./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array3_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array3_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c9f77a5f5cfb41429e6b2e557580f5f8a855ca718c241fb5a07541ef3b21ab2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:44:01,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:44:01,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:44:01,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:44:01,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:44:01,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:44:01,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:44:01,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:44:01,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:44:01,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:44:01,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:44:01,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:44:01,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:44:01,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:44:01,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:44:01,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:44:01,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:44:01,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:44:01,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:44:01,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:44:01,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:44:01,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:44:01,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:44:01,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:44:01,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:44:01,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:44:01,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:44:01,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:44:01,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:44:01,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:44:01,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:44:01,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:44:01,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:44:01,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:44:01,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:44:01,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:44:01,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:44:01,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:44:01,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:44:01,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:44:01,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:44:01,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:44:01,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:44:01,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:44:01,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:44:01,917 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:44:01,917 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:44:01,917 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:44:01,917 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:44:01,918 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:44:01,918 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:44:01,918 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:44:01,918 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:44:01,924 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:44:01,924 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:44:01,924 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:44:01,925 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:44:01,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:44:01,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:44:01,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:44:01,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:44:01,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:44:01,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:44:01,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:44:01,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:44:01,927 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:44:01,927 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:44:01,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:44:01,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:44:01,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:44:01,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:44:01,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:44:01,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:44:01,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:44:01,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:44:01,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:44:01,930 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:44:01,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:44:01,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:44:01,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:44:01,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:44:01,932 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_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c9f77a5f5cfb41429e6b2e557580f5f8a855ca718c241fb5a07541ef3b21ab2 [2021-11-03 05:44:02,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:44:02,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:44:02,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:44:02,208 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:44:02,209 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:44:02,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/array-patterns/array3_pattern.c [2021-11-03 05:44:02,284 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/data/3ec3b4175/799967b0d01c4600bc5e8041e56f1d28/FLAG73bc830bd [2021-11-03 05:44:02,764 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:44:02,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/sv-benchmarks/c/array-patterns/array3_pattern.c [2021-11-03 05:44:02,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/data/3ec3b4175/799967b0d01c4600bc5e8041e56f1d28/FLAG73bc830bd [2021-11-03 05:44:03,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/data/3ec3b4175/799967b0d01c4600bc5e8041e56f1d28 [2021-11-03 05:44:03,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:44:03,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:44:03,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:44:03,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:44:03,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:44:03,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:44:03" (1/1) ... [2021-11-03 05:44:03,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f00160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03, skipping insertion in model container [2021-11-03 05:44:03,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:44:03" (1/1) ... [2021-11-03 05:44:03,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:44:03,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:44:03,372 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_03fe81a9-8d99-4bbb-a151-7794b956de6d/sv-benchmarks/c/array-patterns/array3_pattern.c[1393,1406] [2021-11-03 05:44:03,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:44:03,403 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:44:03,413 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_03fe81a9-8d99-4bbb-a151-7794b956de6d/sv-benchmarks/c/array-patterns/array3_pattern.c[1393,1406] [2021-11-03 05:44:03,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:44:03,439 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:44:03,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03 WrapperNode [2021-11-03 05:44:03,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:44:03,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:44:03,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:44:03,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:44:03,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03" (1/1) ... [2021-11-03 05:44:03,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03" (1/1) ... [2021-11-03 05:44:03,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:44:03,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:44:03,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:44:03,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:44:03,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03" (1/1) ... [2021-11-03 05:44:03,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03" (1/1) ... [2021-11-03 05:44:03,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03" (1/1) ... [2021-11-03 05:44:03,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03" (1/1) ... [2021-11-03 05:44:03,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03" (1/1) ... [2021-11-03 05:44:03,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03" (1/1) ... [2021-11-03 05:44:03,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03" (1/1) ... [2021-11-03 05:44:03,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:44:03,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:44:03,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:44:03,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:44:03,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03" (1/1) ... [2021-11-03 05:44:03,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:44:03,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:44:03,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:44:03,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:44:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:44:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:44:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 05:44:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:44:03,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:44:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 05:44:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:44:04,004 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:44:04,004 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-03 05:44:04,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:44:04 BoogieIcfgContainer [2021-11-03 05:44:04,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:44:04,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:44:04,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:44:04,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:44:04,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:44:03" (1/3) ... [2021-11-03 05:44:04,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2025687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:44:04, skipping insertion in model container [2021-11-03 05:44:04,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:44:03" (2/3) ... [2021-11-03 05:44:04,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2025687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:44:04, skipping insertion in model container [2021-11-03 05:44:04,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:44:04" (3/3) ... [2021-11-03 05:44:04,016 INFO L111 eAbstractionObserver]: Analyzing ICFG array3_pattern.c [2021-11-03 05:44:04,021 