./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/brs5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 908db381a067cd65920e47aeaa3ff4913a67de2048af6864f01f76e8ca691571 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:41:08,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:41:08,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:41:08,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:41:08,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:41:08,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:41:08,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:41:08,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:41:08,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:41:08,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:41:08,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:41:08,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:41:08,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:41:08,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:41:08,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:41:08,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:41:08,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:41:08,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:41:08,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:41:08,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:41:08,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:41:08,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:41:08,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:41:08,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:41:08,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:41:08,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:41:08,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:41:08,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:41:08,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:41:08,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:41:08,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:41:08,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:41:08,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:41:08,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:41:08,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:41:08,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:41:08,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:41:08,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:41:08,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:41:08,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:41:08,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:41:08,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 02:41:08,439 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:41:08,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:41:08,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:41:08,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:41:08,441 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:41:08,441 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:41:08,441 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:41:08,441 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:41:08,441 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:41:08,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:41:08,442 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:41:08,442 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:41:08,442 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:41:08,442 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:41:08,442 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:41:08,443 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:41:08,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:41:08,444 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:41:08,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:41:08,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:41:08,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:41:08,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:41:08,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:41:08,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:41:08,445 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:41:08,445 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:41:08,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:41:08,445 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:41:08,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:41:08,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:41:08,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:41:08,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:41:08,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:41:08,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:41:08,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:41:08,447 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:41:08,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:41:08,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:41:08,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:41:08,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:41:08,448 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_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 908db381a067cd65920e47aeaa3ff4913a67de2048af6864f01f76e8ca691571 [2021-11-13 02:41:08,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:41:08,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:41:08,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:41:08,769 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:41:08,770 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:41:08,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-fpi/brs5.c [2021-11-13 02:41:08,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/data/046ea6263/5384bb70f307443ba3b9857872acd9eb/FLAG43e98b832 [2021-11-13 02:41:09,287 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:41:09,288 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/sv-benchmarks/c/array-fpi/brs5.c [2021-11-13 02:41:09,293 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/data/046ea6263/5384bb70f307443ba3b9857872acd9eb/FLAG43e98b832 [2021-11-13 02:41:09,309 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/data/046ea6263/5384bb70f307443ba3b9857872acd9eb [2021-11-13 02:41:09,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:41:09,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:41:09,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:41:09,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:41:09,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:41:09,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:41:09" (1/1) ... [2021-11-13 02:41:09,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4d1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09, skipping insertion in model container [2021-11-13 02:41:09,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:41:09" (1/1) ... [2021-11-13 02:41:09,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:41:09,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:41:09,541 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/sv-benchmarks/c/array-fpi/brs5.c[587,600] [2021-11-13 02:41:09,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:41:09,580 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:41:09,604 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/sv-benchmarks/c/array-fpi/brs5.c[587,600] [2021-11-13 02:41:09,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:41:09,630 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:41:09,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09 WrapperNode [2021-11-13 02:41:09,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:41:09,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:41:09,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:41:09,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:41:09,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09" (1/1) ... [2021-11-13 02:41:09,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09" (1/1) ... [2021-11-13 02:41:09,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:41:09,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:41:09,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:41:09,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:41:09,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09" (1/1) ... [2021-11-13 02:41:09,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09" (1/1) ... [2021-11-13 02:41:09,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09" (1/1) ... [2021-11-13 02:41:09,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09" (1/1) ... [2021-11-13 02:41:09,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09" (1/1) ... [2021-11-13 02:41:09,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09" (1/1) ... [2021-11-13 02:41:09,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09" (1/1) ... [2021-11-13 02:41:09,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:41:09,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:41:09,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:41:09,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:41:09,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09" (1/1) ... [2021-11-13 02:41:09,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:41:09,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:41:09,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:41:09,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:41:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 02:41:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:41:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 02:41:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:41:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:41:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:41:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 02:41:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:41:10,231 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:41:10,231 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 02:41:10,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:41:10 BoogieIcfgContainer [2021-11-13 02:41:10,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:41:10,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:41:10,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:41:10,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:41:10,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:41:09" (1/3) ... [2021-11-13 02:41:10,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad6b11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:41:10, skipping insertion in model container [2021-11-13 02:41:10,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:09" (2/3) ... [2021-11-13 