 14:02:55,426 INFO L226 Difference]: Without dead ends: 69 [2021-11-19 14:02:55,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:02:55,427 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 53 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:55,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 147 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:02:55,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-19 14:02:55,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-11-19 14:02:55,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 42 states have (on average 1.7142857142857142) internal successors, (72), 64 states have internal predecessors, (72), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:02:55,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 78 transitions. [2021-11-19 14:02:55,431 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 78 transitions. Word has length 34 [2021-11-19 14:02:55,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:55,431 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 78 transitions. [2021-11-19 14:02:55,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:02:55,431 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2021-11-19 14:02:55,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-19 14:02:55,432 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:55,432 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:55,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-11-19 14:02:55,432 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:02:55,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:55,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1572888428, now seen corresponding path program 1 times [2021-11-19 14:02:55,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:55,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072649664] [2021-11-19 14:02:55,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:55,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-19 14:02:55,494 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:55,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072649664] [2021-11-19 14:02:55,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072649664] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:55,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:55,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:02:55,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683148886] [2021-11-19 14:02:55,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:55,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:02:55,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:55,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:02:55,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:02:55,496 INFO L87 Difference]: Start difference. First operand 69 states and 78 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:55,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:55,656 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2021-11-19 14:02:55,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:02:55,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2021-11-19 14:02:55,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:55,657 INFO L225 Difference]: With dead ends: 77 [2021-11-19 14:02:55,657 INFO L226 Difference]: Without dead ends: 77 [2021-11-19 14:02:55,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:02:55,658 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 110 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:55,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 59 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:02:55,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-11-19 14:02:55,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 67. [2021-11-19 14:02:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 42 states have (on average 1.6666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:02:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 76 transitions. [2021-11-19 14:02:55,661 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 76 transitions. Word has length 35 [2021-11-19 14:02:55,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:55,662 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 76 transitions. [2021-11-19 14:02:55,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:55,662 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2021-11-19 14:02:55,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-19 14:02:55,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:55,662 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:55,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-11-19 14:02:55,663 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:02:55,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:55,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1572888427, now seen corresponding path program 1 times [2021-11-19 14:02:55,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:55,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440801905] [2021-11-19 14:02:55,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:55,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-19 14:02:55,816 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:55,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440801905] [2021-11-19 14:02:55,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440801905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:55,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:55,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 14:02:55,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046911441] [2021-11-19 14:02:55,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:55,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:02:55,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:55,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:02:55,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:02:55,817 