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:44:04,021 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:44:04,118 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:44:04,124 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:44:04,125 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:44:04,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) 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) [2021-11-03 05:44:04,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 05:44:04,142 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:04,143 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:44:04,144 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:04,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:04,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1668328457, now seen corresponding path program 1 times [2021-11-03 05:44:04,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:04,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965588925] [2021-11-03 05:44:04,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:04,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:04,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:04,319 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:04,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965588925] [2021-11-03 05:44:04,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965588925] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:04,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:04,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:44:04,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525962082] [2021-11-03 05:44:04,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 05:44:04,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:04,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 05:44:04,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:44:04,343 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) 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) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:04,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:04,356 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-03 05:44:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 05:44:04,358 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-03 05:44:04,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:04,365 INFO L225 Difference]: With dead ends: 18 [2021-11-03 05:44:04,365 INFO L226 Difference]: Without dead ends: 9 [2021-11-03 05:44:04,368 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:44:04,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-03 05:44:04,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-03 05:44:04,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-03 05:44:04,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 7 [2021-11-03 05:44:04,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:04,397 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-03 05:44:04,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-03 05:44:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-03 05:44:04,398 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:04,398 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:44:04,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:44:04,399 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:04,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:04,400 INFO L85 PathProgramCache]: Analyzing trace with hash 372033532, now seen corresponding path program 1 times [2021-11-03 05:44:04,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:04,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633377209] [2021-11-03 05:44:04,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:04,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:04,423 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:44:04,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [992334536] [2021-11-03 05:44:04,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:04,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:44:04,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:44:04,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:44:04,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 05:44:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:04,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 05:44:04,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:44:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:04,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:44:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:04,730 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:04,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633377209] [2021-11-03 05:44:04,730 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:44:04,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992334536] [2021-11-03 05:44:04,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992334536] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:04,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:44:04,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-03 05:44:04,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170742496] [2021-11-03 05:44:04,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:44:04,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:04,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:44:04,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:44:04,735 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:04,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:04,760 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2021-11-03 05:44:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:44:04,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 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) Word has length 8 [2021-11-03 05:44:04,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:04,761 INFO L225 Difference]: With dead ends: 17 [2021-11-03 05:44:04,761 INFO L226 Difference]: Without dead ends: 10 [2021-11-03 05:44:04,762 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:44:04,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-03 05:44:04,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-03 05:44:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:04,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-11-03 05:44:04,765 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 8 [2021-11-03 05:44:04,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:04,765 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-03 05:44:04,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:04,766 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-03 05:44:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 05:44:04,766 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:04,766 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:44:04,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:44:04,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:44:04,992 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:04,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:04,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1833610183, now seen corresponding path program 1 times [2021-11-03 05:44:04,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:04,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272733596] [2021-11-03 05:44:04,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:04,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:05,025 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:44:05,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1558187580] [2021-11-03 05:44:05,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:05,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:44:05,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:44:05,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:44:05,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 05:44:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:05,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:44:05,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:44:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:05,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:44:05,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:05,229 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:44:05,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272733596] [2021-11-03 05:44:05,229 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:44:05,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558187580] [2021-11-03 05:44:05,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558187580] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:44:05,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1187588394] [2021-11-03 05:44:05,288 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-03 05:44:05,289 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:44:05,294 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:44:05,299 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:44:05,299 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:44:05,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:05,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:44:05,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:05,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:44:05,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:05,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:44:05,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-03 05:44:05,423 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_1, |v_#length_22|], 55=[|v_#valid_34|]} [2021-11-03 05:44:05,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:44:05,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:44:05,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:44:05,511 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:44:05,530 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:44:05,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:44:05,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:44:05,534 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:44:05,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:05,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,751 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:44:05,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:44:05,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:44:05,754 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:44:05,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:44:05,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:44:05,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:44:05,779 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:44:05,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:05,796 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:05,944 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-03 05:44:05,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-03 05:44:05,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:44:05,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:44:05,959 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:44:05,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:05,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:05,995 