02:41:10,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad6b11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:41:10, skipping insertion in model container [2021-11-13 02:41:10,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:41:10" (3/3) ... [2021-11-13 02:41:10,255 INFO L111 eAbstractionObserver]: Analyzing ICFG brs5.c [2021-11-13 02:41:10,260 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:41:10,260 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:41:10,304 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:41:10,312 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:41:10,312 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:41:10,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:10,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 02:41:10,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:41:10,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-13 02:41:10,333 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:41:10,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:41:10,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1448994786, now seen corresponding path program 1 times [2021-11-13 02:41:10,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:41:10,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480650742] [2021-11-13 02:41:10,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:10,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:41:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:41:10,545 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:41:10,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480650742] [2021-11-13 02:41:10,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480650742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:41:10,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:41:10,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 02:41:10,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761010153] [2021-11-13 02:41:10,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:41:10,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:41:10,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:41:10,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:41:10,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:41:10,592 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:10,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:41:10,651 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-13 02:41:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:41:10,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-13 02:41:10,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:41:10,659 INFO L225 Difference]: With dead ends: 18 [2021-11-13 02:41:10,659 INFO L226 Difference]: Without dead ends: 8 [2021-11-13 02:41:10,662 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 [2021-11-13 02:41:10,666 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.36ms IncrementalHoareTripleChecker+Time [2021-11-13 02:41:10,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 14 Unknown, 0 Unchecked, 0.60ms Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 41.36ms Time] [2021-11-13 02:41:10,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-13 02:41:10,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-13 02:41:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-13 02:41:10,698 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2021-11-13 02:41:10,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:41:10,698 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-13 02:41:10,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-13 02:41:10,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 02:41:10,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:41:10,710 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:41:10,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 02:41:10,711 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:41:10,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:41:10,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1973441861, now seen corresponding path program 1 times [2021-11-13 02:41:10,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:41:10,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774026543] [2021-11-13 02:41:10,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:10,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:41:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 02:41:10,802 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:41:10,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774026543] [2021-11-13 02:41:10,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774026543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:41:10,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:41:10,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 02:41:10,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404572763] [2021-11-13 02:41:10,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:41:10,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:41:10,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:41:10,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:41:10,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:41:10,807 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:10,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:41:10,830 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-11-13 02:41:10,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:41:10,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-13 02:41:10,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:41:10,831 INFO L225 Difference]: With dead ends: 12 [2021-11-13 02:41:10,831 INFO L226 Difference]: Without dead ends: 9 [2021-11-13 02:41:10,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:41:10,834 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 5 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.40ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.86ms IncrementalHoareTripleChecker+Time [2021-11-13 02:41:10,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 4 Invalid, 12 Unknown, 0 Unchecked, 0.40ms Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 17.86ms Time] [2021-11-13 02:41:10,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-13 02:41:10,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-13 02:41:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-11-13 02:41:10,838 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 7 [2021-11-13 02:41:10,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:41:10,839 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-13 02:41:10,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:10,839 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-13 02:41:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 02:41:10,840 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:41:10,840 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:41:10,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 02:41:10,841 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:41:10,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:41:10,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1046873979, now seen corresponding path program 1 times [2021-11-13 02:41:10,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:41:10,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163403505] [2021-11-13 02:41:10,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:10,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:41:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 02:41:11,005 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:41:11,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163403505] [2021-11-13 02:41:11,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163403505] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 02:41:11,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839779439] [2021-11-13 02:41:11,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:11,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:41:11,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:41:11,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:41:11,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 02:41:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:11,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 02:41:11,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:41:11,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 02:41:11,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-11-13 02:41:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 02:41:11,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:41:11,517 INFO L354 Elim1Store]: treesize reduction 48, result has 64.2 percent of original size [2021-11-13 02:41:11,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 121 [2021-11-13 02:41:11,924 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:11,925 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 78 treesize of output 77 [2021-11-13 02:41:12,047 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,047 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 72 treesize of output 71 [2021-11-13 02:41:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 02:41:12,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839779439] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:41:12,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [333163037] [2021-11-13 02:41:12,150 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-13 02:41:12,150 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 02:41:12,156 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 02:41:12,161 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 02:41:12,161 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 02:41:12,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:12,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 02:41:12,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:12,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:41:12,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-13 02:41:12,220 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_20|]} [2021-11-13 02:41:12,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 02:41:12,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:41:12,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:41:12,240 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:12,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:12,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 02:41:12,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:41:12,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:41:12,338 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:12,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:12,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-13 02:41:12,356 