INFO L87 Difference]: Start difference. First operand 67 states and 76 transitions. Second operand has 6 states, 4 states have (on average 4.5) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:55,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:55,946 INFO L93 Difference]: Finished difference Result 65 states and 74 transitions. [2021-11-19 14:02:55,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:02:55,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 4.5) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2021-11-19 14:02:55,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:55,949 INFO L225 Difference]: With dead ends: 65 [2021-11-19 14:02:55,949 INFO L226 Difference]: Without dead ends: 65 [2021-11-19 14:02:55,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:02:55,950 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 108 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:55,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 56 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:02:55,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-19 14:02:55,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-11-19 14:02:55,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 42 states have (on average 1.619047619047619) internal successors, (68), 60 states have internal predecessors, (68), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:02:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2021-11-19 14:02:55,953 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 35 [2021-11-19 14:02:55,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:55,953 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2021-11-19 14:02:55,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 4.5) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:02:55,954 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2021-11-19 14:02:55,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-19 14:02:55,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:55,954 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:55,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-11-19 14:02:55,955 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:02:55,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:55,955 INFO L85 PathProgramCache]: Analyzing trace with hash 282835287, now seen corresponding path program 1 times [2021-11-19 14:02:55,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:55,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710571034] [2021-11-19 14:02:55,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:55,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:56,819 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 14:02:56,819 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:56,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710571034] [2021-11-19 14:02:56,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710571034] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:02:56,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389113748] [2021-11-19 14:02:56,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:56,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:02:56,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:02:56,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:02:56,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-19 14:02:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:56,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-19 14:02:56,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:02:57,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 14:02:59,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:59,585 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 14:02:59,585 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 1 case distinctions, treesize of input 41 treesize of output 33 [2021-11-19 14:02:59,615 INFO L354 Elim1Store]: treesize reduction 30, result has 37.5 percent of original size [2021-11-19 14:02:59,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 38 [2021-11-19 14:02:59,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:00,076 INFO L354 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2021-11-19 14:03:00,076 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 56 [2021-11-19 14:03:00,757 INFO L354 Elim1Store]: treesize reduction 108, result has 31.6 percent of original size [2021-11-19 14:03:00,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 101 [2021-11-19 14:03:01,912 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,913 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 79 treesize of output 67 [2021-11-19 14:03:02,616 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-19 14:03:02,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:04,870 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_sll_insert_~last~0#1.base| Int) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| Int) (|ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| Int)) (= (select |c_#valid| (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base|) (+ |ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| 4) |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|)))) (store .cse0 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse0 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) (+ |ULTIMATE.start_sll_insert_~new_node~0#1.offset| 4) |ULTIMATE.start_sll_insert_~last~0#1.base|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) 1)) is different from false [2021-11-19 14:03:06,901 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_sll_insert_~last~0#1.base| Int) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| Int) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_31| Int) (|ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| Int)) (= (select |c_#valid| (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_insert_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_insert_~last~0#1.base|) (+ |ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| 4) |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|)))) (store .cse0 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse0 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) (+ |ULTIMATE.start_sll_insert_~new_node~0#1.offset| 4) |v_ULTIMATE.start_sll_insert_~last~0#1.base_31|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) 1)) is different from false [2021-11-19 14:03:08,926 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_sll_insert_~last~0#1.base| Int) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| Int) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_31| Int) (|ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| Int)) (= (select |c_#valid| (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_insert_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_insert_~last~0#1.base|) (+ |ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| 4) |c_ULTIMATE.start_sll_insert_#t~ret7#1.base|)))) (store .cse0 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base| (store (select .cse0 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base|) (+ |ULTIMATE.start_sll_insert_~new_node~0#1.offset| 4) |v_ULTIMATE.start_sll_insert_~last~0#1.base_31|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) 1)) is different from false [2021-11-19 14:03:09,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:09,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-19 14:03:11,364 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_sll_insert_~last~0#1.base| Int) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| Int) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_31| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_22| Int) (|ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_32| Int)) (or (= (select |c_#valid| (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_insert_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_sll_insert_~last~0#1.base|) (+ |ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| 4) |c_node_create_#res#1.base|)))) (store .cse0 |c_node_create_#res#1.base| (store (select .cse0 |c_node_create_#res#1.base|) (+ |ULTIMATE.start_sll_insert_~new_node~0#1.offset| 4) |v_ULTIMATE.start_sll_insert_~last~0#1.base_31|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_32|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_22|)) 1) (exists ((v_DerPreprocessor_9 Int) (|v_node_create_~temp~0#1.offset_74| Int) (|v_node_create_~temp~0#1.base_79| Int) (|ULTIMATE.start_sll_insert_~last~0#1.base| Int) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| Int) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_31| Int) (|ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| Int)) (and (= (select |c_old(#valid)| |v_node_create_~temp~0#1.base_79|) 0) (< |v_node_create_~temp~0#1.base_79| |c_#StackHeapBarrier|) (not (= (select (store |c_old(#valid)| |v_node_create_~temp~0#1.base_79| 1) (select (select (let ((.cse1 (let ((.cse2 (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_79| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_79|) (+ |v_node_create_~temp~0#1.offset_74| 4) 0) |v_node_create_~temp~0#1.offset_74| v_DerPreprocessor_9)))) (store .cse2 |ULTIMATE.start_sll_insert_~last~0#1.base| (store (select .cse2 |ULTIMATE.start_sll_insert_~last~0#1.base|) (+ |ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| 4) |v_node_create_~temp~0#1.base_79|))))) (store .cse1 |v_node_create_~temp~0#1.base_79| (store (select .cse1 |v_node_create_~temp~0#1.base_79|) (+ |ULTIMATE.start_sll_insert_~new_node~0#1.offset| 4) |v_ULTIMATE.start_sll_insert_~last~0#1.base_31|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_32|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_22|)) 1)))))) is different from false [2021-11-19 14:03:11,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:11,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-19 14:03:13,568 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_sll_insert_~last~0#1.base| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_22| Int) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| Int) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_31| Int) (v_DerPreprocessor_10 Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_32| Int) (|ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| Int)) (or (= (select |c_#valid| (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_10)))) (store .cse1 |ULTIMATE.start_sll_insert_~last~0#1.base| (store (select .cse1 |ULTIMATE.start_sll_insert_~last~0#1.base|) (+ |ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| 4) |c_node_create_~temp~0#1.base|))))) (store .cse0 |c_node_create_~temp~0#1.base| (store (select .cse0 |c_node_create_~temp~0#1.base|) (+ |ULTIMATE.start_sll_insert_~new_node~0#1.offset| 4) |v_ULTIMATE.start_sll_insert_~last~0#1.base_31|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_32|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_22|)) 1) (exists ((v_prenex_12 Int) (v_prenex_11 Int) (v_DerPreprocessor_9 Int) (v_prenex_13 Int) (|v_node_create_~temp~0#1.offset_74| Int) (|v_node_create_~temp~0#1.base_79| Int) (v_prenex_10 Int)) (and (= (select |c_old(#valid)| |v_node_create_~temp~0#1.base_79|) 0) (not (= (select (store |c_old(#valid)| |v_node_create_~temp~0#1.base_79| 1) (select (select (let ((.cse2 (let ((.cse3 (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_79| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_79|) (+ |v_node_create_~temp~0#1.offset_74| 4) 0) |v_node_create_~temp~0#1.offset_74| v_DerPreprocessor_9)))) (store .cse3 v_prenex_10 (store (select .cse3 v_prenex_10) (+ v_prenex_13 4) |v_node_create_~temp~0#1.base_79|))))) (store .cse2 |v_node_create_~temp~0#1.base_79| (store (select .cse2 |v_node_create_~temp~0#1.base_79|) (+ v_prenex_11 4) v_prenex_12))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_32|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_22|)) 