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-03 05:44:06,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-11-03 05:44:06,009 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:44:06,010 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:937, output treesize:186 [2021-11-03 05:44:06,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:06,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-03 05:44:06,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-03 05:44:06,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:06,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:06,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:06,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-03 05:44:06,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:44:06,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:44:06,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:44:06,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,107 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 05:44:06,123 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:44:06,123 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:213, output treesize:200 [2021-11-03 05:44:06,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:06,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:06,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:44:06,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:06,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:44:06,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 479 [2021-11-03 05:44:06,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:06,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 434 [2021-11-03 05:44:06,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 541 [2021-11-03 05:44:06,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:06,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:06,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:06,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:06,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:06,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 67 [2021-11-03 05:44:06,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:44:06,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:44:06,462 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:44:06,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:06,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:06,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:06,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-03 05:44:06,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:44:06,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:44:06,512 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:44:06,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,636 INFO L180 QuantifierPusher]: treesize reduction 170, result has 73.8 percent of original size [2021-11-03 05:44:06,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 479 [2021-11-03 05:44:06,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:44:06,646 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:685, output treesize:479 [2021-11-03 05:44:06,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,795 INFO L180 QuantifierPusher]: treesize reduction 60, result has 67.0 percent of original size [2021-11-03 05:44:06,798 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:06,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:44:06,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-11-03 05:44:06,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:44:06,824 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-03 05:44:06,824 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 1 case distinctions, treesize of input 42 treesize of output 25 [2021-11-03 05:44:06,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:44:06,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:44:06,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:44:06,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:06,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-03 05:44:06,837 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:44:06,837 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:121, output treesize:103 [2021-11-03 05:44:06,852 INFO L180 QuantifierPusher]: treesize reduction 61, result has 86.6 percent of original size [2021-11-03 05:44:06,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:06,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:44:06,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:06,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:44:06,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-03 05:44:06,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:44:06,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:44:06,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:44:06,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:44:06,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:44:06,887 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:44:06,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:44:06,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:44:06,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:44:06,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:44:06,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:44:06,902 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:44:07,006 INFO L354 Elim1Store]: treesize reduction 85, result has 55.5 percent of original size [2021-11-03 05:44:07,007 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 5 case distinctions, treesize of input 232 treesize of output 209 [2021-11-03 05:44:07,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-03 05:44:07,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 05:44:07,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:44:07,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-03 05:44:07,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 05:44:07,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-03 05:44:07,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 05:44:07,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 431 [2021-11-03 05:44:07,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-11-03 05:44:07,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 05:44:07,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-03 05:44:07,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 05:44:07,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:44:07,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,113 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,117 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-03 05:44:07,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 05:44:07,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 05:44:07,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 05:44:07,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 05:44:07,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-11-03 05:44:07,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-03 05:44:07,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,157 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:44:07,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-03 05:44:07,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 05:44:07,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-03 05:44:07,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 05:44:07,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 05:44:07,174 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,185 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:44:07,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-03 05:44:07,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 05:44:07,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,211 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,214 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:44:07,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-03 05:44:07,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 05:44:07,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-03 05:44:07,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-03 05:44:07,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:44:07,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 289 [2021-11-03 05:44:07,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-03 05:44:07,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 400 [2021-11-03 05:44:07,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-03 05:44:07,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 620 [2021-11-03 05:44:07,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-03 05:44:07,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 254 [2021-11-03 05:44:07,316 INFO L180 QuantifierPusher]: treesize reduction 20, result has 98.6 percent of original size [2021-11-03 05:44:07,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:44:07,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:44:07,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1333 [2021-11-03 05:44:07,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:44:07,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:44:07,357 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:44:07,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:44:07,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:44:07,359 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:44:07,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:44:07,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,482 INFO L354 Elim1Store]: treesize reduction 85, result has 55.5 percent of original size [2021-11-03 05:44:07,483 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 5 case distinctions, treesize of input 232 treesize of output 209 [2021-11-03 05:44:07,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,488 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,499 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:44:07,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:44:07,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-03 05:44:07,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-03 05:44:07,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-03 05:44:07,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 271 [2021-11-03 05:44:07,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 05:44:07,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,534 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,536 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 05:44:07,539 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 05:44:07,544 INFO L185 QuantifierPusher]: treesize reduction 56, result has 66.7 percent of original size 112 [2021-11-03 05:44:07,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 05:44:07,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 431 [2021-11-03 05:44:07,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-11-03 05:44:07,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 05:44:07,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,569 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,572 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,578 