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:41:12,356 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-13 02:41:12,369 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-13 02:41:12,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:12,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 02:41:12,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:12,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-13 02:41:12,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 245 [2021-11-13 02:41:12,389 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_18|], 28=[|v_#valid_21|]} [2021-11-13 02:41:12,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 02:41:12,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:12,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:12,403 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:12,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,436 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-13 02:41:12,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-13 02:41:12,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 02:41:12,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 02:41:12,447 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:12,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:12,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-13 02:41:12,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-13 02:41:12,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-13 02:41:12,519 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:12,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:12,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-13 02:41:12,572 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:41:12,573 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:460, output treesize:218 [2021-11-13 02:41:12,599 INFO L180 QuantifierPusher]: treesize reduction 58, result has 82.4 percent of original size [2021-11-13 02:41:12,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:12,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:12,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-13 02:41:12,613 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:12,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-13 02:41:12,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-11-13 02:41:12,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:12,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-13 02:41:12,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2021-11-13 02:41:12,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 02:41:12,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:12,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:12,654 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:12,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:12,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-13 02:41:12,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-13 02:41:12,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-13 02:41:12,728 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:12,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:12,761 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-13 02:41:12,769 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:41:12,770 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:498, output treesize:244 [2021-11-13 02:41:12,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:12,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:12,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:12,946 INFO L180 QuantifierPusher]: treesize reduction 58, result has 91.0 percent of original size [2021-11-13 02:41:12,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:12,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:12,993 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-13 02:41:13,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 02:41:13,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 501 [2021-11-13 02:41:13,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 482 [2021-11-13 02:41:13,049 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-13 02:41:13,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 02:41:13,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 501 [2021-11-13 02:41:13,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 482 [2021-11-13 02:41:13,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 984 [2021-11-13 02:41:13,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 516 [2021-11-13 02:41:13,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 598 [2021-11-13 02:41:13,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 02:41:13,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:13,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:13,176 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:13,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 02:41:13,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:13,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:13,200 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:13,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-13 02:41:13,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-13 02:41:13,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-13 02:41:13,319 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:13,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 132 [2021-11-13 02:41:13,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-13 02:41:13,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-13 02:41:13,390 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:13,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,510 INFO L180 QuantifierPusher]: treesize reduction 131, result has 80.3 percent of original size [2021-11-13 02:41:13,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 533 [2021-11-13 02:41:13,522 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 02:41:13,523 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1343, output treesize:533 [2021-11-13 02:41:13,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,650 INFO L180 QuantifierPusher]: treesize reduction 106, result has 50.5 percent of original size [2021-11-13 02:41:13,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:41:13,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:41:13,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-13 02:41:13,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 02:41:13,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:41:13,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:41:13,672 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:13,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 02:41:13,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:41:13,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:41:13,694 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:13,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,702 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-13 02:41:13,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 02:41:13,707 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:168, output treesize:160 [2021-11-13 02:41:13,714 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-13 02:41:13,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 02:41:13,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 02:41:13,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:41:13,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-13 02:41:13,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 02:41:13,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:41:13,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:41:13,744 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:13,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,747 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-13 02:41:13,751 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:41:13,752 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2021-11-13 02:41:13,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 02:41:13,804 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 02:41:13,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:41:13,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 02:41:13,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 02:41:13,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-13 02:41:13,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 02:41:13,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-13 02:41:13,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-13 02:41:13,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-13 02:41:13,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,849 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,849 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 1 case distinctions, treesize of input 34 treesize of output 25 [2021-11-13 02:41:13,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:41:13,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:41:13,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:13,863 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 02:41:13,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:13,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:13,865 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:13,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 02:41:13,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:41:13,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:41:13,876 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:13,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,895 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,907 INFO L180 QuantifierPusher]: treesize reduction 117, result has 55.2 percent of original size [2021-11-13 02:41:13,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-13 02:41:13,910 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 02:41:13,910 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:423, output treesize:144 [2021-11-13 02:41:13,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,955 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-13 02:41:13,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:41:13,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:13,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 02:41:13,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-13 02:41:13,967 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_int_39|], 6=[v_prenex_3]} [2021-11-13 02:41:13,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 02:41:13,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:41:13,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:41:13,976 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:13,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:13,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:13,996 