1)) (< |v_node_create_~temp~0#1.base_79| |c_#StackHeapBarrier|))))) is different from false [2021-11-19 14:03:15,823 WARN L838 $PredicateComparison]: unable to prove that (forall ((|node_create_~temp~0#1.offset| Int) (|ULTIMATE.start_sll_insert_~last~0#1.base| Int) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| Int) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_31| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_22| Int) (v_DerPreprocessor_10 Int) (|ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_32| Int)) (or (= (select |c_#valid| (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) (+ |node_create_~temp~0#1.offset| 4) 0) |node_create_~temp~0#1.offset| v_DerPreprocessor_10)))) (store .cse1 |ULTIMATE.start_sll_insert_~last~0#1.base| (store (select .cse1 |ULTIMATE.start_sll_insert_~last~0#1.base|) (+ |ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| 4) |c_node_create_~temp~0#1.base|))))) (store .cse0 |c_node_create_~temp~0#1.base| (store (select .cse0 |c_node_create_~temp~0#1.base|) (+ |ULTIMATE.start_sll_insert_~new_node~0#1.offset| 4) |v_ULTIMATE.start_sll_insert_~last~0#1.base_31|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_32|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_22|)) 1) (exists ((v_prenex_12 Int) (v_prenex_11 Int) (v_DerPreprocessor_9 Int) (v_prenex_13 Int) (|v_node_create_~temp~0#1.offset_74| Int) (|v_node_create_~temp~0#1.base_79| Int) (v_prenex_10 Int)) (and (= (select |c_old(#valid)| |v_node_create_~temp~0#1.base_79|) 0) (not (= (select (store |c_old(#valid)| |v_node_create_~temp~0#1.base_79| 1) (select (select (let ((.cse2 (let ((.cse3 (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_79| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_79|) (+ |v_node_create_~temp~0#1.offset_74| 4) 0) |v_node_create_~temp~0#1.offset_74| v_DerPreprocessor_9)))) (store .cse3 v_prenex_10 (store (select .cse3 v_prenex_10) (+ v_prenex_13 4) |v_node_create_~temp~0#1.base_79|))))) (store .cse2 |v_node_create_~temp~0#1.base_79| (store (select .cse2 |v_node_create_~temp~0#1.base_79|) (+ v_prenex_11 4) v_prenex_12))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_32|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_22|)) 1)) (< |v_node_create_~temp~0#1.base_79| |c_#StackHeapBarrier|))))) is different from false [2021-11-19 14:03:22,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1739 treesize of output 1719 [2021-11-19 14:05:09,588 INFO L354 Elim1Store]: treesize reduction 5, result has 93.8 percent of original size [2021-11-19 14:05:09,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 85 treesize of output 148 [2021-11-19 14:05:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 1 not checked. [2021-11-19 14:05:10,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389113748] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:05:10,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:05:10,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [20, 16] total 44 [2021-11-19 14:05:10,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666223592] [2021-11-19 14:05:10,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:10,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 14:05:10,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:05:10,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 14:05:10,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1346, Unknown=9, NotChecked=474, Total=1980 [2021-11-19 14:05:10,381 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand has 14 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:05:10,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:10,667 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2021-11-19 14:05:10,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 14:05:10,667 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-11-19 14:05:10,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:10,668 INFO L225 Difference]: With dead ends: 69 [2021-11-19 14:05:10,668 INFO L226 Difference]: Without dead ends: 69 [2021-11-19 14:05:10,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 22.8s TimeCoverageRelationStatistics Valid=162, Invalid=1413, Unknown=9, NotChecked=486, Total=2070 [2021-11-19 14:05:10,670 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 6 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 165 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:10,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 311 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 165 Unchecked, 0.2s Time] [2021-11-19 14:05:10,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-19 14:05:10,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-11-19 14:05:10,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.608695652173913) internal successors, (74), 64 states have internal predecessors, (74), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-19 14:05:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2021-11-19 14:05:10,674 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 80 transitions. Word has length 37 [2021-11-19 14:05:10,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:10,674 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 80 transitions. [2021-11-19 14:05:10,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:05:10,674 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2021-11-19 14:05:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-19 14:05:10,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:10,675 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:05:10,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:10,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:05:10,898 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 35 more)] === [2021-11-19 14:05:10,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:10,899 INFO L85 PathProgramCache]: Analyzing trace with hash 282835288, now seen