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 05:44:07,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 05:44:07,586 INFO L185 QuantifierPusher]: treesize reduction 56, result has 66.7 percent of original size 112 [2021-11-03 05:44:07,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 05:44:07,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:44:07,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,595 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,597 INFO L185 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size 27 [2021-11-03 05:44:07,599 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-03 05:44:07,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,608 INFO L180 QuantifierPusher]: treesize reduction 32, result has 71.7 percent of original size [2021-11-03 05:44:07,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-03 05:44:07,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,613 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,615 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 05:44:07,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 05:44:07,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 05:44:07,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-03 05:44:07,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 05:44:07,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 05:44:07,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 05:44:07,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 05:44:07,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-03 05:44:07,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:44:07,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-11-03 05:44:07,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-03 05:44:07,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-11-03 05:44:07,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 05:44:07,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 264 [2021-11-03 05:44:07,672 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-03 05:44:07,676 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,680 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:44:07,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:44:07,689 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-03 05:44:07,693 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-03 05:44:07,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-03 05:44:07,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 271 [2021-11-03 05:44:07,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 05:44:07,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 05:44:07,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-03 05:44:07,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-03 05:44:07,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 05:44:07,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-11-03 05:44:07,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-03 05:44:07,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-03 05:44:07,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-03 05:44:07,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 05:44:07,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-03 05:44:07,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 308 [2021-11-03 05:44:07,791 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-03 05:44:07,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 351 [2021-11-03 05:44:07,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 206 [2021-11-03 05:44:07,801 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,806 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:44:07,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:44:07,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-03 05:44:07,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 05:44:07,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:44:07,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:44:07,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 05:44:07,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-03 05:44:07,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:44:07,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:44:07,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-03 05:44:07,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 05:44:07,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:44:07,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:44:07,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 227 [2021-11-03 05:44:07,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-03 05:44:07,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 271 [2021-11-03 05:44:07,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 05:44:07,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-03 05:44:07,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-03 05:44:07,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 620 [2021-11-03 05:44:07,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:07,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:07,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-03 05:44:07,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 254 [2021-11-03 05:44:07,942 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:44:22,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1187588394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:22,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:44:22,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4] total 10 [2021-11-03 05:44:22,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235661882] [2021-11-03 05:44:22,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 05:44:22,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:44:22,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 05:44:22,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=70, Unknown=2, NotChecked=0, Total=110 [2021-11-03 05:44:22,577 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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) [2021-11-03 05:44:40,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:40,317 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-11-03 05:44:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 05:44:40,319 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-03 05:44:40,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:40,319 INFO L225 Difference]: With dead ends: 15 [2021-11-03 05:44:40,320 INFO L226 Difference]: Without dead ends: 12 [2021-11-03 05:44:40,320 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=38, Invalid=70, Unknown=2, NotChecked=0, Total=110 [2021-11-03 05:44:40,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-11-03 05:44:40,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-11-03 05:44:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-11-03 05:44:40,325 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 9 [2021-11-03 05:44:40,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:40,325 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-11-03 05:44:40,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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) [2021-11-03 05:44:40,325 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-03 05:44:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 05:44:40,326 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:40,326 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:44:40,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:44:40,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:44:40,537 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:44:40,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:40,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1007672363, now seen corresponding path program 1 times [2021-11-03 05:44:40,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:44:40,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453244279] [2021-11-03 05:44:40,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:40,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:44:40,553 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:44:40,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [507838134] [2021-11-03 05:44:40,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:40,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:44:40,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:44:40,555 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:44:40,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 05:44:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:40,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-03 05:44:40,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:44:40,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 466 treesize of output 450 [2021-11-03 05:44:41,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-03 05:44:41,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:41,883 INFO L354 Elim1Store]: treesize reduction 393, result has 10.9 percent of original size [2021-11-03 05:44:41,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 222 treesize of output 166 [2021-11-03 05:44:41,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:44:42,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:44:42,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:44:42,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 67 [2021-11-03 05:44:43,234 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-03 05:44:43,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 38 [2021-11-03 05:44:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:44:43,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:45:03,830 WARN L207 SmtUtils]: Spent 18.67 s on a formula simplification. DAG size of input: 194 DAG size of output: 119 [2021-11-03 05:45:03,831 INFO L354 Elim1Store]: treesize reduction 1352, result has 29.1 percent of original size [2021-11-03 05:45:03,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 1049606 treesize of output 347153 [2021-11-03 05:45:05,913 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:05,914 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 370890 treesize of output 361670 [2021-11-03 05:45:07,047 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:07,049 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 361670 treesize of output 352638 [2021-11-03 05:45:08,179 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:45:08,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453244279] [2021-11-03 05:45:08,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:45:08,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507838134] [2021-11-03 05:45:08,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-03 05:45:08,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1092646120] [2021-11-03 05:45:08,182 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-03 05:45:08,182 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:45:08,183 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:45:08,183 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:45:08,183 