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,996 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 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-13 02:41:13,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:13,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:13,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:14,000 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:14,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:14,007 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-13 02:41:14,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:14,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 02:41:14,012 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 02:41:14,012 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-13 02:41:14,021 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 02:41:14,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 02:41:14,717 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 02:41:14,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-13 02:41:14,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964851723] [2021-11-13 02:41:14,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 02:41:14,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 02:41:14,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:41:14,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 02:41:14,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-13 02:41:14,719 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:14,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:41:14,787 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2021-11-13 02:41:14,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:41:14,788 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-13 02:41:14,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:41:14,789 INFO L225 Difference]: With dead ends: 13 [2021-11-13 02:41:14,789 INFO L226 Difference]: Without dead ends: 10 [2021-11-13 02:41:14,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-11-13 02:41:14,791 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.95ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.23ms IncrementalHoareTripleChecker+Time [2021-11-13 02:41:14,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 12 Invalid, 48 Unknown, 0 Unchecked, 0.95ms Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 49.23ms Time] [2021-11-13 02:41:14,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-13 02:41:14,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-13 02:41:14,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:14,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-11-13 02:41:14,794 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 8 [2021-11-13 02:41:14,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:41:14,795 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-11-13 02:41:14,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-13 02:41:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 02:41:14,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:41:14,796 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:41:14,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:41:15,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:41:15,015 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:41:15,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:41:15,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1906926587, now seen corresponding path program 2 times [2021-11-13 02:41:15,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:41:15,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865764150] [2021-11-13 02:41:15,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:15,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:41:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:41:15,118 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:41:15,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865764150] [2021-11-13 02:41:15,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865764150] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 02:41:15,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029760540] [2021-11-13 02:41:15,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 02:41:15,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:41:15,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:41:15,120 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:41:15,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 02:41:15,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 02:41:15,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 02:41:15,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 02:41:15,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:41:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:41:15,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:41:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:41:15,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029760540] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:41:15,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [495774605] [2021-11-13 02:41:15,283 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-13 02:41:15,283 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 02:41:15,284 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 02:41:15,284 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 02:41:15,284 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 02:41:15,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 02:41:15,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:41:15,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-13 02:41:15,308 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 21=[|v_#valid_23|]} [2021-11-13 02:41:15,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 02:41:15,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:41:15,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:41:15,321 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:15,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 02:41:15,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:41:15,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:41:15,350 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:15,355 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-13 02:41:15,359 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,359 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-13 02:41:15,367 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-13 02:41:15,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 02:41:15,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-13 02:41:15,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 245 [2021-11-13 02:41:15,381 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_21|], 28=[|v_#valid_24|]} [2021-11-13 02:41:15,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 02:41:15,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:15,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:15,391 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,418 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-13 02:41:15,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-13 02:41:15,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 02:41:15,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 02:41:15,422 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:15,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-13 02:41:15,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-13 02:41:15,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-13 02:41:15,463 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:15,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-13 02:41:15,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,481 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:460, output treesize:218 [2021-11-13 02:41:15,492 INFO L180 QuantifierPusher]: treesize reduction 58, result has 82.4 percent of original size [2021-11-13 02:41:15,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-13 02:41:15,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-11-13 02:41:15,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 112 [2021-11-13 02:41:15,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-13 02:41:15,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-13 02:41:15,551 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:15,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 225 [2021-11-13 02:41:15,567 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,567 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:229, output treesize:225 [2021-11-13 02:41:15,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:15,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:15,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:15,681 INFO L180 QuantifierPusher]: treesize reduction 58, result has 90.8 percent of original size [2021-11-13 02:41:15,698 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-13 02:41:15,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-13 02:41:15,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-11-13 02:41:15,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-13 02:41:15,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-13 02:41:15,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-13 02:41:15,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-11-13 02:41:15,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-13 02:41:15,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 546 [2021-11-13 02:41:15,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:15,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 493 [2021-11-13 02:41:15,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 578 [2021-11-13 02:41:15,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 02:41:15,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:15,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:15,803 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-13 02:41:15,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-13 02:41:15,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-13 02:41:15,897 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 02:41:15,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:15,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:15,915 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:15,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 127 [2021-11-13 02:41:15,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-13 02:41:15,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:15,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-13 02:41:15,981 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:15,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,058 INFO L180 QuantifierPusher]: treesize reduction 126, result has 80.5 percent of original