corresponding path program 1 times [2021-11-19 14:05:10,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:05:10,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844353118] [2021-11-19 14:05:10,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:10,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:05:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:12,440 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 14:05:12,441 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:05:12,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844353118] [2021-11-19 14:05:12,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844353118] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:05:12,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782804361] [2021-11-19 14:05:12,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:12,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:05:12,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:05:12,446 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:05:12,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ae4ace-0cc8-430a-84d7-19b25791cbc7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-19 14:05:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:12,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-19 14:05:12,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:13,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2021-11-19 14:05:13,250 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 24 treesize of output 22 [2021-11-19 14:05:13,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-19 14:05:13,260 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 9 treesize of output 7 [2021-11-19 14:05:13,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:05:13,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:05:13,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-11-19 14:05:13,696 INFO L354 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2021-11-19 14:05:13,697 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 48 treesize of output 48 [2021-11-19 14:05:13,716 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 14:05:13,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44 [2021-11-19 14:05:13,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:05:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:05:13,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-11-19 14:05:14,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:05:14,660 INFO L354 Elim1Store]: treesize reduction 62, result has 21.5 percent of original size [2021-11-19 14:05:14,660 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 75 [2021-11-19 14:05:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:05:14,700 INFO L354 Elim1Store]: treesize reduction 78, result has 17.9 percent of original size [2021-11-19 14:05:14,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 84 [2021-11-19 14:05:14,984 INFO L354 Elim1Store]: treesize reduction 94, result has 15.3 percent of original size [2021-11-19 14:05:14,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 231 treesize of output 118 [2021-11-19 14:05:15,028 INFO L354 Elim1Store]: treesize reduction 174, result has 10.8 percent of original size [2021-11-19 14:05:15,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 159 treesize of output 118 [2021-11-19 14:05:15,208 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-19 14:05:15,208 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 54 [2021-11-19 14:05:15,214 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-19 14:05:15,214 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 48 treesize of output 34 [2021-11-19 14:05:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 14:05:15,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:25,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:06:25,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 365 [2021-11-19 14:06:25,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:06:25,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 434 [2021-11-19 14:06:34,380 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38| Int) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26| Int)) (or (and (forall ((|ULTIMATE.start_sll_insert_~last~0#1.offset| Int) (|ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| Int)) (<= 0 (+ (select (select (let ((.cse0 (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11|))) (store |c_#memory_$Pointer$.offset| .cse1 (store (select |c_#memory_$Pointer$.offset| .cse1) (+ |ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| 4) |c_node_create_#res#1.offset|))))) (store .cse0 |c_node_create_#res#1.base| (store (select .cse0 |c_node_create_#res#1.base|) (+ 4 |c_node_create_#res#1.offset|) |ULTIMATE.start_sll_insert_~last~0#1.offset|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|) 4))) (forall ((|ULTIMATE.start_sll_insert_~last~0#1.offset| Int) (v_subst_1 Int) (|ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| Int)) (let ((.cse3 (+ 4 |c_node_create_#res#1.offset|)) (.cse4 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11|)) (.cse5 (+ |ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| 4))) (<= (+ (select (select (let ((.cse2 (store |c_#memory_$Pointer$.offset| .cse4 (store (select |c_#memory_$Pointer$.offset| .cse4) .cse5 |c_node_create_#res#1.offset|)))) (store .cse2 |c_node_create_#res#1.base| (store (select .cse2 |c_node_create_#res#1.base|) .cse3 |ULTIMATE.start_sll_insert_~last~0#1.offset|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|) 8) (select |c_#length| (select (select (let ((.cse6 (store |c_#memory_$Pointer$.base| .cse4 (store (select |c_#memory_$Pointer$.base| .cse4) .cse5 |c_node_create_#res#1.base|)))) (store .cse6 |c_node_create_#res#1.base| (store (select .cse6 |c_node_create_#res#1.base|) .cse3 v_subst_1))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|)))))) (exists ((|v_node_create_~temp~0#1.base_89| Int)) (and (< |v_node_create_~temp~0#1.base_89| |c_#StackHeapBarrier|) (or (exists ((v_DerPreprocessor_11 Int) (v_DerPreprocessor_12 Int) (|ULTIMATE.start_sll_insert_~last~0#1.offset| Int) (|ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| Int)) (< (+ (select (select (let ((.cse7 (let ((.cse8 (store |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_89| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_89|) 4 0) 0 v_DerPreprocessor_12))) (.cse9 (select (select (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_89| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_89|) 4 0) 0 v_DerPreprocessor_11)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11|))) (store .cse8 .cse9 (store (select .cse8 .cse9) (+ |ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| 4) 0))))) (store .cse7 |v_node_create_~temp~0#1.base_89| (store (select .cse7 |v_node_create_~temp~0#1.base_89|) 4 |ULTIMATE.start_sll_insert_~last~0#1.offset|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|) 4) 0)) (exists ((v_prenex_15 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_12 Int) (v_prenex_14 Int) (v_subst_1 Int)) (let ((.cse11 (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_89| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_89|) 4 0) 0 v_DerPreprocessor_11)))) (let ((.cse12 (select (select .cse11 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11|)) (.cse13 (+ v_prenex_15 4))) (< (select (store |c_old(#length)| |v_node_create_~temp~0#1.base_89| 8) (select (select (let ((.cse10 (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 |v_node_create_~temp~0#1.base_89|)))) (store .cse10 |v_node_create_~temp~0#1.base_89| (store (select .cse10 |v_node_create_~temp~0#1.base_89|) 4 v_subst_1))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|)) (+ 8 (select (select (let ((.cse14 (let ((.cse15 (store |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_89| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_89|) 4 0) 0 v_DerPreprocessor_12)))) (store .cse15 .cse12 (store (select .cse15 .cse12) .cse13 0))))) (store .cse14 |v_node_create_~temp~0#1.base_89| (store (select .cse14 |v_node_create_~temp~0#1.base_89|) 4 v_prenex_14))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|))))))) (= (select |c_old(#valid)| |v_node_create_~temp~0#1.base_89|) 0))))) is different from false [2021-11-19 14:06:34,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:06:34,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 677 [2021-11-19 14:06:34,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:06:34,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 789 [2021-11-19 14:06:37,460 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38| Int) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26| Int)) (or (exists ((|v_node_create_~temp~0#1.base_89| Int)) (and (< |v_node_create_~temp~0#1.base_89| |c_#StackHeapBarrier|) (or (exists ((v_DerPreprocessor_11 Int) (v_DerPreprocessor_12 Int) (|ULTIMATE.start_sll_insert_~last~0#1.offset| Int) (|ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| Int)) (< (+ (select (select (let ((.cse0 (let ((.cse1 (store |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_89| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_89|) 4 0) 0 v_DerPreprocessor_12))) (.cse2 (select (select (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_89| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_89|) 4 0) 0 v_DerPreprocessor_11)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11|))) (store .cse1 .cse2 (store (select .cse1 .cse2) (+ |ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| 4) 0))))) (store .cse0 |v_node_create_~temp~0#1.base_89| (store (select .cse0 |v_node_create_~temp~0#1.base_89|) 4 |ULTIMATE.start_sll_insert_~last~0#1.offset|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|) 4) 0)) (exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_prenex_17 Int) (v_prenex_14 Int) (v_subst_1 Int)) (let ((.cse4 (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_89| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_89|) 4 0) 0 v_prenex_16)))) (let ((.cse5 (select (select .cse4 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11|)) (.cse6 (+ v_prenex_15 4))) (< (select (store |c_old(#length)| |v_node_create_~temp~0#1.base_89| 8) (select (select (let ((.cse3 (store .cse4 .cse5 (store (select .cse4 .cse5) .cse6 |v_node_create_~temp~0#1.base_89|)))) (store .cse3 |v_node_create_~temp~0#1.base_89| (store (select .cse3 |v_node_create_~temp~0#1.base_89|) 4 v_subst_1))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|)) (+ 8 (select (select (let ((.cse7 (let ((.cse8 (store |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_89| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_89|) 4 0) 0 v_prenex_17)))) (store .cse8 .cse5 (store (select .cse8 .cse5) .cse6 0))))) (store .cse7 |v_node_create_~temp~0#1.base_89| (store (select .cse7 |v_node_create_~temp~0#1.base_89|) 4 v_prenex_14))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|))))))) (= (select |c_old(#valid)| |v_node_create_~temp~0#1.base_89|) 0))) (and (forall ((v_DerPreprocessor_13 Int) (v_DerPreprocessor_14 Int) (v_prenex_22 Int) (v_prenex_21 Int) (v_prenex_20 Int)) (let ((.cse15 (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_14)))) (let ((.cse10 (+ |c_node_create_~temp~0#1.offset| 4)) (.cse12 (select (select .cse15 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11|)) (.cse13 (+ v_prenex_22 4))) (<= (+ 8 (select (select (let ((.cse9 (let ((.cse11 (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_13)))) (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 |c_node_create_~temp~0#1.offset|))))) (store .cse9 |c_node_create_~temp~0#1.base| (store (select .cse9 |c_node_create_~temp~0#1.base|) .cse10 v_prenex_20))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|)) (select |c_#length| (select (select (let ((.cse14 (store .cse15 .cse12 (store (select .cse15 .cse12) .cse13 |c_node_create_~temp~0#1.base|)))) (store .cse14 |c_node_create_~temp~0#1.base| (store (select .cse14 |c_node_create_~temp~0#1.base|) .cse10 v_prenex_21))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|)))))) (forall ((v_DerPreprocessor_13 Int) (v_DerPreprocessor_14 Int) (v_prenex_18 Int) (v_prenex_19 Int)) (<= 0 (+ (select (select (let ((.cse16 (let ((.cse17 (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_13))) (.cse18 (select (select (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_14)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11|))) (store .cse17 .cse18 (store (select .cse17 .cse18) (+ v_prenex_19 4) |c_node_create_~temp~0#1.offset|))))) (store .cse16 |c_node_create_~temp~0#1.base| (store (select .cse16 |c_node_create_~temp~0#1.base|) (+ |c_node_create_~temp~0#1.offset| 4) v_prenex_18))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|) 4)))))) is different from false [2021-11-19 14:06:40,261 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38| Int) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26| Int)) (or (exists ((|v_node_create_~temp~0#1.base_89| Int)) (and (< |v_node_create_~temp~0#1.base_89| |c_#StackHeapBarrier|) (or (exists ((v_DerPreprocessor_11 Int) (v_DerPreprocessor_12 Int) (|ULTIMATE.start_sll_insert_~last~0#1.offset| Int) (|ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| Int)) (< (+ (select (select (let ((.cse0 (let ((.cse1 (store |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_89| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_89|) 4 0) 0 v_DerPreprocessor_12))) (.cse2 (select (select (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_89| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_89|) 4 0) 0 v_DerPreprocessor_11)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11|))) (store .cse1 .cse2 (store (select .cse1 .cse2) (+ |ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset| 4) 0))))) (store .cse0 |v_node_create_~temp~0#1.base_89| (store (select .cse0 |v_node_create_~temp~0#1.base_89|) 4 |ULTIMATE.start_sll_insert_~last~0#1.offset|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|) 4) 0)) (exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_prenex_17 Int) (v_prenex_14 Int) (v_subst_1 Int)) (let ((.cse4 (store |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_89| (store (store (select |c_old(#memory_$Pointer$.base)| |v_node_create_~temp~0#1.base_89|) 4 0) 0 v_prenex_16)))) (let ((.cse5 (select (select .cse4 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11|)) (.cse6 (+ v_prenex_15 4))) (< (select (store |c_old(#length)| |v_node_create_~temp~0#1.base_89| 8) (select (select (let ((.cse3 (store .cse4 .cse5 (store (select .cse4 .cse5) .cse6 |v_node_create_~temp~0#1.base_89|)))) (store .cse3 |v_node_create_~temp~0#1.base_89| (store (select .cse3 |v_node_create_~temp~0#1.base_89|) 4 v_subst_1))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|)) (+ 8 (select (select (let ((.cse7 (let ((.cse8 (store |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_89| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_node_create_~temp~0#1.base_89|) 4 0) 0 v_prenex_17)))) (store .cse8 .cse5 (store (select .cse8 .cse5) .cse6 0))))) (store .cse7 |v_node_create_~temp~0#1.base_89| (store (select .cse7 |v_node_create_~temp~0#1.base_89|) 4 v_prenex_14))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|))))))) (= (select |c_old(#valid)| |v_node_create_~temp~0#1.base_89|) 0))) (and (forall ((v_DerPreprocessor_13 Int) (v_DerPreprocessor_14 Int) (v_prenex_22 Int) (v_prenex_21 Int) (v_prenex_20 Int)) (let ((.cse10 (+ |c_node_create_~temp~0#1.offset| 4))) (let ((.cse15 (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) .cse10 0) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_14)))) (let ((.cse12 (select (select .cse15 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11|)) (.cse13 (+ v_prenex_22 4))) (<= (+ 8 (select (select (let ((.cse9 (let ((.cse11 (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) .cse10 0) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_13)))) (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 |c_node_create_~temp~0#1.offset|))))) (store .cse9 |c_node_create_~temp~0#1.base| (store (select .cse9 |c_node_create_~temp~0#1.base|) .cse10 v_prenex_20))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|)) (select |c_#length| (select (select (let ((.cse14 (store .cse15 .cse12 (store (select .cse15 .cse12) .cse13 |c_node_create_~temp~0#1.base|)))) (store .cse14 |c_node_create_~temp~0#1.base| (store (select .cse14 |c_node_create_~temp~0#1.base|) .cse10 v_prenex_21))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|))))))) (forall ((v_DerPreprocessor_13 Int) (v_DerPreprocessor_14 Int) (v_prenex_18 Int) (v_prenex_19 Int)) (<= 0 (+ (select (select (let ((.cse17 (+ |c_node_create_~temp~0#1.offset| 4))) (let ((.cse16 (let ((.cse18 (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) .cse17 0) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_13))) (.cse19 (select (select (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) .cse17 0) |c_node_create_~temp~0#1.offset| v_DerPreprocessor_14)) |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_13|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_11|))) (store .cse18 .cse19 (store (select .cse18 .cse19) (+ v_prenex_19 4) |c_node_create_~temp~0#1.offset|))))) (store .cse16 |c_node_create_~temp~0#1.base| (store (select .cse16 |c_node_create_~temp~0#1.base|) .cse17 v_prenex_18)))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_38|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_26|) 4)))))) is different from false [2021-11-19 14:07:09,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7360051 treesize of output 7062559 [2021-11-19 14:07:18,020 WARN L227 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 687 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-19 14:07:18,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 335302835 treesize of output 332156783