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:45:08,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:08,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:45:08,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:08,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:45:08,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:08,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:45:08,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-03 05:45:08,215 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|, v_prenex_7], 55=[|v_#valid_36|]} [2021-11-03 05:45:08,228 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:45:08,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:08,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:08,230 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:08,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:45:08,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:08,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:08,240 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:08,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:08,263 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:45:08,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:45:08,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:45:08,483 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:08,491 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:45:08,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:08,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:08,493 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:08,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:08,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,824 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-03 05:45:08,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-03 05:45:08,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:45:08,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:45:08,850 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:08,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:08,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,864 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-03 05:45:08,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-11-03 05:45:08,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:45:08,868 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:937, output treesize:186 [2021-11-03 05:45:08,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:08,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:45:08,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-03 05:45:08,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:08,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-03 05:45:08,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:45:08,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:45:08,926 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:08,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:08,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:08,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 217 [2021-11-03 05:45:08,942 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:45:08,943 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:235, output treesize:217 [2021-11-03 05:45:08,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:08,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:09,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:09,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:09,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:09,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-03 05:45:09,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:09,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:45:09,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 488 [2021-11-03 05:45:09,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:09,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 443 [2021-11-03 05:45:09,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 553 [2021-11-03 05:45:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:09,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:09,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:09,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:09,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:09,286 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-11-03 05:45:09,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 77 [2021-11-03 05:45:09,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 05:45:09,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 05:45:09,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:09,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:09,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:09,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:09,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-03 05:45:09,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:45:09,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:45:09,442 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:09,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:09,509 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,531 INFO L180 QuantifierPusher]: treesize reduction 175, result has 73.6 percent of original size [2021-11-03 05:45:09,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 489 [2021-11-03 05:45:09,539 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:45:09,539 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:700, output treesize:489 [2021-11-03 05:45:09,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:09,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:09,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:09,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:09,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:09,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:09,649 INFO L180 QuantifierPusher]: treesize reduction 60, result has 67.0 percent of original size [2021-11-03 05:45:09,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:09,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:45:09,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-11-03 05:45:09,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:09,752 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-03 05:45:09,752 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 1 case distinctions, treesize of input 42 treesize of output 25 [2021-11-03 05:45:09,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:45:09,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:45:09,755 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:09,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:09,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-03 05:45:09,764 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:45:09,764 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:121, output treesize:103 [2021-11-03 05:45:09,787 INFO L180 QuantifierPusher]: treesize reduction 61, result has 86.6 percent of original size [2021-11-03 05:45:09,788 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:09,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:45:09,789 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:09,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:45:09,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-03 05:45:09,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:09,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:09,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:45:09,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:09,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:09,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:09,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:09,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:09,840 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:45:09,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:09,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:09,841 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:09,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:09,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:09,851 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:45:09,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:09,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:09,853 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:09,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:09,871 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:09,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:10,426 INFO L354 Elim1Store]: treesize reduction 85, result has 55.5 percent of original size [2021-11-03 05:45:10,427 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 5 case distinctions, treesize of input 232 treesize of output 209 [2021-11-03 05:45:10,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,438 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:45:10,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-03 05:45:10,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:45:10,452 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:45:10,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 05:45:10,457 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-03 05:45:10,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2021-11-03 05:45:10,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-11-03 05:45:10,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 05:45:10,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:45:10,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-03 05:45:10,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:45:10,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 05:45:10,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:45:10,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:45:10,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 05:45:10,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:45:10,489 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:45:10,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-11-03 05:45:10,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 05:45:10,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:45:10,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 05:45:10,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-03 05:45:10,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:45:10,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,512 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,515 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-03 05:45:10,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:45:10,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-03 05:45:10,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-03 05:45:10,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,524 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:45:10,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 05:45:10,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 05:45:10,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-11-03 05:45:10,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 319 [2021-11-03 05:45:10,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 05:45:10,534 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:45:10,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-11-03 05:45:10,537 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-03 