size [2021-11-13 02:41:16,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 521 [2021-11-13 02:41:16,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 02:41:16,069 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1309, output treesize:521 [2021-11-13 02:41:16,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,172 INFO L180 QuantifierPusher]: treesize reduction 106, result has 50.5 percent of original size [2021-11-13 02:41:16,174 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:41:16,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:41:16,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-13 02:41:16,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 02:41:16,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:41:16,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:41:16,190 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:16,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 02:41:16,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:41:16,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:41:16,206 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:16,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-13 02:41:16,217 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 02:41:16,218 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:168, output treesize:160 [2021-11-13 02:41:16,225 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-13 02:41:16,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 02:41:16,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:41:16,240 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-11-13 02:41:16,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 02:41:16,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:41:16,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:41:16,251 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:16,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,255 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-11-13 02:41:16,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-13 02:41:16,257 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:41:16,257 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:62 [2021-11-13 02:41:16,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 02:41:16,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 02:41:16,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 02:41:16,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-13 02:41:16,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 02:41:16,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 02:41:16,313 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:41:16,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 02:41:16,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-13 02:41:16,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-11-13 02:41:16,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:16,338 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,338 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 1 case distinctions, treesize of input 34 treesize of output 25 [2021-11-13 02:41:16,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 02:41:16,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 02:41:16,341 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:16,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 02:41:16,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:41:16,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:41:16,356 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:16,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 02:41:16,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:16,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:16,366 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:16,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,386 INFO L180 QuantifierPusher]: treesize reduction 119, result has 54.8 percent of original size [2021-11-13 02:41:16,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-13 02:41:16,393 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 02:41:16,394 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:419, output treesize:144 [2021-11-13 02:41:16,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,432 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-13 02:41:16,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 02:41:16,438 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:41:16,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:41:16,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-13 02:41:16,443 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_5], 6=[|v_#memory_int_48|]} [2021-11-13 02:41:16,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 02:41:16,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:41:16,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:41:16,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:16,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,459 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:41:16,474 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,475 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 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-13 02:41:16,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:16,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:41:16,478 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:41:16,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:41:16,485 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-13 02:41:16,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:41:16,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 02:41:16,489 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 02:41:16,490 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-13 02:41:16,498 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 02:41:17,143 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 02:41:17,143 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 02:41:17,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-13 02:41:17,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141733929] [2021-11-13 02:41:17,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 02:41:17,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 02:41:17,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:41:17,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 02:41:17,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-13 02:41:17,145 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:17,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:41:17,207 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2021-11-13 02:41:17,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 02:41:17,208 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-13 02:41:17,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:41:17,209 INFO L225 Difference]: With dead ends: 17 [2021-11-13 02:41:17,209 INFO L226 Difference]: Without dead ends: 11 [2021-11-13 02:41:17,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-11-13 02:41:17,210 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.75ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.76ms IncrementalHoareTripleChecker+Time [2021-11-13 02:41:17,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 10 Invalid, 43 Unknown, 0 Unchecked, 0.75ms Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 45.76ms Time] [2021-11-13 02:41:17,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-13 02:41:17,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-13 02:41:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:17,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-11-13 02:41:17,213 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 9 [2021-11-13 02:41:17,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:41:17,213 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-11-13 02:41:17,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:17,214 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-13 02:41:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 02:41:17,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:41:17,214 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-13 02:41:17,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:41:17,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:41:17,415 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:41:17,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:41:17,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1099829186, now seen corresponding path program 3 times [2021-11-13 02:41:17,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:41:17,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768175824] [2021-11-13 02:41:17,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:17,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:41:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:17,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:41:17,835 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:41:17,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768175824] [2021-11-13 02:41:17,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768175824] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 02:41:17,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671505646] [2021-11-13 02:41:17,836 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 02:41:17,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:41:17,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:41:17,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:41:17,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac42aff-f81e-4728-bbb9-55ccf73459de/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 02:41:17,881 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 02:41:17,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 02:41:17,882 WARN L261 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 02:41:17,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:41:17,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 51 [2021-11-13 02:41:17,940 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 11 treesize of output 3 [2021-11-13 02:41:17,964 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 11 treesize of output 3 [2021-11-13 02:41:18,339 INFO L354 Elim1Store]: treesize reduction 57, result has 54.8 percent of original size [2021-11-13 02:41:18,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 122 [2021-11-13 02:41:20,918 INFO L354 Elim1Store]: treesize reduction 140, result has 44.2 percent of original size [2021-11-13 02:41:20,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 129 treesize of output 202 [2021-11-13 02:42:43,963 INFO L354 Elim1Store]: treesize reduction 110, result has 77.9 percent of original size [2021-11-13 02:42:43,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 564 treesize of output 849