05:45:10,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 371 [2021-11-03 05:45:10,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-03 05:45:10,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 254 [2021-11-03 05:45:10,629 INFO L180 QuantifierPusher]: treesize reduction 20, result has 98.6 percent of original size [2021-11-03 05:45:10,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:45:10,638 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:10,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:45:10,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1333 [2021-11-03 05:45:10,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:10,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:10,671 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:45:10,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:10,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:10,673 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:10,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:10,699 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:10,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:10,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:45:10,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:10,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:10,722 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:10,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:10,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:10,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:10,753 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:45:10,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:10,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:10,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:10,755 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:10,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:10,771 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,179 INFO L354 Elim1Store]: treesize reduction 85, result has 55.5 percent of original size [2021-11-03 05:45:11,179 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 5 case distinctions, treesize of input 232 treesize of output 209 [2021-11-03 05:45:11,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:45:11,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:45:11,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-03 05:45:11,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 05:45:11,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-03 05:45:11,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 05:45:11,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:45:11,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-03 05:45:11,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 05:45:11,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 431 [2021-11-03 05:45:11,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-11-03 05:45:11,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 05:45:11,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:45:11,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-03 05:45:11,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-03 05:45:11,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:45:11,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:45:11,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-03 05:45:11,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:45:11,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 05:45:11,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-03 05:45:11,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 05:45:11,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 05:45:11,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:45:11,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-11-03 05:45:11,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-03 05:45:11,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,284 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:45:11,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:45:11,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-03 05:45:11,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 05:45:11,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-03 05:45:11,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 05:45:11,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 05:45:11,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:45:11,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:45:11,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-03 05:45:11,313 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 05:45:11,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-03 05:45:11,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:45:11,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-03 05:45:11,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:45:11,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 05:45:11,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 05:45:11,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-03 05:45:11,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-03 05:45:11,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 289 [2021-11-03 05:45:11,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-03 05:45:11,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 400 [2021-11-03 05:45:11,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-03 05:45:11,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 620 [2021-11-03 05:45:11,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-03 05:45:11,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 254 [2021-11-03 05:45:11,434 INFO L180 QuantifierPusher]: treesize reduction 51, result has 96.4 percent of original size [2021-11-03 05:45:11,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:45:11,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:45:11,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:45:11,452 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:45:11,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:45:11,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:11,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:45:11,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1567 [2021-11-03 05:45:11,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:11,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:11,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:45:11,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:11,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:11,495 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:11,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:11,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:11,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:11,549 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:45:11,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:11,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:11,551 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:11,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:11,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:11,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:45:11,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:45:11,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:11,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:11,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:45:11,589 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:45:11,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:45:11,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,080 INFO L354 Elim1Store]: treesize reduction 85, result has 55.5 percent of original size [2021-11-03 05:45:12,080 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 5 case distinctions, treesize of input 232 treesize of output 209 [2021-11-03 05:45:12,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:45:12,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:45:12,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 05:45:12,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:45:12,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-11-03 05:45:12,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-11-03 05:45:12,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 05:45:12,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-03 05:45:12,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 05:45:12,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-11-03 05:45:12,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-11-03 05:45:12,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:45:12,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 217 [2021-11-03 05:45:12,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 05:45:12,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:45:12,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:45:12,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 05:45:12,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:45:12,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 263 [2021-11-03 05:45:12,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-11-03 05:45:12,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:45:12,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:45:12,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 05:45:12,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:45:12,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 364 [2021-11-03 05:45:12,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:12,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:12,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-03 05:45:12,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 254 [2021-11-03 05:45:37,291 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-03 05:45:37,292 FATAL L? ?]: Ignoring exception! de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.checkSatTerm(SmtUtils.java:247) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.implies(SymbolicTools.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.RelationCheckUtil.isSubsetEq_SolverAlphaSolver(RelationCheckUtil.java:76) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.ExplicitValueDomain.isSubsetEq(ExplicitValueDomain.java:78) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.CompoundDomain.isSubsetEq(CompoundDomain.java:101) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StatsWrapperDomain.isSubsetEq(StatsWrapperDomain.java:78) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:129) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) ... 48 more [2021-11-03 05:45:37,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:45:37,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-03 05:45:37,295 ERROR L172 FreeRefinementEngine]: Strategy SIFA_TAIPAN failed to provide any proof altough trace is infeasible [2021-11-03 05:45:37,295 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-11-03 05:45:37,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-11-03 05:45:37,300 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 05:45:37,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:45:37,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:45:37,504 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-03 05:45:37,506 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 05:45:37,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:45:37 BoogieIcfgContainer [2021-11-03 05:45:37,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 05:45:37,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 05:45:37,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 05:45:37,528 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 05:45:37,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:44:04" (3/4) ... [2021-11-03 05:45:37,532 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-03 05:45:37,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 05:45:37,532 INFO L168 Benchmark]: Toolchain (without parser) took 94364.85 ms. Allocated memory was 100.7 MB in the beginning and 186.6 MB in the end (delta: 86.0 MB). Free memory was 62.0 MB in the beginning and 137.7 MB in the end (delta: -75.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-11-03 05:45:37,533 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 100.7 MB. Free memory is still 78.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:45:37,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.84 ms. Allocated memory is still 100.7 MB. Free memory was 61.7 MB in the beginning and 69.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 05:45:37,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.59 ms. Allocated memory is still 100.7 MB. Free memory was 69.3 MB in the beginning and 67.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:45:37,533 INFO L168 Benchmark]: Boogie Preprocessor took 25.64 ms. Allocated memory is still 100.7 MB. Free memory was 67.5 MB in the beginning and 66.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:45:37,533 INFO L168 Benchmark]: RCFGBuilder took 501.69 ms. Allocated memory is still 100.7 MB. Free memory was 66.2 MB in the beginning and 47.8 MB in the end (delta: 18.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-11-03 05:45:37,534 INFO L168 Benchmark]: TraceAbstraction took 93518.52 ms. Allocated memory was 100.7 MB in the beginning and 186.6 MB in the end (delta: 86.0 MB). Free memory was 47.4 MB in the beginning and 137.7 MB in the end (delta: -90.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:45:37,534 INFO L168 Benchmark]: Witness Printer took 4.10 ms. Allocated memory is still 186.6 MB. Free memory is still 137.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:45:37,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 100.7 MB. Free memory is still 78.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 270.84 ms. Allocated memory is still 100.7 MB. Free memory was 61.7 MB in the beginning and 69.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.59 ms. Allocated memory is still 100.7 MB. Free memory was 69.3 MB in the beginning and 67.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.64 ms. Allocated memory is still 100.7 MB. Free memory was 67.5 MB in the beginning and 66.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 501.69 ms. Allocated memory is still 100.7 MB. Free memory was 66.2 MB in the beginning and 47.8 MB in the end (delta: 18.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 93518.52 ms. Allocated memory was 100.7 MB in the beginning and 186.6 MB in the end (delta: 86.0 MB). Free memory was 47.4 MB in the beginning and 137.7 MB in the end (delta: -90.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.10 ms. Allocated memory is still 186.6 MB. Free memory is still 137.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 33]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L37] signed long long ARR_SIZE ; [L46] ARR_SIZE = (signed long long)__VERIFIER_nondet_short() [L31] COND TRUE !cond [L49] int array1[ARR_SIZE] ; [L50] int array2[ARR_SIZE] ; [L51] int count = 0, num = -1 ; [L52] signed long long sum1 = 0, sum2 = 0 ; [L53] int temp ; [L54] short index ; [L56] count=0 [L56] COND TRUE count main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c9f77a5f5cfb41429e6b2e557580f5f8a855ca718c241fb5a07541ef3b21ab2 [2021-11-03 05:45:40,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:45:40,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:45:40,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:45:40,332 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:45:40,333 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:45:40,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/array-patterns/array3_pattern.c [2021-11-03 05:45:40,414 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/data/7a34a19a0/e438f0e9892b490b829984d27de1ecd1/FLAG809ca72c1 [2021-11-03 05:45:41,006 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:45:41,007 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/sv-benchmarks/c/array-patterns/array3_pattern.c [2021-11-03 05:45:41,017 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/data/7a34a19a0/e438f0e9892b490b829984d27de1ecd1/FLAG809ca72c1 [2021-11-03 05:45:41,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/data/7a34a19a0/e438f0e9892b490b829984d27de1ecd1 [2021-11-03 05:45:41,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:45:41,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:45:41,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:45:41,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:45:41,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:45:41,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:45:41" (1/1) ... [2021-11-03 05:45:41,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c180fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41, skipping insertion in model container [2021-11-03 05:45:41,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:45:41" (1/1) ... [2021-11-03 05:45:41,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:45:41,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:45:41,538 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_03fe81a9-8d99-4bbb-a151-7794b956de6d/sv-benchmarks/c/array-patterns/array3_pattern.c[1393,1406] [2021-11-03 05:45:41,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:45:41,597 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:45:41,620 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_03fe81a9-8d99-4bbb-a151-7794b956de6d/sv-benchmarks/c/array-patterns/array3_pattern.c[1393,1406] [2021-11-03 05:45:41,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:45:41,701 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:45:41,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41 WrapperNode [2021-11-03 05:45:41,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:45:41,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:45:41,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:45:41,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:45:41,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41" (1/1) ... [2021-11-03 05:45:41,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41" (1/1) ... [2021-11-03 05:45:41,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:45:41,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:45:41,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:45:41,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:45:41,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41" (1/1) ... [2021-11-03 05:45:41,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41" (1/1) ... [2021-11-03 05:45:41,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41" (1/1) ... [2021-11-03 05:45:41,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41" (1/1) ... [2021-11-03 05:45:41,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41" (1/1) ... [2021-11-03 05:45:41,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41" (1/1) ... [2021-11-03 05:45:41,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41" (1/1) ... [2021-11-03 05:45:41,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:45:41,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:45:41,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:45:41,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:45:41,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41" (1/1) ... [2021-11-03 05:45:41,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:45:41,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:45:41,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:45:41,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:45:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:45:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:45:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 05:45:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:45:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:45:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:45:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 05:45:42,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:45:42,413 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-03 05:45:42,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:45:42 BoogieIcfgContainer [2021-11-03 05:45:42,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:45:42,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:45:42,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:45:42,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:45:42,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:45:41" (1/3) ... [2021-11-03 05:45:42,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb53b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:45:42, skipping insertion in model container [2021-11-03 05:45:42,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:45:41" (2/3) ... [2021-11-03 05:45:42,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb53b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:45:42, skipping insertion in model container [2021-11-03 05:45:42,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:45:42" (3/3) ... [2021-11-03 05:45:42,426 INFO L111 eAbstractionObserver]: Analyzing ICFG array3_pattern.c [2021-11-03 05:45:42,432 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:45:42,432 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:45:42,507 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:45:42,517 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:45:42,518 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:45:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 05:45:42,551 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:42,552 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:45:42,553 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:45:42,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:42,559 INFO L85 PathProgramCache]: Analyzing trace with hash 555627326, now seen corresponding path program 1 times [2021-11-03 05:45:42,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:45:42,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120165211] [2021-11-03 05:45:42,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:42,575 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:45:42,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:45:42,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:45:42,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:45:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:42,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 05:45:42,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:45:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:45:42,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:45:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:45:42,832 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:45:42,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1120165211] [2021-11-03 05:45:42,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1120165211] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:45:42,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:45:42,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 05:45:42,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813095955] [2021-11-03 05:45:42,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 05:45:42,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:45:42,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 05:45:42,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:45:42,867 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:42,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:45:42,884 INFO L93 Difference]: Finished difference Result 43 states and 60 transitions. [2021-11-03 05:45:42,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 05:45:42,885 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) Word has length 11 [2021-11-03 05:45:42,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:45:42,894 INFO L225 Difference]: With dead ends: 43 [2021-11-03 05:45:42,894 INFO L226 Difference]: Without dead ends: 19 [2021-11-03 05:45:42,897 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:45:42,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-03 05:45:42,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-03 05:45:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-11-03 05:45:42,927 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 11 [2021-11-03 05:45:42,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:45:42,928 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-11-03 05:45:42,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:42,929 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-03 05:45:42,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-03 05:45:42,930 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:42,930 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:45:42,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:45:43,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:45:43,131 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:45:43,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:43,132 INFO L85 PathProgramCache]: Analyzing trace with hash 2030848362, now seen corresponding path program 1 times [2021-11-03 05:45:43,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:45:43,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493972853] [2021-11-03 05:45:43,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:43,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:45:43,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:45:43,143 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:45:43,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:45:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:43,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:45:43,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:45:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:45:43,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:45:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:45:43,600 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:45:43,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493972853] [2021-11-03 05:45:43,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493972853] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:45:43,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:45:43,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 05:45:43,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15207788] [2021-11-03 05:45:43,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:45:43,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:45:43,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:45:43,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:45:43,606 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:43,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:45:43,703 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2021-11-03 05:45:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:45:43,703 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-03 05:45:43,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:45:43,704 INFO L225 Difference]: With dead ends: 25 [2021-11-03 05:45:43,704 INFO L226 Difference]: Without dead ends: 21 [2021-11-03 05:45:43,705 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:45:43,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-03 05:45:43,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-11-03 05:45:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-11-03 05:45:43,710 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 14 [2021-11-03 05:45:43,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:45:43,711 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-11-03 05:45:43,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:43,712 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-11-03 05:45:43,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 05:45:43,712 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:43,713 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:45:43,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:45:43,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:45:43,914 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:45:43,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:43,915 INFO L85 PathProgramCache]: Analyzing trace with hash 912535278, now seen corresponding path program 1 times [2021-11-03 05:45:43,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:45:43,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563244878] [2021-11-03 05:45:43,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:43,916 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:45:43,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:45:43,917 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:45:43,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:45:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:44,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 05:45:44,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:45:44,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 05:45:44,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:45:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 05:45:44,735 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:45:44,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563244878] [2021-11-03 05:45:44,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [563244878] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:45:44,736 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:45:44,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 05:45:44,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862068135] [2021-11-03 05:45:44,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 05:45:44,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:45:44,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 05:45:44,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-03 05:45:44,747 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:45,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:45:45,342 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2021-11-03 05:45:45,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 05:45:45,344 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-03 05:45:45,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:45:45,344 INFO L225 Difference]: With dead ends: 40 [2021-11-03 05:45:45,345 INFO L226 Difference]: Without dead ends: 26 [2021-11-03 05:45:45,346 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:45:45,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-03 05:45:45,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 21. [2021-11-03 05:45:45,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2021-11-03 05:45:45,352 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 18 [2021-11-03 05:45:45,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:45:45,352 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2021-11-03 05:45:45,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:45,353 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2021-11-03 05:45:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-03 05:45:45,354 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:45,354 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:45:45,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:45:45,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:45:45,570 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:45:45,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:45,570 INFO L85 PathProgramCache]: Analyzing trace with hash -141649840, now seen corresponding path program 1 times [2021-11-03 05:45:45,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:45:45,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615193233] [2021-11-03 05:45:45,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:45,571 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:45:45,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:45:45,574 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:45:45,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fe81a9-8d99-4bbb-a151-7794b956de6d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 05:45:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:45,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-03 05:45:45,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:45:46,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-11-03 05:45:46,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2021-11-03 05:45:47,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:45:47,385 INFO L354 Elim1Store]: treesize reduction 116, result has 5.7 percent of original size [2021-11-03 05:45:47,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 129 treesize of output 69 [2021-11-03 05:45:52,293 INFO L354 Elim1Store]: treesize reduction 90, result has 7.2 percent of original size [2021-11-03 05:45:52,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 52 [2021-11-03 05:45:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:45:57,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:50:27,086 WARN L207 SmtUtils]: Spent 3.72 m on a formula simplification. DAG size of input: 151 DAG size of output: 123 [2021-11-03 05:50:27,088 INFO L354 Elim1Store]: treesize reduction 487, result has 62.0 percent of original size [2021-11-03 05:50:27,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 555341 treesize of output 212360 [2021-11-03 05:50:30,900 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:50:30,901 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 213090 treesize of output 206938 [2021-11-03 05:50:33,913 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:50:33,915 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 206938 treesize of output 204878